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• how do i use strace to know about system calls in my C program

  - by Adi

  Hi all, I wanted to know how can i use strace function to trace system calls in my C program and also use it for debugging my code. regs adi

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• do you know any tutorial for MBUnit?

  - by Uince

  Hi, It looks a bit hard to find documentation about MBUnit, do you know any tutorial? Thank you!

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• How to know if a QLineEdit got focus ?

  - by Narek

  I want to be able to know if in the QLineEdit it was a click. So I guess I should reimplement the following function(??): void QLineEdit::focusInEvent ( QFocusEvent * e ) [virtual protected] How I should do that?

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• What Great Python Web Developers Ought To Know?

  - by Anry

  What should know the Entry Level, Mid-level, Senior Developer? Theoretical knowledge, development tools, frameworks, languages (Ruby, Java and etc.) and more. What issues are usually at the interview?

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• How to return a file result when I don't know the content type

  - by Jim Geurts

  I have an asp.net mvc action that returns a file result. Behind the scenes, it's just returning a file from a directory. FilePathResult requires a content type, but I don't know that. What is the proper way to return a file result if I only have the path to the file available?

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• How to know the position of the Silverlight ChildWindow when you close it

  - by Silver

  Please, help me. public myChildWindow() { InitializeComponent(); // set left and top from saved values Margin = new Thickness(70, 50, 0, 0); } private void ChildWindow_Closed(object sender, EventArgs e) { // How to know the position of the ChildWindow when you close it ? // get left and top for save values ... }

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• how to know email address of sender

  - by maddy

  hi, how to know email-Id of sender using MFmailComposerView controller.My requirement is to get all email-Id's who are sending mails using my application. i tried by adding Bcc to my mail-Id. But it may erase by user(sender), so i will not get his/her mail-Id. So how to overcome this issue. is it possible to get email-Id's of all using our Application

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• Help I don't know how to handle this error (java.lang.RuntimeException: EMBEDDED Broker start failur

  - by HC

  I follow this tutorial (http://www.netbeans.org/kb/docs/websvc/rest-mysql.html) and it's success, but when i try with my database, it become error. I already follow step by step , but still error, anyone know how to handle this error? or it's bug too? MQJMSRA_RA4001: start:Aborting:Exception starting EMBEDDED broker=EMBEDDED Broker start failure:code = 1 java.lang.RuntimeException: EMBEDDED Broker start failure:code = 1 at com.sun.messaging.jms.ra.EmbeddedBrokerRunner.start(EmbeddedBrokerRunner.java:268) at com.sun.messaging.jms.ra.ResourceAdapter.start(ResourceAdapter.java:472)

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• Do you know any style guide for Python?

  - by systempuntoout

  Do you know any style guide for Python like "Code Like a Pythonista"? I found chapter 2.3.4 of Expert Python Programming very interesting too.

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• What Great Ruby and Rails Developers Ought To Know

  - by Anry

  What should know the Entry Level, Mid-level, Senior Developer? Theoretical knowledge, development tools, gems and more. What issues are usually at the interview?

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• What programming screencasts/podcast resources do you know?

  - by Ricky AH

  Just as the title says, if you know any resource, answer here. Personally I'm more0interested in screencasts more than podcasts, because english is not my mother tonge, so visual clues help a lot: NetBeans TV Screencasts DimeCasts.NET Apple Developer Connection (iTunes) --- Suggested by the community .NET Rocks dnrTV Channel9 MSDN Events and WebCasts Software Engineering DeepFries RailCasts Learnivore! HanselMinutes ThinkCode

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• How can the page know I'm analyzing it with firebug

  - by Oscar Reyes

  Look Wow! How can the webpage know I'm using firebug? BTW I couldn't find out how to show the translucent add banner.

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• how to know the protocol from servlets

  - by Dusk

  If I need to get inbox messages by passing request from servlets to javamail API , how can I know the protocol in which to retrieve inbox messages? Do I have to state the protocol in request URL? I've already checked in gmail, where they haven't stated any protocol, then How can I get inbox messages based on particular protocol like: POP3 or IMAP

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• How do we know when we know the language well enough?

  - by tushar

  I have recently finished understanding the basics of C++ and I was wondering how I can be assured that I have reached the level I want to reach. Is there any site where one can take tests to know if he knows enough?

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• UIApplicationWillResignActiveNotification, how to know the interrupt source?

  - by al_lea

  I'm writing a camera app. I'd like to know if the app is interrupted by SMS event or screen lock. I'd tried to inspect the NSNotification. Both the object and userInfo field give no hint.

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• WinForms/Console application on Mono, how to know it runs as root

  - by Lex Li-MSFT

  As we can execute such executables in two ways, such as "sudo mono test.exe", and "mono test.exe". Now I want to know how to detect whether this application is running as root inside the application itself. I tried to check user name like below and see whether they equal to "root", Thread.CurrentPrincipal.Identity.Name Process.GetCurrentProcess().StartInfo.UserName AppDomain.CurrentDomain.ApplicationIdentity.FullName The first two are empty strings always, while the third throws NullReferenceException. Please advise if this is doable on Mono 2.6.

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• Can I somehow know which replacement is taking place from within a callback of preg_replace_callback

  - by jayarjo

  I'm using preg_replace_callback to substitute particular tokens within the string. But apart from actual token I need to know as well whether that token was first, second or third in a subject string. Is there any way to access that info? I found an argument $count in preg_replace_callback definition (http://php.net/manual/en/function.preg-replace-callback.php), which counts replacements, but I'm not sure if it is accessible from within callback. Any example of the usage in described context?

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• How know when my mongoDB database overhead ?

  - by shingara

  I installed a MongoDB database on my server. My server is in 32Bit and I can't change it soon. When you use MongoDB in a 32Bit architecture you have a limit of 2,5Go of data, as mentionned in this MongoDB blog post. The thing is that I have several database. So how can I know if I am close or not to this limit ?

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• How to know when my control changes size?

  - by Mason Wheeler

  I'm building a custom control, and I need it to be able to respond when it gets resized. I need the old dimensions and the new dimensions available in order to do some calculations. Unfortunately, the SetWidth and SetHeight methods are private to TControl, not protected, and so I can't override them. Is there any other way to know that my control's about to be resized, and to have the old size and the new size both available?

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• Accordion need to know when it collapses

  - by jstawski

  I'm using the Ajax Control Toolkit Accordion Version 1.0.11119.0 and I need to know when a pane colapses. Is there a client side index change event?

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• Know if a MySQL server is overloaded with PHP

  - by Francesc

  Hi, It's possible to know if a MySQL server is overloaded (with PHP), and if it's overloaded show a static page (something like Twitter's fail whale)? How can I do it? Thanks!

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• How know a variable type in java?

  - by Miguel Ribeiro

  Hi. I wanted a thing like I declare a variable: String a = "test"; And want to know what type it is, i.e., the output should be java.lang.String thanks in advance

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• tsql to know when a database was last shrunk

  - by Manjot

  Hi, In SQL 2000, 2005 and 2008, how can I know when databases were last shrunk on a MS SQL server? I want to do this using TSQL. Regards Manjot

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• How I know my document's size inside MongoDB with the ruby driver

  - by shingara

  Hi, The limitation of one document in MongoDB is 4Mo. I have some documents really heavy with a lot of data. How I know my document's size inside MongoDB with the ruby driver ?

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• How do browsers know there is an RSS feed present for a given URL

  - by Rani

  Hi guys, I get a URL from a user. I need to know: a) is the URL a valid RSS feed? b) if not is there a valid feed associated with that URL? Using Objective-c Can any one help me to solve this. Thanks in advance.

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