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Performance difference for control structures 'for' and 'foreach' in C#
Which code snippet will give better performance? The below code segments were written in C#.
9 Answers
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TSQL - Cast string to integer or return default value
...TE FUNCTION dbo.TryConvertInt(@Value varchar(18))
RETURNS int
AS
BEGIN
SET @Value = REPLACE(@Value, ',', '')
IF ISNUMERIC(@Value + 'e0') = 0 RETURN NULL
IF ( CHARINDEX('.', @Value) > 0 AND CONVERT(bigint, PARSENAME(@Value, 1)) <> 0 ) RETURN NULL
DECLARE @I bigint =
C...
Android: How to enable/disable option menu item on button click?
...reOptionsMenu (Menu menu) {
if (isFinalized) {
menu.getItem(1).setEnabled(false);
// You can also use something like:
// menu.findItem(R.id.example_foobar).setEnabled(false);
}
return true;
}
On Android 3.0 and higher, the options menu is considered to always be...
gcc makefile error: “No rule to make target …”
I'm trying to use GCC (linux) with a makefile to compile my project.
17 Answers
17
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how to release localhost from Error: listen EADDRINUSE
...ver written in nodejs on windows 7
and when i try to run the tester in the command line i get the following error
28 Answer...
Can vim monitor realtime changes to a file
...
You can :set autoread so that vim reads the file when it changes. However (depending on your platform), you have to give it focus.
From the help:
When a file has been detected to have
been changed outside of Vim and it
has ...
How can I see incoming commits in git? [duplicate]
How can I see incoming commits in git? Or even better, see what I just git fetch / git pull ed?
5 Answers
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SSH configuration: override the default username [closed]
...t example
HostName example.net
User buck
The second example will set a username and is hostname specific, while the first example sets a username only. And when you use the second one you don't need to use ssh example.net; ssh example will be enough.
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Grunt watch error - Waiting…Fatal error: watch ENOSPC
Why do I get the Waiting...Fatal error: watch ENOSPC when I run the watch task ?
How do I solve this issue?
7 Answers
...
Uncaught Error: SECURITY_ERR: DOM Exception 18 when I try to set a cookie
I get the following error in Chrome's developer tools window when I try to set a cookie using this jQuery plugin:
9 Answe...