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ASP.NET MVC return empty view
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In an action that returns EmptyResult, is it the same as doing return null?
– Robin Maben
Aug 8 '12 at 13:08
1
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Pick any kind of file via an Intent in Android
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It does work with an external file explorer (such as ES File Explorer or Astro File Manager, but not with the Samsung file explorer. It seems odd that they did not implement the correct intent filters to respond to that action.
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rsync exclude according to .gitignore & .hgignore & svn:ignore like --filter=:C
...udes a nifty option --cvs-exclude to “ignore files in the same way CVS does”, but CVS has been obsolete for years. Is there any way to make it also exclude files which would be ignored by modern version control systems (Git, Mercurial, Subversion)?
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Remove a fixed prefix/suffix from a string in Bash
... to combine the two in one line? I tried ${${string#prefix}%suffix} but it doesn't work.
– static_rtti
Mar 5 '14 at 8:18
29
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What's the need of array with zero elements?
...packed)); /* Note: the __attribute__ is irrelevant here */
Note that you don't mention any size for the data field. Note also that this special variable can only come at the end of the struct.
In C99, this matter is explained in 6.7.2.1.16 (emphasis mine):
As a special case, the last elemen...
Android: Access child views from a ListView
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Great answer, but doesn't quite work right when you have header views in your list. The assignment to firstPosition should be int firstPosition = listView.getFirstVisiblePosition() - listView.getHeaderViewsCount(); to fix this.
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Parsing a string into a boolean value in PHP
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There is a native PHP method of doing this which uses PHP's filter_var method:
$bool = filter_var($value, FILTER_VALIDATE_BOOLEAN);
According to PHP's manual:
Returns TRUE for "1", "true", "on" and "yes". Returns FALSE otherwise.
If FILTER_NULL_...
Which annotation should I use: @IdClass or @EmbeddedId
... key object using any field access operator. Using the @EmbeddedId you can do like this:
@Embeddable class EmployeeId { name, dataOfBirth }
@Entity class Employee {
@EmbeddedId EmployeeId employeeId;
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}
This gives a clear notion of the fields that make the composite key because they are al...
How to get the cuda version?
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nvcc --version should work from the Windows command prompt assuming nvcc is in your path.
– harrism
Jan 14 '17 at 6:06
15
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Can I list-initialize a vector of move-only type?
...itializer list are always passed via const-reference. Unfortunately, there does not appear to be any way of using move-semantic in initializer list elements in the current revision of the language.
Specifically, we have:
typedef const E& reference;
typedef const E& const_reference;
typede...