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• what's the use of 0 in wait system call?

  - by Supereme

  Hi, The syntax for the wait system call is pid= wait(&var) where pid is the process id of child and var is the variable which will contain the reason for exiting child. But what happens when we use wait((int *)0)? What does it exactly mean? Thank you.

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• Netbeans: How do I break on a NullPointerException?

  - by darren

  Hi When debugging a java program in netbeans, I want the debugger to stop on the line that causes a NullPointerException so I can examine the variables there. I believe I have to use a condition on the breakpoint set at that line, but what is the syntax of the condition? thanks for the help

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• How to set an asp:listitem to an enumeration value declaratively?

  - by Curtis White

  I have an asp:RadioButtonList and want to declaratively bind the value to an enumeration. I tried using this type syntax: value = <%# ((int)MyEnum.Value).ToString() %" I get an error list item does not support databinding. Any ideas?

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• apex button to call a page in another application

  - by jaykio77

  I have a workspace with which I have 5 applications based on same schema. Now I want to have a main page from where I could call main pages of all these applications. I used this syntax to call home page in another application but to no avail f?p=4000:4150:&APP_SESSION. Where 4000:4150 are the values for the application and the page I want to display. Please let me know where am I making mistake.

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• How do I use multiple precisions in printf()?

  - by Tommy

  Looking at the information under the heading "Precision can be omitted or be any of:". The example: printf("%.*s", 3, "abcdef"); works, outputting:abc (truncating the rest of the string.) Now, I would like to have a string with multiple parameters formatted (truncated): printf("%.*s, %.*s", 3, 3, "abcdef", "xyz123"); but the program crashes. What is the correct syntax? Thank You.

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• How do I generate Entity Framework 4.0 classes from the command line that have different names than

  - by Josh Kodroff

  I want to generate Entity Framework 4.0 classes from a (legacy) database from a command line, but I have 2 transformations I want: Tables/columns are lowerCamelCase and I want my classes/members to be UpperCamelCase. I want to suffix my classes with "Dto". Any idea how this might be accomplished? I'm a total newbie to EF, but I have a decent understanding of Linq to Sql and was able to accomplish the same task by doing: sqlmetal - dbml - xml mapping file and .cs file.

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• Teamcity - Build Number - Pass into ant script

  - by J G

  I want to pass the build number from Teamcity into an ant script as a parameter. Does anyone know the exact syntax for doing this?

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• I can't able to edit my column name after saving

  - by Midhun M

  I create a new table of employee now I want to edit one of the column name in that table. I can edit but while saving a pop up window asks to save some text file. How may I resolve this? Is it possible to edit without creating a new table? The text file is /* Friday, August 22, 20144:32:53 PM User: Server: MIDHUN\SQLEXPRESS Database: LinQ Application: */ employee

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• Hint to MVC view generator for primary key on POCOs

  - by myotherme

  When generating a strongly-typed Index view for my model I always get the following: <%= Html.ActionLink("Edit", "Edit", new { /* id=item.PrimaryKey */ }) %> I am using a POCO class for use with our ORM. As I understand it when using LINQ to SQL the view code will know which field is the primary key. Is there a way that I can an attribute to the property (or class) that will let the View Generator know that the ID property if the primary key?

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• Find and replace date within a file

  - by user1629011

  My apologies if my title is not descriptive enough, I believe the following will be. I have 3 files which are just plain text, within each file, is a date Date: 2012-08-31 for example I would like to get a command/script to find this and update to the current date, but the date will be ever changing and may not be known going in (without viewing the contents of the file Knowing what the date is, its simple enough with sed, but how can I do this knowing the syntax of the line I want to modify, but not the specific values. ("Date: " at least is unchanging)

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• in jQuery, why are we using this ({ })

  - by uzay95

  I wonder that, why are we using ({ }) ? Is it delegate ? What does it mean to use this syntax ? What are we wrapping with it ? For ex: $.ajaxSetup ({ // <-- THIS error: fError, compelete: fComp, success: fSucc }); // <-- AND THIS

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• Hibernate - how to create list of pojos?

