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What is the meaning of git reset --hard origin/master?
...o ask this before you ran the command. The destructive nature is hinted at by using the same words as in "hard reset".
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Syntax Error: Not a Chance
...nd an easter egg in Python. It is a joke.
It means that delimiting blocks by braces instead of indentation will never be implemented.
Normally, imports from the special __future__ module enable features that are backwards-incompatible, such as the print() function, or true division.
So the line f...
CSS3 :unchecked pseudo-class
...:checked) should both work on IE, except both of them are equally affected by a bug where changing the checked status does not update the styles of elements being targeted in relation to the checked/unchecked element.
– BoltClock♦
Jan 20 '15 at 15:44
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Add a new element to an array without specifying the index in Bash
...ng-extraction syntax could be applied to arrays too; the rules, determined by trial and error, are (bash 3.2.48): ${array[@]: start[:count]} Returns count elems. or, if not specified, all remaining elems. starting at the following elem.: - If start >= 0: from the elem. whose index is >= start....
MongoDB - Update objects in a document's array (nested updating)
...e :) But for Question#1, the problem is you should search for the document by "user_id", and not by "items.item_name". In this case I can not use the Positional Operator, as I haven't specified the array in the search query. Also I want both parts to be done in one shot. (if possible)
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How to unpack and pack pkg file?
I have a pkg file created by Install Maker for Mac.
I want to replace one file in pkg. But I must do this under Linux system, because this is a part of download process. When user starts to download file server must replace one file in pkg.
I have a solution how unpack pkg and replace a file but I d...
onTouchListener warning: onTouch should call View#performClick when a click is detected
...
performClick();
return super.onTouchEvent(event);
}
or
findViewById(R.id.view1).setOnTouchListener(new View.OnTouchListener() {
@Override
public boolean onTouch(View v, MotionEvent event) {
v.performClick();
return v.onTouchEvent(event);
}
});
OnTouch flow...
PHP: How to use array_filter() to filter array keys?
...o array_filter(), flag, that you can set to ARRAY_FILTER_USE_KEY to filter by key instead of value:
$my_array = ['foo' => 1, 'hello' => 'world'];
$allowed = ['foo', 'bar'];
$filtered = array_filter(
$my_array,
function ($key) use ($allowed) {
return in_array($key, $allowed);
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Move the mouse pointer to a specific position?
...osition, and tracking change in its x and y. This concept has been adopted by - it looks like - Chrome and Firefox. It's managed by what's called Mouse Lock, and hitting escape will break it. From my brief read-up, I think the idea is that it locks the mouse to one location, and reports motion event...
How to switch to REPLACE mode in VIM
I know I can do this by pressing Insert in INSERT mode, but that requires some stretching. Is there any more convenient shortcut to go directly from NORMAL mode to REPLACE mode?
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