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• Variable popen calls in C

  - by Bushman

  I'm trying to execute MS-DOS DEL commands inside a Win32 C program, and I already know that system and popen can be used for this. However, the problem is that both require string literals (type const char) for the commands, and I need something like the DOS equivalent of dir ~ | grep -P '/\d{7,8}\.exe$/' | rm, which obviously can't use string literals. Is there some other subprocess function in C that allows for char arrays as arguments for process names?

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• Fluent Nhibernate Order-By on Collection

  - by madcapnmckay

  Hi, If I have a collection mapped in Fluent NHibernate and I want to apply an order to that collection how do I do that? Eg: HasMany(x => x.PastDates) .AsBag().Cascade .SaveUpdate() .KeyColumnNames.Add("EventId") .Where(e => e.DateFrom < DateTime.Now.Date) .Inverse(); I'm looking for the equivalent of the order-by attribute in HBM files. Thanks

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• Localization of javax.swing.JOptionPane's default button labels in OS X

  - by Chry Cheng

  How can this be achieved? I have the ff. test code: javax.swing.JOptionPane.showMessageDialog(null, "Hello, world!"); Running it with or without, say, -Duser.language=zh and -Duser.country=TW makes no difference. I.e., the OK button is still labeled "OK". In Windows, for example, it is replaced with the Traditional Chinese equivalent.

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• How can I emulate the ASP.NET Ajax UpdatePanel when using ASP.NET MVC?

  - by Gary McGill

  In "traditional" ASP.NET (Web Forms), the UpdatePanel control lets you do a partial refresh of a part of a page. You don't need to write much code to hook this up. What's the equivalent in ASP.NET MVC? I'm guessing I'd need to use a partial view for the bit that I want to update, then on the client side retrieve that HTML and pump it into the innerHtml of the correct DIV? A tutorial/example would be helpful...

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• Does the concept of "magic number" change from language to language?

  - by Gerardo Marset

  Take the following code in C/C++, for example: int foo[] = {0, 0, 0, 0}; No magic numbers, right? Now, the Python "equivalent" of that would be: foo = [0, 0, 0, 0] Still no magic numbers. However, in Python, that same thing can be written like this: foo = [0] * 4 And now we DO have a magic number. Or do we? I'm guessing this and other similar things are present on these and other languages.

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• Grails/Hibernate max for string type

  - by bsreekanth

  Hello, In my table I have a serial number field, which is represneted by string.. It has a prefix and some numbers follow. Eg: ABC1234, ABC2345 etc. How to retrieve the largest value (max equivalent of int type) from this column. In my case it would be ABC2345. I probably could retrieve all the data,, sort it and get the same, but that would be slow. thanks in advance..

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• How do I move a file (or folder) from one folder to another in TortoiseSVN?

  - by codeflunky

  I would like to move a file or folder from one place to another within the same repository without having to use Repo Browser to do it, and without creating two independent add/delete operations. Using Repo Browser works fine except that your code will be hanging in a broken state until you get any supporting changes checked in afterwards (like the .csproj file for example). Update: People have suggested "move" from the command line. Is there a TortoiseSVN equivalent?

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• Writing a program to scrape forums

  - by seanieb

  Hi, I need to write a program to scrape forums. Should I write the program in Python using the Scrapy framework or should I use Php cURL? Also is there a Php equivalent to Scrapy? Thanks

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• Is there a WPF equaivalent to System.Windows.Froms.Screen?

  - by dkackman

  I'm trying to create a WPF window that will encompass the entire Desktop working area. In WinForms I'd do this by getting the Union of all the bounds in System.Windows.Forms.Screen.AllScreens. Is there an equivalent type or other mechanism to get the bounds of the entire desktop in WPF or do I need to use the WinForms type?

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• How to Create Own HashMap in Java?

  - by Taranfx

  I know about hashing algorithm and hashCode() to convert "key" into an equivalent integer (using some mathematically random expression) that is then compressed and stored into buckets. But can someone point me to an implementation or at least data structure that should be used as baseline? I haven't found it anywhere on the web.

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• Using s/// in an expression

  - by mikeY

  I got a headache looking for this: How do you use s/// in an expression as opposed to an assignment. To clarify what I mean, I'm looking for a perl equivalent of python's re.sub(...) when used in the following context: newstring = re.sub('ab', 'cd', oldstring) The only way I know how to do this in perl so far is: $oldstring =~ s/ab/cd/; $newstring = $oldstring; Note the extra assignment.

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• Converting JBOSS annotations to xml

  - by sixtyfootersdude

  Good Morning, I was just hoping that someone could point me to a reference that defines about what JBOSS annotations are equivalent to what xml tags. I am particularly interested in these tags: @WebContext in org.jboss.ws.annotation.WebContext and @SecurityDomain in org.jboss.annotation.security.SecurityDomain

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• Sequential GUID in Linq-to-Sql?

