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Easiest way to check for an index or a key in an array?
...
I solved in this way: if test "${myArray['key_or_index']+isset}"; then echo "yes"; else echo "no"; fi; It seems to me the simplest way and it applies to indexed and associative arrays. Thank you
– Luca Borrione
Nov 4 '12 at 19:13
...
Running multiple TeamCity Agents on the same computer?
...ee agents much faster than it will with one.
– bopapa_1979
Jun 12 '13 at 19:29
13
If you've gone ...
How to benchmark efficiency of PHP script
... using? As an example, I can make nginx + PHP-FPM seriously out perform mod_php + Apache, which in turn gets trounced for serving static content by using a good CDN.
The next thing to consider is what you are trying to optimise for?
Is the speed with which the page renders in the users browser ...
image.onload event and browser cache
...ownloading it again, like this:
var img = new Image();
img.src = "img.jpg?_="+(new Date().getTime());
img.onload = function () {
alert("image is loaded");
}
In this code every time adding current timestamp to the end of the image URL you make it unique and browser will download the image aga...
Is it possible to make an ASP.NET MVC route based on a subdomain?
...nd using attributes would make this easier.
– perfect_element
Jan 27 '17 at 4:42
@perfect_element - Attribute routes a...
How to detect the swipe left or Right in Android?
... class add following attributes:
private float x1,x2;
static final int MIN_DISTANCE = 150;
and override onTouchEvent() method:
@Override
public boolean onTouchEvent(MotionEvent event)
{
switch(event.getAction())
{
case MotionEvent.ACTION_DOWN:
x1 = event.getX(); ...
Keyboard shortcut to change font size in Eclipse?
...ered May 19 '16 at 13:33
ROMANIA_engineerROMANIA_engineer
44.6k2323 gold badges184184 silver badges169169 bronze badges
...
How to “inverse match” with regex?
...his.
You could use look-ahead. Using python as an example
import re
not_andrea = re.compile('(?!Andrea)\w{6}', re.IGNORECASE)
To break that down:
(?!Andrea) means 'match if the next 6 characters are not "Andrea"'; if so then
\w means a "word character" - alphanumeric characters. This is equ...
Print function log /stack trace for entire program using firebug
... Chrome and IE 11.
Alternatively try something like this:
function print_call_stack() {
var stack = new Error().stack;
console.log("PRINTING CALL STACK");
console.log( stack );
}
share
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i...
Is an index needed for a primary key in SQLite?
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It's mention in the sqlite_master table with a name starting with sqlite_autoindex_.
– dan04
Jul 31 '10 at 19:17
2
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