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     3  +4 2014 jul 19cron job sshSome notes on logging and SSH access from cron jobsIn the process of making the semi-official CPython mirror on Github auto-update, I ventured into cron -land; it's a land I've hardly been to before, ...
     4  -2 2014 sep 17gcc buildBuilding gcc 4.8 from source on Ubunu 12.04 - Eli Bendersky's websiteThe default gcc (4.6.x) on Ubuntu 12.04 is quite old, especially given the quick advance in C++11 capabilities in gcc 4.7 and 4.8 (and, ...
     4  +1 2014 aug 26python type classPython objects, types , classes , and instances – a glossarySpecifically, I want to define what I mean by types , objects, classes and instances . Note that this refers to Python 3.x, but is mostly applicable for ...
     4  -1 2014 jul 30html cache softwareImplementing a software cache - Eli Bendersky's websiteThis cache is a hardware cache , deep below in the hierarchy of computer architecture / hardware / software . It is completely transparent to us, the simple PC ... ‎Introduction - ‎Software vs. Hardware cache - ‎Basic requirements and definitions
     4  +3 2014 jul 19ssh cron job
     5  +3 2014 sep 24django sessionDjango sessions - part II: How sessions work - Eli Bendersky's websiteSessions are Django's high-level tool for keeping a persistent state for users on the server. Sessions allow to store arbitrary data per visitor, and ...
     5  ~ 2014 sep 17c write viewiepluginPlugins in C - Eli Bendersky's websiteBut see , Python has the unfortunate (?) ... To really show the guts of a plugin infrastructure, we'll switch to C . ... The type PluginInitFunc is:.
     5  +6 2014 sep 02wordpress math equationPosting mathematical formulae in a Wordpress blogIn the “simple” spectrum you can find an interface to PhpMathPublisher . But when it comes to mathematical equations , you can hardly compete ...
     5  ~ 2014 aug 31python ad managerDistributed computing in Python with multiprocessingManagers allow their synchronized objects to be used between processes running across a network, and not just on the same machine. This is ...
     5  +1 2014 aug 25python xml exampleEli Bendersky's website » Processing XML in Python with ElementTreeWhen it comes to parsing and manipulating XML , Python lives true to its " batteries ... The following examples will demonstrate the main uses [5].
     5  +2 2014 jul 19canvas mouse positionsFinding out the mouse click position on a canvas with JavascriptI'm playing around with the HTML5 < canvas > element. One interesting thing to do is interact with the canvas using the mouse . First we attach ...
     5  +1 2014 jul 18install python ubuntuEli Bendersky's website » Installing Python 2.7 on UbuntuThis week I upgraded the main installation of Python on my Ubuntu 10.04 machines to version 2.7. Here's a short documentation of this process ...
     6  ~ 2014 aug 16python parse xmlWhen it comes to parsing and manipulating XML , Python lives true to its " batteries included" motto. Looking at the sheer amount of modules ...
     6  +2 2014 aug 12multi line string javascriptJavaScript (ES 5) hack for clean multi - line strings - Eli Bendersky's JavaScript lacks convenient syntax for multiline strings (the equivalent of Python's triple-quotes or Perl's "here blocks"), unless you consider this ...
     7  -2 2014 sep 28python xmlProcessing XML in Python with ElementTree - Eli Bendersky's website
     7  +5 2014 sep 28html5 canvas onclickFinding out the mouse click position on a canvas with Javascript - Eli I'm playing around with the HTML5 < canvas > element. One interesting thing to do is interact with the canvas using the mouse. First we attach ...
     7  ~ 2014 sep 06django get session idDjango can recover it from the DB by using the session ID the user's ... How does the session information even get there, and how can the view ...
     7  -1 2014 aug 01triple your reading speedBook review: “ Triple your reading speed ” by Wade CutlerOne of these books is “ Triple your reading speed ” by Wade Cutler. I finished reading it a couple of weeks ago and waited with the review to ...
     7  -1 2014 jul 17api design for cEli Bendersky's website » pthreads as a case study of good API designHowever, as some APIs (amongst them pthreads) clearly demonstrate, designing a good C API is possible, if you follow a few rules.
