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How to check if std::map contains a key without doing insert?
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answered Oct 7 '10 at 23:15
PotatoswatterPotatoswatter
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Remove non-numeric characters (except periods and commas) from a string
... characters and the comma and period/full stop as follows:
$testString = '12.322,11T';
echo preg_replace('/[^0-9,.]+/', '', $testString);
The pattern can also be expressed as /[^\d,.]+/
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imp...
How to secure an ASP.NET Web API [closed]
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296
Update:
I have added this link to my other answer how to use JWT authentication for ASP.NET ...
How to exit an if clause
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102
(This method works for ifs, multiple nested loops and other constructs that you can't break from...
Control the dashed border stroke length and distance between strokes
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23
Css render is browser specific and I don't know any fine tuning on it, you should work with ima...
Callback to a Fragment from a DialogFragment
...NT:
DialogFragment dialogFrag = MyDialogFragment.newInstance(123);
dialogFrag.setTargetFragment(this, DIALOG_FRAGMENT);
dialogFrag.show(getFragmentManager().beginTransaction(), "dialog");
break;
}
}
@Override
public void onActivityResult(int req...
Multi-line string with extra space (preserved indentation)
...ram like ex or cat
cat << EndOfMessage
This is line 1.
This is line 2.
Line 3.
EndOfMessage
The string after << indicates where to stop.
To send these lines to a file, use:
cat > $FILE <<- EOM
Line 1.
Line 2.
EOM
You could also store these lines to a variable:
read -r -d...
How to download an entire directory and subdirectories using wget?
...get -r --no-parent http://abc.tamu.edu/projects/tzivi/repository/revisions/2/raw/tzivi/
The Parameters are:
-r //recursive Download
and
--no-parent // Don´t download something from the parent directory
If you don't want to download the entire content, you may use:
-l1 just download...
What is a “cache-friendly” code?
... and expensive and super slow and cheap are the cache memories, named L1, L2, L3 in decreasing speed and cost. The idea is that most of the executing code will be hitting a small set of variables often, and the rest (a much larger set of variables) infrequently. If the processor can't find the data ...
How to REALLY show logs of renamed files with git?
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answered Apr 21 '11 at 12:11
CB BaileyCB Bailey
610k9090 gold badges596596 silver badges628628 bronze badges
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