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What happens to git commits created in a detached HEAD state?
...commits, and the "lost" commit should be in there. You can make it into a new branch. For example, if the SHA-1 is ba5a739, then you can make a new branch named "new-branch" at the old commit with:
git branch new-branch ba5a739
Note that "lost" commits will get deleted when the database is prun...
Case preserving substitute in Vim
...use, because that is required for the useful :set smartcase), vim will consider 'a' == 'A'!!
Crazy as it is, we really should account for it: Because it is user-settings-dependent, == should NEVAR be used! (Except where that would actually be what you want.) I will even follow the recommendati...
defaultdict of defaultdict?
...access a key that doesn't exist. The return value of it will be set as the new value of this key, which means in our case the value of d[Key_doesnt_exist] will be defaultdict(int).
If you try to access a key from this last defaultdict i.e. d[Key_doesnt_exist][Key_doesnt_exist] it will return 0, whi...
How do you force Visual Studio to regenerate the .designer files for aspx/ascx files?
...'m editing page or control the .designer files stop being updated with the new controls I'm putting on the page. I'm not sure what's causing this to happen, but I'm wondering if there's any way of forcing Visual Studio to regenerate the .designer file. I'm using Visual Studio 2008
...
Configuring diff tool with .gitconfig
... the above keys or define a custom key of your own. If you want to setup a new tool altogether(or a newly released version of well-known tool) which doesn't map to any of the keys listed above then you are free to map it to any of keys listed above or to a new custom key of your own.
What if you ha...
In java how to get substring from a string till a character c?
...o do another question/answer). It is expensive because it creates a whole new string along with all of the replacing the characters. substring simply returns a view into the string. That help?
– TofuBeer
May 13 '13 at 16:28
...
Throwing exceptions from constructors
...() called" << std::endl;
}
};
class foo
{
public:
foo()
: b(new bar())
{
std::cout << "foo() called" << std::endl;
throw "throw something";
}
~foo()
{
delete b;
std::cout << "~foo() called" << std::endl;
}
private:
bar *b;
};
int...
How to search by key=>value in a multidimensional array in PHP
... array('id'=>2,'name'=>"cat 2")
);
//here's the code:
$arrIt = new RecursiveIteratorIterator(new RecursiveArrayIterator($arr));
foreach ($arrIt as $sub) {
$subArray = $arrIt->getSubIterator();
if ($subArray['name'] === 'cat 1') {
$outputArray[] = iterator_to_array($s...
How to list the properties of a JavaScript object?
...
As Sam Dutton answered, a new method for this very purpose has been introduced in ECMAScript 5th Edition. Object.keys() will do what you want and is supported in Firefox 4, Chrome 6, Safari 5 and IE 9.
You can also very easily implement the method...
How do I get a value of datetime.today() in Python that is “timezone aware”?
...
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