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• Does Blogging affect Job Prospects?

  - by BM

  Would a hiring manager at a small-to-medium consulting firm/corporation consider active blogging by a candidate about Programming/software/technology as a positive? Should the candidate disclose this information during the interviews or put it on the resume? Thanks for the answers, So far the views about this topic has been.. Don't mention the blog if it is not relevant to the job. Mention the blog, if you believe your blog has quality content. Potential risk of not being accepted by culture of the employer's workplace. Could be a valuable for consultants to publish & preview their skills and experience. Certain Employers may consider blogging of a candidate a plus. Be careful what you post on the blog,no badmouthing,rants and overt criticism of others. Do not lie about blogging,if directly asked during the interview.

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• Where do I find a good explanation of Javascript-ese

  - by tzenes

  I realize that title may require explanation. The language I first learned was C, and it shows in all my programs... even those not written in C. For example, when I first learned F# I wrote my F# programs like C programs. It wasn't until someone explained the pipe operator and mapping with anonymous functions that I started to understand the F#-ese, how to write F# like a F# programmer and not a C programmer. Now I've written a little javascript, mostly basic stuff using jquery, but I was hoping there was a good resource where I could learn to write javascript programs like a javascript programmer.

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• Where is a good place for a code review?

  - by Carlos Nunez

  Hi, all! A few colleagues and I created a simple packet capturing application based on libpcap, GTK+ and sqlite as a project for a Networks Engineering course at our university. While it (mostly) works, I am trying to improve my programming skills and would appreciate it if members of the community could look at what we've put together. Is this a good place to ask for such a review? If not, what are good sites I can throw this question up on? The source code is hosted by Google Code (http://code.google.com/p/nbfm-sniffer) and an executable is available for download (Windows only, though it does compile on Linux and should compile on OS X Leopard as well provided one has gtk+ SDK installed). Thanks, everyone! -Carlos Nunez

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• Documenting user scenarios and measuring/testing

  - by Rimian

  Please forgive me as I don't quite remember the exact terms for what I am talking about... hence my question. Recently I worked on a large Agile team where I encountered a method of defining user scenarios (much like user stories). These scenarios were a few very basic short sentences with keywords and a structure that could be understood by humans (especially project managers) and could also be coded against using some Java Framework (for verifying tests). The exact structure of this mini language used keywords like "when" and "and" or "if" which was how the framework parsed and verified the result. The purpose of this framework was to interface between management and the acceptance testing framework. So essentially management could write the tests themselves using English. The scenario went something like this: "When a user visits URL and User clicks on X Something happens (that can be measured)" Can anyone help me remember exactly what I am talking about? Many thanks

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• Best practices for combining Lucene.NET and a relational database?

  - by FlySwat

  I'm working on a project where I will have a LOT of data, and it will be searchable by several forms that are very efficiently expressed as SQL Queries, but it also needs to be searched via natural language processing. My plan is to build an index using Lucene for this form of search. My question is that if I do this, and perform a search, Lucene will then return the ID's of matching documents in the index, I then have to lookup these entities from the relational database. This could be done in two ways (That I can think of so far): N amount of queries (Horrible) Pass all the ID's to a stored procedure at once (Perhaps as a comma delimited parameter). This has the downside of being limited to the max parameter size, and the slow performance of a UDF to split the string into a temporary table. I'm almost tempted to mirror everything into lucenes index, so that I can periodicly generate the index from the backing store, but only need to access it for the frontend. Advice?

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• How to split a string by ',' or '[|]' unless the ',' is in '{}'

  - by floyddotnet

  i search for a regex to split the following string: aaa[bbb,ccc[ddd,{eee:1,mmm:999}],nnn[0,3]] aaa[bbb,ccc[ddd,{eee:1, mmm:[123,555]}],nnn[0,3]] aaa[bbb, ccc[ddd, ddd],nnn[0,3]] aaa[bbb,ddd[0,3]] by '[' or ']' or ',' unless the ',' is in '{}'. As example: split 'aaa[bbb,ccc[ddd,' to aaa, bbb, ccc, ddd is allow but not {eee:1,mmm:999}. the result: aaa, bbb, ccc, ddd, {eee:1,mmm:999}, nnn, 0, 3 aaa, bbb, ccc, ddd, {eee:1, mmm:[123,555]}], nnn, 0, 3 aaa, bbb, ccc, ddd, ddd, nnn, 0, 3 aaa, bbb, ddd, 0, 3 i have read meany other questions but i cant modifie the regex's there are post to do this what i want. the target language for the expression is javascript.

