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How to get process ID of background process?
I start a background process from my shell script, and I would like to kill this process when my script finishes.
7 Answers...
Is there a Unix utility to prepend timestamps to stdin?
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For OS X, brew install moreutils. To output UTC, you can set TZ locally, e.g. ls -l |TZ=UTC ts '%Y-%m-%dT%H:%M:%SZ'
– karmakaze
Jan 25 '16 at 19:52
1
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how to show lines in common (reverse diff)?
.... I find grep to be more admin-friendly than comm, so if you just want the set of matching lines (useful for comparing CSVs, for instance) simply use
grep -F -x -f file1 file2
or the simplified fgrep version
fgrep -xf file1 file2
Plus, you can use file2* to glob and look for lines in common wi...
Passing data between a fragment and its container activity
... savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_my);
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}
public String getMyData() {
return myString;
}
}
Fragment:
public class MyFragment extends Fragment {
@Override
public View onCreateView(Lay...
NumPy: function for simultaneous max() and min()
...the same for the min value. If I want to find both max and min, I have to call both functions, which requires passing over the (very big) array twice, which seems slow.
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Is there a __CLASS__ macro in C++?
Is there a __CLASS__ macro in C++ which gives the class name similar to __FUNCTION__ macro which gives the function name
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Changing MongoDB data store directory
Until now I have not been specifying a MongoDB data directory and have had only one 30 GB primary partition.
9 Answers
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Is there a function to make a copy of a PHP array to another?
Is there a function to make a copy of a PHP array to another?
19 Answers
19
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Detecting an undefined object property
... Any non-default context can also overwrite, say, Math, or Object, or setTimeout, or literally anything that you expect to find in the global scope by default.
– CherryDT
Mar 17 at 21:21
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Remove all classes that begin with a certain string
I have a div with id="a" that may have any number of classes attached to it, from several groups. Each group has a specific prefix. In the javascript, I don't know which class from the group is on the div. I want to be able to clear all classes with a given prefix and then add a new one. If I want...