     8  -3 2014 sep 28successful lispSuccessful Lisp - Eli Bendersky's websiteCommon Lisp is a big language. Very big. If you think that C++ has a large standard library, consider Common Lisp's 900+ standard ...
     8  +4 2014 sep 23add cronjob via sshSome notes on logging and SSH access from cron jobs - Eli The basic stuff: crontab -e to edit your crontab , crontab -l to dump it to stdout. ... kind of environment cron has when it runs your jobs is to add this rule: ... to go about this, but I found this walkthrough using keychain effective.
     8  +10 2014 aug 08multi processing and examplesIn the previous post, I discussed how the multiprocessing package can be ... available without using managers (for example Value and Lock).
     8  -2 2014 jul 27javascript multiple line string
     9  -2 2014 sep 08lisp parenthesisThe parentheses of Lisp - Eli Bendersky's websiteA couple of days ago a typical post appeared in the comp.lang. lisp newsgroup. In his post, titled " Lisp and Scheme with fewer parentheses ", the ...
     10  +1 2014 aug 30carlos ruiz zafon marinaEli Bendersky's website » Book review: “ Marina ” by Carlos Ruiz ZafónBook review: “ Marina ” by Carlos Ruiz Zafón . March 25th, 2010 at 7:39 pm. (Read in Spanish). It happens often that after some book by an author becomes very ...
     10  ~ 2014 aug 20dreaming in codeBook review: “ Dreaming in code ” by Scott RosenbergBook review: “ Dreaming in code ” by Scott Rosenberg. April 22nd, 2009 at 5:36 pm. Secondary title: “Two dozen programmers, three years, 4732 bugs, and one  ...
     10  -2 2014 aug 07fast exponentiation algorithmEli Bendersky's website » Efficient modular exponentiation algorithmsEfficient modular exponentiation algorithms . March 28th, 2009 at ... My tests show it's anywhere from twice to 10 times as fast . Why is pow so ...
     10  -1 2014 jul 24modern c designEli Bendersky's website » “ Modern C ++” scares meAs I skim through Alexandrescu's “ Modern C++ design ”, I experience a mixture of fun and terror. The book is considered one of (if not the) most ...
     10  -4 2014 jul 23intermittent dns failure resolvedEli Bendersky's website » Fixing intermittent DNS problems on I've been having some intermittent DNS resolution failures on my recent installation of Ubuntu 12.04. Googling showed that I'm not the only one ...
     11  +4 2014 aug 11c array of pointersEli Bendersky's website » Pointers to arrays in CPointers are a great source of confusion in C – newbies have a hard time grasping them. But coupled with arrays , some of the semantics of ...
     11  +4 2014 jul 18the third chimpanzeeBook review: “ The Third Chimpanzee ” by Jared DiamondJared Diamond is well known through is later, Pulitzer prize winning “Guns Germs and Steel” (GG&S). “ The Third Chimpanzee ” is an earlier ...
     12  +17 2014 sep 30s expressionSome thoughts on JSON vs. S - expressions - Eli Bendersky's websiteHowever, some developers aim to take the simplicity advantage of JSON over XML further and propose using S - expressions instead. There are ...
     12  +75 2014 aug 23main problems of relocationPosition Independent Code (PIC) in shared librariesThere are two main approaches to solve this problem in Linux ELF shared ... Load-time relocation has a couple of problems : it takes time to ...
     12  -2 2014 jul 24manage website with djangoEli Bendersky's website » Clearing the database with Django In a previous post, I presented a method of loading initial data into a Django database by using a custom management command.
     13  +1 2014 aug 31yaml to jsonEli Bendersky's website » JSON is YAML , but YAML is not JSONThere's some talk on the net about how JSON can be parsed by YAML parsers. However, that still doesn't quite make JSON as suitable as ...
     13  -3 2014 aug 27python game programming tutorialEli Bendersky's website » Pygame tutorial13.02.2009: Writing a game in Python with Pygame. Part IV. 09.01.2009: Writing a game in
     13  +65 2014 aug 17random number in pythonEli Bendersky's website » Weighted random generation in PythonThe weights need not sum up to anything in particular, and can actually be arbitrary Python floating point numbers . import random def ...
     13  +42 2014 aug 13python random number
     13  +9 2014 aug 03math plugin wordpress(Update 11.07.2009: I've switched to another plugin , but the rest of ... When your blog often deals with technical matters, and especially math , ...
