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How can I perform a `git pull` without re-entering my SSH password?
... If you use a password (not a passphrase with key file) for an SSH-based URL of a remote Git repo, you cannot save the password at all. But I noticed that after issuing any git command, you can immediately type the password and press Enter. You don't need to wait for the password prompt to a...
Calling closure assigned to object property directly
...sn't work on a StdClass.
Before PHP7, you'd have to implement the magic __call method to intercept the call and invoke the callback (which is not possible for StdClass of course, because you cannot add the __call method)
class Foo
{
public function __call($method, $args)
{
if(is_...
How to remove an element from a list by index
...ook at svn.python.org/projects/python/trunk/Objects/listobject.c how PyList_GetItem() essentially returns ((PyListObject *)op) -> ob_item[i]; - the ith element of an array.
– glglgl
Sep 9 '13 at 7:53
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How do JavaScript closures work?
...ing
In the following code, function onClick closes over variable BACKGROUND_COLOR.
const $ = document.querySelector.bind(document)
const BACKGROUND_COLOR = 'rgba(200,200,242,1)'
function onClick() {
$('body').style.background = BACKGROUND_COLOR
}
$('button').addEventListener('click', onClick...
How to make a chain of function decorators?
... # returns "<b><i>hello world</i></b>"
print hello.__name__ # with functools.wraps() this returns "hello"
print log('hello') # returns "<b><i>hello</i></b>"
share
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What does = +_ mean in JavaScript
I was wondering what the = +_ operator means in JavaScript. It looks like it does assignments.
12 Answers
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How do I add indices to MySQL tables?
... an ANALYZE TABLE helps.
In more complex queries, it decides not to use it based on extremely intelligent thought-out voodoo in the query-plan that for some reason just not fits your current requirements.
In the case of (2) or (3), you could coax MySQL into using the index by index hint sytax, but...
Check if $_POST exists
I'm trying to check whether a $_POST exists and if it does, print it inside another string, if not, don't print at all.
14 ...
How is this fibonacci-function memoized?
...t one.
It's essentially a clever and low-rent form of dynamic programming based on GHC's lazy semantics. I think the standard only specifies that it has to be non-strict, so a compliant compiler could potentially compile this code to not memoize. However, in practice, every reasonable compiler is g...
What is an xs:NCName type and when should it be used?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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