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What does “export” do in shell programming? [duplicate]
...ed variable
$ env | grep '^other_variable='
other_variable=Goodbye
$
For more information, see the entry for the export builtin in the GNU Bash manual, and also the sections on command execution environment and environment.
Note that non-exported variables will be available to subshells run via (...
do N times (declarative syntax)
...);
Update:
Taken from filling-arrays-with-undefined
This seems to be a more optimised way of creating the initial array, I've also updated this to use the second parameter map function suggested by @felix-eve.
Array.from({ length: 3 }, (x, i) => {
something();
});
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Amazon S3 boto - how to create a folder?
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Access mysql remote database from command line
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How to remove leading and trailing white spaces from a given html string?
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Convert RGB to RGBA over white
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@Christoph: The principle would be the same, but more complicated. Instead of just using the lowest component to calculate the alpha, you would calculate the lowest possible alpha for each component (i.e. what alpha value to use to get the right color when using either 0 or...
Drop rows with all zeros in pandas data frame
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Why do I get a warning icon when I add a reference to an MEF plugin project?
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Overriding == operator. How to compare to null? [duplicate]
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Scheduling recurring task in Android
... For normal timing operations (ticks, timeouts, etc) it is easier and much more efficient to use Handler.
Timer
timer = new Timer();
timer.scheduleAtFixedRate(new TimerTask() {
synchronized public void run() {
\\ here your todo;
}
}}, TimeUnit.MINUTES....