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How to check if a json key exists?
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280
JSONObject class has a method named "has":
http://developer.android.com/reference/org/json/JS...
Android: java.lang.SecurityException: Permission Denial: start Intent
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edited Aug 2 '13 at 18:14
Flow
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Open two instances of a file in a single Visual Studio session
...o instances of this file in Visual studio (BTW, I am using Visual Studio 2005). Why would I want to do so? I want to compare two sections of the same file side by side. I know workarounds such as:
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Get all child views inside LinearLayout at once
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285
Use getChildCount() and getChildAt(int index).
Example:
LinearLayout ll = …
final int chil...
What are CFI directives in Gnu Assembler (GAS) used for?
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edited May 23 '17 at 12:18
Community♦
111 silver badge
answered Mar 27 '10 at 12:24
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Using JSON.NET as the default JSON serializer in ASP.NET MVC 3 - is it possible?
...rmatting.Indented);
response.Write(serializedObject);
}
EDIT 2: I removed the check for Data being null as per the suggestions below. That should make newer versions of JQuery happy and seems like the sane thing to do, as the response can then be unconditionally deserialized. Be aware ...
CSS to set A4 paper size
...as it is show on browser (Chrome, specifically). I set the element size to 21cm x 29.7cm, but when I send to print (or print preview) it clip my page.
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Prevent tabstop on A element (anchor link) in HTML
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266
Some browsers support the tabindex="-1" attribute, but not all of them, since this is not a st...
How do I test a file upload in rails?
...able on SO.
The rails framework has a function fixture_file_upload (Rails 2 Rails 3, Rails 5), which will search your fixtures directory for the file specified and will make it available as a test file for the controller in functional testing. To use it:
1) Put your file to be uploaded in the test...
Git clone particular version of remote repository
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249
You could "reset" your repository to any commit you want (e.g. 1 month ago).
Use git-reset ...