  - by AspNewbie

  I am very new to Hibernate. I have MySQL database and mapped pojos. What should I do next? I know little bit LINQ to SQL from .NET, and it generates me List of mapped objects. So basically, what are my next steps after creating POJOS if I want to have List of them and do CRUD operations upon them and data will be also saved in DB not only in java objects ? kthx

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• Protected Class In C#

  - by ChloeRadshaw

  This compiles well for me - However other people on a different thread are saying that protected classes cannot be declared in c# at top level Is that the case? using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace ConsoleApplication1 { protected class CsvReader { } }

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• Find an element by class name, from a known parent element

  - by user246114

  Hi, I want to find an element by class name. I know it will appear in a particular parent div, so rather than search the entire dom, I'd like to search only the particular div. I am trying this, but does not seem to be the correct syntax: var element = $("#parentDiv").(".myClassNameOfInterest"); what's the right way to do that? Thanks

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• Python: How can I subclass a class I'm nesting in?

  - by singpolyma

  I am trying to do the following in a bit of python code: class Parent: class Child(Parent): pass And it does not work. Is there any python syntax I can use to achieve the same result? Thanks.

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• Is there a better alternative to the Mongo shell?

  - by afvasd

  Dear Everyone, Is there a better shell than the native mongo shell? When I press UP I am seeing ^[[A . Does the shell not support last query? Tabbing in the shell does not autocomplete either. Of course, if there's a shell with syntax highlighting that would be great Is there an alternative that has the following features? (Or at least has some of them).

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• Good book for sql

  - by Uday

  I always considered database as a storage . but never thought it can be used for querying across tables etc. Which is a good book for sql for a developer. not just the syntax. How to write a query in different ways How internally queries are executed.etc especially related to microsoft sql server

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• What's wrong with this UPDATE FROM using a case statement?

  - by Blankman

  update p set p.storePrice = CASE WHEN p.costPrice BETWEEN 0.00 AND 1.00 THEN p.costPrice * 1.0 CASE WHEN p.costPrice BETWEEN 0.00 AND 1.00 THEN p.costPrice * 1.0 ELSE p.msrpPrice END FROM product p WHERE p.type = 1 The error says: Msg 156, Level 15, State 1, Line 9 Incorrect syntax near the keyword 'CASE'. I can't seem to see any issue with the sql?

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• What is wrong with this jquery snippet in ie6?

  - by codeninja

  ie6 isn't playing nice with my jquery snippet, why is this throwing a syntax error in IE6 if(typeof isIE6 !="undefined"){ $("#dropdown-list li").hover( function(){ $(this).addClass("hover"); }, function(){ $(this).removeClass("hover"); }, ); };

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• Jquery $.post() - Possible to do a full page post request?

  - by Sosh

  I know I can do an out of band Post request with Jquery and the $.post( syntax. However, I'm interested to know if it is possible for jquery to cause a post request on the whole page (as when a form is submitted) so that a brand new page is loaded. Is this possible? Thanks There is no form element in the DOM, so I can't do form.submit().

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• How do I play with test command properly?

  - by httpinterpret

  [root@jiaoyou ~]# test 1 = 1 -a 0 = 1 [root@jiaoyou ~]# if [1 = 1 -a 0 = 1]then echo 1;else echo 2;fi -bash: syntax error near unexpected token `else' Why test doesn't give any output and the if statement fails? Can someone point out what's wrong here?

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• I'm looking for a textbook based introduction to the php 5.3.2? Any suggestions?

  - by prgrmnGuru

  By textbook based i mean the author asks the reader questions/mini projects after every section/chapter of the book. And the book includes background info on php 5, like what kind of language, its use, syntax/semantix/structure etc. Any suggestions?

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• How to "import" a static class in C# ?

  - by programmernovice

  I have created a public static class utils.cs I want to use it in other classes without prefixing method with utils, what's the syntax to do this ?

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• Explicit Event add/remove, misunderstood?

  - by Hammerstein

  I've been looking into memory management a lot recently and have been looking at how events are managed, now, I'm seeing the explicit add/remove syntax for the event subscription. I think it's pretty simple, add/remove just allows me to perform other logic when I subscribe and unsubscribe? Am I getting it, or is there more to it? Also, while I'm here, any advice / best practices for cleaning up my event handles.

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• Can you use constant variables in javascript?

  - by chobo2

  Hi I am using visual studios 2010 and created a javascript file(jscript.js) and I saw on one page saying you can make constant variables in javascript like: const x = 20; bu to on another page I read it says you can't. So I am confused now what is it now? Also in Visual studios when I write "const" it underlines it in the javascript file and goes syntax error.

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