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• tabbar hides when calling a UIViewController

  - by user292049

  Hi.. I am barely new to IPhone Programming so can anyone please shed some light for my problem. Current SetUp: I have Tabbar Controller(4 TabbarItem's) When u click the secondtabbaritem - It calls second.xib which is of type UIViewController. My Requirement: I have a button inside the view. So when i click the button, it should load another UIViewController with the tabbar visible. Problem: I am able to do so, but the tabbar disappears, and i need to quit the application to start go back to the see the tabbar again. Pls help me Cheers Anand

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• How and where do we write try catch block to handle Exception

  - by Arpita

  We are using C# language to develope a Windows application. Our windows application consists of three layers (UI,Business and DataAccess layer). In Business Layer there are some public (business) methods through which UI communicates wilh Business layer classes. These public methods also have some private methods to implement the required functionality. There are some methods in DataAcess layer which are called from Business layer class. In this situatuion where should i wrte try-catch? a) In Business Layer Public methods b) In Busyness Layer Private methods c) In DataAccess Layer methods d) In UI methods from where Business methods are called.

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• Most mind-blowing C++ hack you've ever seen?

  - by sblom

  In the same spirit as the "Hidden features of X?" series, what are the most mind-blowingly well-executed "I didn't even think the language could do that!" hacks that you've ever seen in C++. For example, my recent favorite is an implementation of the "operator" --> for pre-C++0x lambdas. Another fantastic example is Multi-dimensional analog literals. (Note: this is a community wiki question to avoid the appearance of reputation-whoring.)

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• Why are getters prefixed with the word "get"?

  - by Joey

  Generally speaking, creating a fluid API is something that makes all programmers happy; Both for the creators who write the interface, and the consumers who program against it. Looking beyond conventions, why is it that we prefix all our getters with the word "get". Omitting it usually results in a more fluid, easy to read set of instructions, which ultimately leads to happiness (however small or passive). Consider this very simple example. (pseudo code) Conventional: person = new Person("Joey") person.getName().toLower().print() Alternative: person = new Person("Joey") person.name().toLower().print() Of course this only applies to languages where getters/setters are the norm, but is not directed at any specific language. Were these conventions developed around technical limitations (disambiguation), or simply through the pursuit of a more explicit, intentional feeling type of interface, or perhaps this is just a case of trickle a down norm. What are your thoughts? And how would simple changes to these conventions impact your happiness / daily attitudes towards your craft (however minimal). Thanks.

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• i18n with webpy

  - by translation..

  Hello, i Have a problem with i18n, using webpy. I have followed this : http://webpy.org/cookbook/i18n_support_in_template_file So, in my .wsgi there is : #i18n gettext.install('messages',I18N_PATH,unicode=True) gettext.translation('messages',I18N_PATH,languages=['fr_FR','en_US']).install(True) So i ran : pygettext.py -a -v -d messages -o i18n/messages.po controllers/*.py views/*.html I have copied and translated messages.po, I have also change the "content-type" and the "content-transfer-encoding: "Content-Type: text/plain; charset=utf-8\n" "Content-Transfer-Encoding: UTF-8\n" And i ran this command: msgfmt -v -o i18n/fr_FR/LC_MESSAGES/messages.mo i18n/fr_FR/LC_MESSAGES/messages.po >>>93 messages traduits. here is the arborescence of i18n folder: i18n/: en_US fr_FR messages.po i18n/en_US: LC_MESSAGES i18n/en_US/LC_MESSAGES: messages.mo messages.po i18n/fr_FR: LC_MESSAGES i18n/fr_FR/LC_MESSAGES: messages.mo messages.po But when i go in my website (my browser's language is "fr_fr"), i haven't the string translated. And I don't know why. Anyone has an idea? Thanks

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• Bison: Optional tokens in a single rule.

  - by Simone Margaritelli

  Hi there .. i'm using GNU Bison 2.4.2 to write a grammar for a new language i'm working on and i have a question. When i specify a rule, let's say : statement : T_CLASS T_IDENT '{' T_CLASS_MEMBERS '}' { // create a node for the statement ... } If i have a variation on the rule, for instance statement : T_CLASS T_IDENT T_EXTENDS T_IDENT_LIST '{' T_CLASS_MEMBERS '}' { // create a node for the statement ... } Where (from flex scanner rules) : "class" return T_CLASS; "extends" return T_EXTENDS; [a-zA-Z\_][a-zA-Z0-9\_]* return T_IDENT; (and T_IDENT_LIST is a rule for comma separated identifiers). Is there any way to specify all of this only in one rule, setting somehow the "T_EXTENDS T_IDENT_LIST" as optional? I've already tried with T_CLASS T_IDENT (T_EXTENDS T_IDENT_LIST)? '{' T_CLASS_MEMBERS '}' { // create a node for the statement ... } But Bison gave me an error. Thanks

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• Can compiler optimization introduce bugs ?