     13  +1 2014 jul 22intermittent dns failure
     14  +7 2014 sep 19lisp defmacroCommon Lisp vs. Scheme macros - Eli Bendersky's websiteSeptember 16, 2007 at 19:59 Tags Lisp ... While defmacro is pure CL code with the difference that it gets executed at compile-time, Scheme's syntax-rules is a ...
     14  +40 2014 aug 21error in cEli Bendersky's website » Using goto for error handling in CAs difficult as error handling is, coupled with resource allocation and the need for .... 30 Responses to “Using goto for error handling in C ”.
     14  -3 2014 jul 16kindle vs booksEli Bendersky's website » Reading on a Kindle vs . a paper bookNote: " Kindle " here can be probably replaced with any good electronic book reader. I only happen to own a Kindle , so my personal opinion is ...
     15  -2 2014 sep 09gcc configureThe default gcc (4.6.x) on Ubuntu 12.04 is quite old, especially given the quick ... configure --disable-checking --enable-languages=c,c++ ...
     15  +15 2014 aug 16search inside websiteAnnouncing pss: a tool for searching inside source codeAnnouncing pss: a tool for searching inside source code .... import main; main() File "/Library/Python/2.6/ site -packages/psslib/pss.py", line 95, ...
     16  -2 2014 sep 18i vs d in cPointers vs . arrays in C , part 2( D ) - Eli Bendersky's websiteA few months ago I've written an article about the (lack of) equivalence between pointers and arrays in C . Here I want to tell about a related ...
     16  +1 2014 sep 16django authDjango sessions - part III: User authentication - Eli Bendersky's Specifically, Django's user authentication system relies on the session framework to do its job. The user authentication system allows users to ...
     16  -4 2014 aug 31protocol buffers pythonEli Bendersky's website » Length-prefix framing for protocol buffersI personally find Google's protocol buffers library ( protobuf ) extremely ... I will now present some Python code that implements this protocol.
     16  ~ 2014 aug 26multithreading in pythonPython – parallelizing CPU-bound tasks with multiprocessingIn a previous post on Python threads, I briefly mentioned that .... a while in multi- threading , especially with high-level-languages like Python .
     16  +14 2014 aug 01philosophy who needs itBook review: “ Philosophy: Who Needs It ” by Ayn Rand“ Philosophy: Who Needs It ” (PWNI) is another collection of articles by Ayn Rand, mainly from the 60s and the early 70s. Most of the articles here ...
     17  +5 2014 sep 27python global variableUnderstanding UnboundLocalError in Python - Eli Bendersky's Doesn't help - another error is generated: NameError : global name 'x' is not defined. Python is right here - after all, there's no global variable  ...
     17  -10 2014 sep 19python typeofPython objects, types, classes, and instances - a glossary - Eli While writing the article on the internals of Python callables, ... The type is an object too, so it has a type of its own, which is called type. This last ...
     17  +84 2014 sep 19list of popular words jsonSome thoughts on JSON vs. S-expressions - Eli Bendersky's websiteConsider the following JSON string that defines a nested list with pairs of fruit names and numbers: '[["oranges", 2] ... In other words , I want the JSON : ... But the "S-expression" representation [1] of Common Lisp hash tables is:.
     17  +3 2014 sep 11django users
     17  +10 2014 sep 07django user
     17  +7 2014 sep 07programming website project eulerEli Bendersky's website » Project Euler19.06.2009: Project Euler problem 83 – how creeps can help. 19.06.2009: Project ... 02.03.2009: Posting Project Euler solutions in my blog. 01.03.2009: Project ...
     17  ~ 2014 aug 30django inspect dbDjango sessions – part II: How sessions work - Eli Bendersky's websiteSessions are Django's high-level tool for keeping a persistent state for ... Django can recover it from the DB by using the session ID the user's ...
     17  +1 2014 aug 14the practice of programmingBook review: “ The Practice of Programming ” by Kernighan & PikeTPOP is a typical “how to be a good programmer ” book, somewhat similar to Code Complete, with a little bit of Programming Pearls mixed in.
     17  +2 2014 aug 09python parallel processingIn a previous post on Python threads, I briefly mentioned that threads are ..... I googled the words ” Python and parallel processing ” and I ...
