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Difference between Select and ConvertAll in C#
...implemented only by List<T>. The ConvertAll method exists since .NET 2.0 whereas LINQ was introduced with 3.5.
You should favor Select over ConvertAll as it works for any kind of list, but they do the same basically.
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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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How to REALLY show logs of renamed files with git?
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answered Apr 21 '11 at 12:11
CB BaileyCB Bailey
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How to solve “Fatal error: Class 'MySQLi' not found”?
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ETag vs Header Expires
...ient request, the server can then determine whether to send the file (HTTP 200) or tell the client to just use their local copy (HTTP 304). An ETag is basically just a checksum for a file that semantically changes when the content of the file changes.
The Expires header is used by the client (and ...
Passing ssh options to git clone
...st host
HostName host
User user
SshOption1 Value1
SshOption2 Value2
The Host entry is what you’ll specify on the command line, and the HostName is the true hostname. They can be the same, or the Host entry can be an alias. The User entry is used if you do not specify user@ on the...
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...