  - by ereOn

  Hi, Today I had a discussion with a friend of mine and we debated for a couple of hours about "compiler optimization". I defended the point that sometimes, a compiler optimization might introduce bugs or at least, undesired behavior. My friend totally disagreed, saying that "compiler are built by smart people and do smart things" and thus, can never go wrong. He didn't convinced my at all, but I have to admit I lack of real-life examples to strengthen my point. Who is right here ? If I am, do you have any real-life example where a compiler optimization produced a bug in the resulting software ? If I'm mistaking, should I stop programming and learn fishing instead ? Thank you !

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• JavaScript "Cannot retrieve referenced URL"

  - by jb

  I have JavaScript inside a .wsf file and I'm getting the error: C:\bin\LDLSInfo.wsf(53, 34) Windows Script Host: Cannot retrieve referenced URL: S:\tools\JScript\lib\StandardWSH.js At line 53, it says <script language="JScript" src="S:\tools\JScript\lib\StandardWSH.js"/> I know that LDLSInfo.wsf (the main script) and StandardWSH.js (the script to load) both work fine, because I've ran them from a different machine. It works fine on one machine and not on the other, both are Windows 7 x64 computers. So I'm thinking I'm missing some .dll's. Thanks for the help, -jb

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• reading a BYTE as a DWORD in Masm

  - by Help I'm in college

  Hi, once again I'm doing MASM programming. I'm trying to write a procedure using the Irvine32 library where the user enters a string which is put into an array of BYTEs with ReadString. Then it loops over that arrray and determines if each character is a number. However, when I try cmp [buffer + ecx], 30h MASM complains about comparing two things that are not the same size. Is there anyway I could read the ASCII code in each BYTE in the array as a DWORD (or otherwise extract the ASCII value in each BYTE)?

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• Clob as param for PL/SQL Java Stored Procedure

  - by JDS

  I have a java stored procedure that takes in a clob representing a chunk of javascript and mins it. The structure of the function calling the JSP is as follows: function MIN_JS(pcl_js in clob) return clob as language java name 'JSMin.min(oracle.sql.CLOB) return oracle.sql.CLOB'; In the actual JSP, I have the following: import oracle.sql.CLOB; public class JSMin { ... public static min(CLOB js) { ... } The problem I'm having is that whenever I pass a clob to JS_MIN, it is always interpreted as null inside the JSP. I've checked the clob before calling JS_MIN annd it definitely has contents. Any ideas as to what I'm missing? Any help is greatly appreciated.

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• Common Ruby Idioms

  - by DanSingerman

  One thing I love about ruby is that mostly it is a very readable language (which is great for self-documenting code) However, inspired by this question: http://stackoverflow.com/questions/609612/ruby-code-explained and the description of how ||= works in ruby, I was thinking about the ruby idioms I don't use, as frankly, I don't fully grok them. So my question is, similar to the example from the referenced question, what common, but not obvious, ruby idioms do I need to be aware of to be a truly proficient ruby programmer? By the way, from the referenced question a ||= b is equivalent to if a == nil || a == false a = b end (Thanks to Ian Terrell for the correction) Edit: It turns out this point is not totally uncontroversial. The correct expansion is in fact (a || (a = (b))) See these links for why: http://DABlog.RubyPAL.Com/2008/3/25/a-short-circuit-edge-case/ http://DABlog.RubyPAL.Com/2008/3/26/short-circuit-post-correction/ http://ProcNew.Com/ruby-short-circuit-edge-case-response.html Thanks to Jörg W Mittag for pointing this out.