  - by JacobE

  I just read a blog post about NHibernate's ability to create a GUID from the system time (Guid.Comb), thus avoiding a good amount of database fragmentation. You could call it the client-side equivalent to the SQL Server Sequential ID. Is there a way I could use a similar strategy in my Linq-to-Sql project (by generating the Guid in code)?

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• Why does this code sometimes return NaN?

  - by carrots

  This often returns NAN ("Not A Number") depending on input: #define PI 3.1415f GLfloat sineEaseIn(GLfloat ratio) { return 1.0f-cosf(ratio * (PI / 2.0f)); } I tried making PI a few digits smaller to see if that would help. No dice. Then I thought it might be a datatype mismatch, but float and glfloat seem to be equivalent: gl.h typedef float GLfloat; math.h extern float cosf( float ); Is this a casting issue?

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• Convert keyboard layout from AZERTY to QWERTY

  - by lamisse

  I'm programming in Java using a French machine with an AZERTY keybord. I like to type text with a certain character, the colon, test: hello. When I launch the test, only test is displayed. Are there ways in Java to convert the colon : to the QWERTY equivalent?

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• What are classes and modules for in C#

  - by Arlen Beiler

  Can someone explain the difference between a class and a module. When do you use one versus the other? I am using C#. Update: I do mean the C# equivalent of the VB Module.

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• How to install new packages on Cygwin?

  - by Mulone

  Hi all, I installed the latest version of Cygwin with a number of packages. I soon realised that I need more packages (such as wget, etc) and I coudln't find a way to install the new packages without running the set up again and reinstall everything from scratch. What I'm looking for is the equivalent of apt-get on Cygwin (if such a thing exists). Cheers, Mulone

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• Passing parameter as final in C#

  - by Ravisha

  This might be a duplicate question.But could not find it in search In java to mark a method parameter as constant we declare it as final whats the equivalent C# keyword? Like: public void doSomeThing(final object myObject) { //print myobject }

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• How can I manually interpolate string escapes in a Perl string?

  - by Ryan Thompson

  In perl suppose I have a string like 'hello\tworld\n', and what I want is: 'hello world ' That is, "hello", then a literal tab character, then "world", then a literal newline. Or equivalently, "hello\tworld\n" (note the double quotes). In other words, is there a function for taking a string with escape sequences and returning an equivalent string with all the escape sequences interpolated?

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• In-line CSS IE hack

  - by Daimonan

  Is it possible to create, for instance, a box model hack while using in-line CSS? For example: <div id="blah" style="padding: 5px; margin: 5px; width: 30px; /*IE5-6 Equivalent here*/"> Thanks!

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• JavaScript Dates and Times

  - by Alex Polo

  What is the JavaScript equivalent to the following PHP code: $expTime = time() + (5 * 60 * 60); // now plus 5 hours (5 hour; 60 mins; 60 secs) $expTimeStr = gmdate('Y-m-d\TH:i:s\Z', $expTime);

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• What is the default maximum heap size for Sun's JVM from J2SE 6?

  - by dfrankow

  What is the default maximum heap size for Sun's JVM from J2SE 6 (i.e. equivalent to setting -Xmx)? Looks like for J2SE 5 with a server-class machine, it's Smaller of 1/4th of the physical memory or 1GB. Bonus question: Looks like for IBM's JVM you can ask it java -verbose:sizes -version Can you similarly ask Sun's JVM?

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• How to use the asin() function in objective c

  - by Daniel Thatcher

  I am trying to use the asin() function in an iOS app to calculate an angle from the y axis. I am using trigonometry, but I must be doing something wrong with the asin() function, as when I try to pass in 0.707.... as asin(rotation) where rotation is a double equivalent to 0.707..., I get around 0.78....., where as my calculator gives me 44.991..., which is about correct from the variables passed in. What am I doing wrong, please can somebody help me?

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• how to call a window's Loaded event in WPF MVVM?

  - by bluebit

  It is easy enough to create a command from my OnLoaded() event handler code, but how do I call it from the View? <window Loaded="onLoaded"> doesn't cut the cake anymore since it calls code in the xaml.cs. How would I create an ICommand equivalent?

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• How does the OpenGL ES template work for the iPhone?

  - by thyrgle

  So, I've been trying to figure out why the square is moving up and down the iPhone simulator when Build and Go the template that Apple provides for OpenGL ES. I don't understand why for example they have ES1Render.m, and ES2Render.m instead of just one ESRender.m. Also, where is the equivalent of the glutDisplayFunc, and glutTimerFunc? Thanks in advance.

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