     17  -3 2014 jul 22feeling good bookEli Bendersky's website » Book review: “ Feeling good ” by David BurnsBook review: “ Feeling good ” by David Burns. February 6th, 2005 at 9:50 pm. The first thing I understood after reading this book for some time is that I don't have ...
     18  +3 2014 aug 29c pic laiberiesPosition Independent Code ( PIC ) in shared librariesPosition Independent Code ( PIC ) in shared libraries .... Breakpoint 1, ml_func (a= 1, b=1) at ml_reloc_dataonly. c :5 5 return myglob + a + b; (gdb) ...
     18  +33 2014 aug 16best reactor lib pythonCode sample – socket client based on Twisted with PyQtTwisted is a huge library , and it's quite a job to learn how to use it .... Even though Twisted's reactor is a global singleton object, it's good  ...
     19  ~ 2014 aug 01rent a coder reviewEli Bendersky's website » More about my RentACoder experimentAs I wrote here, I decided to do some work via RentACoder (RAC), mainly ... Spending my RentACoder earned money on Books · Book review : ...
     20  -9 2014 aug 24django database for applicationClearing the database with Django commands ... In a simple blog-like application with "post" and "tag" models, it may return something like:.
     20  -7 2014 aug 23django database aplication
     21  -13 2014 oct 01template for membersC++ template syntax patterns - Eli Bendersky's websiteI've used templates in my C++ code, but never in a very "hard-core" way. I don't think I ever used partial specialization or template members , ...
     21  +12 2014 sep 22intel z86Where the top of the stack is on x86 - Eli Bendersky's websiteIntel's x86 architecture places its stack "head down". ... So when we say "top of the stack" on x86, we actually mean the lowest address in the ...
     21  -7 2014 sep 02symbol table used forEli Bendersky's website » Python internals: Symbol tables , part 1In computer science, a symbol table is a data structure used by a language translator such as a compiler or interpreter, where each identifier in ...
     21  -8 2014 aug 26django database application
     21  -7 2014 aug 09on error gotoAs difficult as error handling is, coupled with resource allocation and the .... A goto in your simple examples might look good; a goto on the more ...
     21  +60 2014 aug 02c multidimensional arrayEli Bendersky's website » Allocating multi-dimensional arrays in C++Updated on 04.06.2010. Allocating multi-dimensional arrays in C++ (and C ) is not a trivial task for newbies, and many find it difficult.
     21  -3 2014 jul 30django login formEli Bendersky's website » Django sessions – part III: User Specifically, Django's user authentication system relies on the session ... The login form sends a POST request to the server, with my login ...
     22  +14 2014 sep 28ruby toplevel constant entryUnderstanding Ruby blocks, Procs and methods - Eli Bendersky's Ruby provides the programmer with a set of very powerful features
     22  -1 2014 aug 28website files spacesOn spaces in the paths of programs and files on WindowsToday while debugging the build of Python 3.2 with Visual Studio, I ran into a caveat with invoking programs on Windows from directories with ...
     22  +14 2014 aug 27the dragons of edenEli Bendersky's website » Book review: “ Dragons of Eden ” by Carl When Sagan takes on himself the task to explain to the lame reader how our brain works, the result is “ Dragons of Eden ” – an exciting tale of ...
     22  -14 2014 aug 24clang developer documentationEli Bendersky's website » AST matchers and Clang refactoring toolsFor example, some time ago the Clang tooling developers figured out ... a bit of documentation and header files to figure out which methods to ...
     22  -7 2014 aug 24embedded hardware bookBook review: “Designing embedded hardware ” by John CatsoulisThis book aims at a very wide domain – embedded hardware /software. While most of the books out there on the market are concerned with ...
     22  +14 2014 aug 16exception in dustructorEli Bendersky's website » Safely using destructors in PythonSo Python has the destructor concept – the __del__ method. ... properly closed when the block inside with exits, even if exceptions are thrown.
     22  +14 2014 aug 07bluehost script installerEli Bendersky's website » Installing Python 2.5 on BluehostBluehost is my hosting provider for it (I'm installing version 2.5.2 in this example).