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• Many ascx-to-one ascx.cs bug in VS2008

  - by pukipuki

  I'm developing second language support for the site. So I made duplicate .ascx and .aspx files for existing ascx.cs and aspx.cs Most of the time everything works fine.. but suddenly I'm getting: Type 'ctrl_car' exists both in 'c:\Windows\Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files\rzhdengine\d072cc72\b9d5698b\App_Web_xdmblegv.dll', and in 'c:\Windows\Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files\rzhdengine\d072cc72\b9d5698b\App_Web_gkptrzo2.dll' (translated from russian) ctrl_car ctrl = (ctrl_car) LoadControl("car.ascx"); I have few such strings of code... and same error occurs with one of them. But WITHOUT any changes from me with those files. Sometimes it works on another VS... sometimes regetting project helps... but it is always waste of time (

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• AHCI Driver for own OS

  - by user1496761

  I have been programming a little AHCI driver for two weeks. I have read this article and Intel's Serial ATA Advanced Host Controller Interface (AHCI) 1.3. There is an example, which shows how to read sectors via DMA mode (osdev.org). I have done this operation (ATA_CMD_READ_DMA 0xC8) successfully, but when i tried to write sectors (ATA_CMD_WRITE_DMA 0xCA) to the device, the HBA set the error Offset 30h: PxSERR – Port x Serial ATA Error - Handshake Error (this is decoding from Intel AHCI specification). I don't understand why it happened. Please, help me. In addition, I have tried to issue the command IDENTIFY 0xEC, but not successfully...

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• Probability Homework Help

  - by Alon

  A child is tasting two types of chocolate. The probability that he will like the first type if he liked the second type is 5/6. The probability that he will like the second type if he liked the first type is 3/8. It is known that the probability that the child won't like the second type of chocolate is doubled than the probability that he won't like the first type. What is the probability that the child like at least one of the two type of chocolates? So I tried: 1-[P(not like the first type AND not like the second type)] which is like: 1-[P(not like the first type)*P(not like first type / not like the second type) + P(not like the second type) which equals: P(not like first type / not like second type) But now, I don't have the data of the conditional probability. In addition, I'd like to see how could it solved using a computer programming language. Any ideas? Thank you.

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• Looking for programs on audio tape/cassette containing programs for Sinclair ZX80 PC?

  - by DVK

  OK, so back before ice age, I recall having a Sinclair ZX80 PC (with TV as a display, and a cassette tape player as storage device). Obviously, the programs on cassette tapes made a very distinct sound (er... noise) when playing the tape... I was wondering if someone still had those tapes? The reason (and the reason this Q is programming related) is that IIRC different languages made somewhat different pitched noises, but I would like to run the tape and listen myself to confirm if that was really the case...

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• javaEE application layout

  - by arthurdent510

  I've been tasked with writing a new webapp in javaEE, which will be a first for me. I'm familar with the java language, but all of my previous projects have been in .net. So I've downloaded netbeans and I'll probably be using Hibernate, and started digging in. My question is, what's the best way to lay out a javaEE app? Should all data access go through netbeans? I was told to use webservices as much as possible so it's easy to pull data in and out of the system, and I've read through tutorials that create webservices in a seperate web application, as compared to the javaEE enterprise application. Is that really the way it's supposed to work? Just trying to wrap my head around this as compared to what I'm used to in .net. Thanks!

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• Android Emulator - Cannot get keyboard to display

  - by Ash

  Basically I cannot get the onscreen keyboard to display at all. I've tried every solution I've read to make it appear within my application, and now I've come to the conclusion that it must be the emulator as it isn't appearing when using Messages, writing e-mails etc. I've looked in Language & input within settings and checked Sample Soft Keyboard, rebooted the emulator with no change. Using Android SKD 2.3.3 3.7in WVGA (Nexus One) I'm hoping someone can maybe guess what's going on. Many thanks

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• Qt - activate window

  - by Ockonal

  Hello, i have a QMainWindow. It has this parameters: this->setWindowFlags(Qt::Tool); this->setFocusPolicy(Qt::StrongFocus); this->setAttribute(Qt::WA_QuitOnClose,true); After showEvent calles my window is shown but unactivated. I tried to overload show function: ... QMainWindow::showEvent(event); this->activateWindow(); ... But it doesn't help me. EDIT: When i commented line this->setWindowFlags(Qt::Tool); everything worked fine, but i need in tool-flag. Any ideas? EDIT: OS: Linux Programming language: c++ Qt version: 4.5.1

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• asp.net mvc post variable to controller

  - by Erwin

  Hello fellow programmer I came from PHP language(codeigniter), but now I learning ASP.Net MVC :) In PHP codeigniter we can catch the post variable easily with $this->input->post("theinput"); I know that in ASP.Net MVC we can create an action method that will accepts variable from post request like this public ActionResult Edit(string theinput) Or by public ActionResult Edit(FormCollection formCol) Is there a way to catch post variable in ASP.Net like PHP's codeigniter, so that we don't have to write FormCollection object nor have to write parameter in the action method (because it can get very crowded there if we pass many variable into it) Is there a simple getter method from ASP.Net to catch these post variables?

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