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How do I replace text in a selection?
...in the screenshot below.
Hit replace all, and voila, all instances of '0' will be replaced with '255'.
Note: this feature is ONLY available when you use ⌘ + option + F.
It does NOT appear when you use ⌘ + shift + F.
Note: this will replace all instances of '0' with '255'. If you wante...
How to get whole and decimal part of a number?
...
180
$n = 1.25;
$whole = floor($n); // 1
$fraction = $n - $whole; // .25
Then compare against ...
Why are flag enums usually defined with hexadecimal values
...bit shifts seems the most clear:
[Flags]
public enum MyEnum
{
None = 0,
Flag1 = 1 << 0,
Flag2 = 1 << 1,
Flag3 = 1 << 2,
Flag4 = 1 << 3,
Flag5 = 1 << 4
}
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When is the thread pool used?
...the thread pool is required and created: process.env.UV_THREADPOOL_SIZE = 10;
If you want traditional multi-processing or multi-threading in node, you can get it through the built in cluster module or various other modules such as the aforementioned webworker-threads, or you can fake it by imple...
trying to align html button at the center of the my page [duplicate]
...
150
Here's your solution: JsFiddle
Basically, place your button into a div with centred text:
<...
How can I declare and use Boolean variables in a shell script?
...
Revised Answer (Feb 12, 2014)
the_world_is_flat=true
# ...do something interesting...
if [ "$the_world_is_flat" = true ] ; then
echo 'Be careful not to fall off!'
fi
Original Answer
Caveats: https://stackoverflow.com/a/21210966/89391
the_w...
Check if string contains only whitespace
... |
edited Jun 26 at 20:31
AMC
2,22866 gold badges1010 silver badges2828 bronze badges
answered Mar ...
How to create a numpy array of all True or all False?
...mpy.zeros((2, 2))
Since True and False are represented in Python as 1 and 0, respectively, we have only to specify this array should be boolean using the optional dtype parameter and we are done.
numpy.ones((2, 2), dtype=bool)
returns:
array([[ True, True],
[ True, True]], dtype=bool)
...
How to center a button within a div?
I have a div that's width is 100%.
14 Answers
14
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How to stop an app on Heroku?
...ectively takes all your app http-processes offline.
$ heroku ps:scale web=0
Scaling web processes... done, now running 0
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