     22  -8 2014 jul 29joseph murphy subconsciousBook review: “The power of your subconscious mind” by Murphy(The author's name is Joseph Murphy … when will use.perl allow longer titles ?!) I decided to see what people other than Carnegie have to say ...
     22  +7 2014 jul 27python file sizeEli Bendersky's website » AES encryption of files in Python with Since it might have to pad the file to fit into a multiple of 16, the function saves the original file size in the first 8 bytes of the output file (more ...
     23  -4 2014 oct 05auto generation of sentencesGenerating random sentences from a context free grammar - Eli Sometimes it's interesting to randomly generate a large amount of valid sentences from a context free grammar. The best use for this is ...
     23  +43 2014 sep 28eulers projectProject Euler problem 12 - Eli Bendersky's website[latexpage] I've got hooked to Project Euler this week, after hearing good stuff about it for a long time. I've already solved the first 16 problems, ...
     23  +4 2014 aug 05python c bindingsEli Bendersky's website » Parsing C++ in Python with ClangPeople that need to parse and analyze C code in Python are usually really ... For the Python bindings , there is absolutely no documentation as ...
     24  +1 2014 sep 12turbogearsPorting from Turbogears to Django - Eli Bendersky's websiteIntroduction. About a year ago, I taught myself Turbogears (version 1.0.7 at the time) in order to write a small personal web-application for my ...
     24  ~ 2014 sep 05describe websiteEli Bendersky's website » Using ASDL to describe ASTs in compilersIf you've written a few parsers, you almost definitely ran into the need to describe the result of the parsing in terms of an AST. While the kinds of ...
     24  +3 2014 jul 30joseph murphy subconscious mindBook review: “The power of your subconscious mind ” by MurphyJoseph Murphy undertakes the task to explain what our subconscious mind is, and how we can use it to help us solve various problems in our ...
     24  -8 2014 jul 24github for mercurialSwitching my open-source projects from Bitbucket to GithubI'm switching my public open-source projects from Bitbucket to Github , and in the process also from Mercurial to git. But the switch has little to ...
     25  -8 2014 sep 26boost asioBoost . Asio with Protocol Buffers code sample - Eli Bendersky's websiteRecently I implemented in C++ a mini-project in order to get acquainted with both the networking library Boost . Asio and the serialization library ...
     25  +37 2014 sep 17clangAST matchers and Clang refactoring tools - Eli Bendersky's websiteClang tooling sees lots of interest and development focus in the past few years. At last, we have a convenient, accurate, open-source and well ...
     25  +32 2014 sep 17c dllExporting C++ classes from a DLL - Eli Bendersky's websiteBecause of ABI incompatibilities between compilers and even different versions of the same compiler, exporting C++ classes from DLLs is a ...
     25  +1 2014 sep 03read later logoEli Bendersky's website » Read It Later – first application bought for After some looking around, I came upon Read It Later – which is a set of tools designed exactly for what I need. Read It Later logo . Read It Later  ...
     25  ~ 2014 aug 03required r valuesEli Bendersky's website » Understanding lvalues and rvalues in C test.c: In function 'main': test.c:8:5: error: lvalue required as left operand ... rvalues are defined by exclusion, by saying that every expression is ...
     25  +41 2014 jul 29war and peace tolstoyBook review: “ War and peace ” by Leo Tolstoy - Eli Bendersky's Book review: “ War and peace ” by Leo Tolstoy . January 20th, 2008 at 7:21 pm. This is the second time I've read this book. The first was a copy I borrowed a few ...
     25  ~ 2014 jul 18independent content librariesPosition Independent Code (PIC) in shared libraries . November 3rd, 2011 at ...
     25  +29 2014 jul 17arrays in cEli Bendersky's website » Are pointers and arrays equivalent in C ?The semantics of arrays in C dictate that the array name is the address of the first element of the array. Hence in the assignment to a, the 8th ...
     26  -2 2014 oct 04search directory source codeAnnouncing pss: a tool for searching inside source code - Eli What tool(s) do you use when you need to quickly search through a set of directories recursively, focusing only on C++ source code files (.cpp, ...
     26  +4 2014 sep 03bluehost live chatEli Bendersky's website » Bluehost – I'm watching youI contacted Bluehost's live chat ; the support person was nice but he couldn't help besides verifying that the server is down and that it usually ...
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