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Checking if a variable is an integer
Does Rails 3 or Ruby have a built-in way to check if a variable is an integer?
11 Answers
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What do @, - and + do as prefixes to recipe lines in Make?
In the GNU Makefile manual, it mentions these prefixes.
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Simulating group_concat MySQL function in Microsoft SQL Server 2005?
I'm trying to migrate a MySQL-based app over to Microsoft SQL Server 2005 (not by choice, but that's life).
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Programmatically Hide/Show Android Soft Keyboard [duplicate]
First thing first I already saw this thread. I tried accepted methods given there..But nothing worked for me..
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How do I make calls to a REST api using C#?
...e WCF Web API previously mentioned.
I thought I'd post an updated answer since most of these responses are from early 2012, and this thread is one of the top results when doing a Google search for "call restful service c#".
Current guidance from Microsoft is to use the Microsoft ASP.NET Web API Cl...
Android: What's the difference between Activity.runOnUiThread and View.post?
...ween Activity.runOnUiThread and View.post , could someone, please, explain?
4 Answers
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Super-simple example of C# observer/observable with delegates
I recently started digging into C# but I can't by my life figure out how delegates work when implementing the observer/observable pattern in the language.
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Camera orientation issue in Android
I am building an application that uses camera to take pictures. Here is my source code to do this:
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is_file or file_exists in PHP
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is_file() will return false if the given path points to a directory. file_exists() will return true if the given path points to a valid file or directory. So it would depend entirely on your needs. If you want to know specifically if it's a file or not, use is_file(). Othe...
Modifying location.hash without page scrolling
We've got a few pages using ajax to load in content and there's a few occasions where we need to deep link into a page. Instead of having a link to "Users" and telling people to click "settings" it's helpful to be able to link people to user.aspx#settings
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