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What is the best way to call a script from another script?
...
This doesn't really answer the question though, does it? You aren't executing the whole script, you're executing some functions from within the script that you import.
– gented
Mar 22 '17 at ...
What's a concise way to check that environment variables are set in a Unix shell script?
...-empty}"
To illustrate why, study the following. Note that the : command doesn't echo its arguments (but the shell does evaluate the arguments). We want to see the arguments, so the code below uses printf "%s\n" in place of :.
$ mkdir junk
$ cd junk
$ > abc
$ > def
$ > ghi
$
$ x="*"
$ p...
How can I wrap text in a label using WPF?
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The Label control doesn't directly support text wrapping in WPF. You should use a TextBlock instead. (Of course, you can place the TextBlock inside of a Label control, if you wish.)
Sample code:
<TextBlock TextWrapping="WrapWithOverflow"&...
What does @hide mean in the Android source code?
... } catch (RemoteException e) {
// Should never happen, but if it does... deny!
Slog.e(TAG, "PackageManager is dead?!?", e);
}
return PackageManager.PERMISSION_DENIED;
}
However, we can call it by reflection:
Class c;
c = Class.forName("android.app.ActivityManager");
Met...
Java 8 Iterable.forEach() vs foreach loop
...s to be optimized. Any parallel code has to be thought through (even if it doesn't use locks, volatiles, and other particularly nasty aspects of traditional multi-threaded execution). Any bug will be tough to find.
Might hurt performance, because the JIT can't optimize forEach()+lambda to the same ...
How to define hash tables in Bash?
...e script with bash script. (Not actually executing a Bash script with Bash does happen, and will be really confusing!)
You declare an associative array by doing:
declare -A animals
You can fill it up with elements using the normal array assignment operator. For example, if you want to have a map...
What does “DAMP not DRY” mean when talking about unit tests?
..., in that readability is more important than avoiding redundant code.
What does this mean and where to use it?
DAMP mostly applies when writing test code. Test code should be very easy to understand to the point that some redundancy is acceptable.
...
What does an underscore in front of an import statement mean?
...ost-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f21220077%2fwhat-does-an-underscore-in-front-of-an-import-statement-mean%23new-answer', 'question_page');
}
);
Post as a guest
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How the single threaded non blocking IO model works in Node.js
... a final remark, the phrase "everything runs in parallel except your code" does a decent job of capturing the point that node allows your code to handle requests from hundreds of thousands open socket with a single thread concurrently by multiplexing and sequencing all your js logic in a single stre...
What does the variable $this mean in PHP?
...e of scope. inside the function $name is Tom, but outside the function, it doesn't have any value, because its scope is limited to that of the function.
– dearsina
May 24 at 15:33
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