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Returning redirect as response to XHR request
What happens if the browser receives a redirect response to an ajax request?
2 Answers
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Show AlertDialog in any position of the screen
... public void onClick(DialogInterface dialog, int item) {
if(item == 0) {
} else if(item == 1) {
} else if(item == 2) {
}
}
});
AlertDialog dialog = builder.create();
dialog.requestWindowFeature(Window.FEATURE_NO_TITLE);
...
How to remove an element from an array in Swift
How can I unset/remove an element from an array in Apple's new language Swift?
18 Answers
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how to prevent “directory already exists error” in a makefile when using mkdir
...s:
mkdir -p $(OBJDIR)
The -p option to mkdir prevents the error message if the directory exists.
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Error “initializer element is not constant” when trying to initialize variable with const
...t expressions.
A "large" object is never a constant expression in C, even if the object is declared as const.
Moreover, in C language, the term "constant" refers to literal constants (like 1, 'a', 0xFF and so on), enum members, and results of such operators as sizeof. Const-qualified objects (of ...
What is the difference between window, screen, and document in Javascript?
... used interchangeably as the global environment for the DOM. What is the difference (if there is one) and when should I use each one?
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Find where java class is loaded from
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What if the class is compiled, e.g. from a .groovy file?
– Ondra Žižka
Jun 28 '13 at 0:58
35
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Fully backup a git repo?
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@Daniel: If you clone a repository, you fetch every branch, but only the default one is checkouted. Try git branch -a. Maybe its more obvious this way: After cloning a repository you dont fetch every branch, you fetch every commit. Br...
How to specify a multi-line shell variable?
... Note that read will have an exit code of 1 in this situation; if that matters (you are running with set -e, for example), you'll want add a || true at the end of the first line.
– chepner
Mar 15 '13 at 12:53
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Pandas dataframe get first row of each group
... first
2 first
3 first
4 second
5 first
6 first
7 fourth
If you need id as column:
>>> df.groupby('id').first().reset_index()
id value
0 1 first
1 2 first
2 3 first
3 4 second
4 5 first
5 6 first
6 7 fourth
To get n first records, you can ...