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Using braces with dynamic variable names in PHP
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handy one-liner for DB result sets: foreach($row as $k=>$v){$$k=$v}
– Rid Iculous
Jun 3 '16 at 6:21
add...
Create ArrayList from array
...hout passing it into a new ArrayList object will fix the size of the list. One of the more common reasons to use an ArrayList is to be able to dynamically change its size, and your suggestion would prevent this.
– Code Jockey
Sep 26 '11 at 19:04
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Fastest way to copy file in node.js
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This is a good way to copy a file in one line of code using streams:
var fs = require('fs');
fs.createReadStream('test.log').pipe(fs.createWriteStream('newLog.log'));
In node v8.5.0, copyFile was added
const fs = require('fs');
// destination.txt will be c...
Difference between dict.clear() and assigning {} in Python
...estroy the removed object in the dict which may still be referenced by someone else.
– Lorenzo Belli
Jan 26 '17 at 10:09
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JavaScript: Check if mouse button down?
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Regarding Pax' solution: it doesn't work if user clicks more than one button intentionally or accidentally. Don't ask me how I know :-(.
The correct code should be like that:
var mouseDown = 0;
document.body.onmousedown = function() {
++mouseDown;
}
document.body.onmouseup = function()...
How to calculate the SVG Path for an arc (of a circle)
...00,200), radius 25, how do I draw an arc from 270 degree to 135 degree and one that goes from 270 to 45 degree?
13 Answers
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SignalR: Why choose Hub vs. Persistent Connection?
...een able to get my head around the next level, which is why would I choose one approach over the other?
5 Answers
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How to add include path in Qt Creator?
...me>.includes. In that file, simply list the paths you want to include, one per line. Really all this does is tell Qt Creator where to look for files to index for auto completion. Your own build system will have to handle the include paths in its own way.
As explained in the Qt Creator Manual,...
Python JSON serialize a Decimal object
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How about subclassing json.JSONEncoder?
class DecimalEncoder(json.JSONEncoder):
def default(self, o):
if isinstance(o, decimal.Decimal):
# wanted a simple yield str(o) in the next line,
# but that would mean a yield on...
Update Git branches from master
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Thanks i use "git merge any-branch-name" to merge one branch code to another branch. Locally i can test code of branch 1 while i am on branch 2
– Priti
Mar 14 '19 at 18:31
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