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Unique Key constraints for multiple columns in Entity Framework
...rrect for data annotations :), if you want the answer for using the fluent API see Niaher's answer below stackoverflow.com/a/25779348/2362036
– tekiegirl
Oct 29 '14 at 13:37
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Android gradle: buildtoolsVersion vs compileSdkVersion
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compileSdkVersion is the API version of Android that you compile against.
buildToolsVersion is the version of the compilers (aapt, dx, renderscript compiler, etc...) that you want to use. For each API level (starting with 18), there is a matching .0...
How to extract custom header value in Web API message handler?
I currently have a message handler in my Web API service that overrides 'SendAsync' as follows:
10 Answers
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How to check edittext's text is email address or not?
...checks that field contains a valid domain name ( always passes the test in API Level < 8 )
ipAddress: checks that the field contains a valid ip address
webUrl: checks that the field contains a valid url ( always passes the test in API Level < 8 )
nocheck: It does not check anything. (Default)
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How can I assign an ID to a view programmatically?
...ew.
Query these child views using placeholder.findViewById(convenientInt);
API 17 introduced View.generateViewId() which allows you to generate a unique ID.
If you choose to keep references to your views around, be sure to instantiate them with getApplicationContext() and be sure to set each refe...
How to scale threads according to CPU cores?
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Look at the example here: java.sun.com/j2se/1.5.0/docs/api/java/util/concurrent/… It will tell you a more streamlined way to create and manage the thread pool... It may seem more complicated at first, but as with most things, it's more complicated because if it was simpler yo...
Angular HttpPromise: difference between `success`/`error` methods and `then`'s arguments
...enience method when you don't need to chain call nor work with the promise API (for example, in routing).
In short:
.then() - full power of the promise API but slightly more verbose
.success() - doesn't return a promise but offeres slightly more convienient syntax
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How To Accept a File POST
I'm using asp.net mvc 4 webapi beta to build a rest service. I need to be able to accept POSTed images/files from client applications. Is this possible using the webapi? Below is how action I am currently using. Does anyone know of an example how this should work?
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Getting an empty JQuery object
...of jQuery, this would return a set containing the document node.
Source: api.jquery.com
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Java FileReader encoding issue
...tly. Unfortunately, FileReader does not allow this (major oversight in the API). Instead, you have to use new InputStreamReader(new FileInputStream(filePath), encoding) and ideally get the encoding from metadata about the file.
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