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Do try/catch blocks hurt performance when exceptions are not thrown?
... {
Console.WriteLine(ex.ToString());
}
finally
{
d = Math.Sin(d);
}
}
w.Stop();
Console.Write(" try/catch/finally: ");
Console.WriteLine(w.ElapsedMilliseconds);
w.Reset();
d = 0;
w.Start();
for (int i = ...
How do I get the result of a command in a variable in windows?
...
If you have to capture all the command output you can use a batch like this:
@ECHO OFF
IF NOT "%1"=="" GOTO ADDV
SET VAR=
FOR /F %%I IN ('DIR *.TXT /B /O:D') DO CALL %0 %%I
SET VAR
GOTO END
:ADDV
SET VAR=%VAR%!%1
:END
All output lines are stor...
What is “thread local storage” in Python, and why do I need it?
In Python specifically, how do variables get shared between threads?
5 Answers
5
...
How do I add a placeholder on a CharField in Django?
...
Look at the widgets documentation. Basically it would look like:
q = forms.CharField(label='search',
widget=forms.TextInput(attrs={'placeholder': 'Search'}))
More writing, yes, but the separation allows for better abstraction of more complic...
How to select only the records with the highest date in LINQ
...
@JasonL, no. The First() call should apply to the g.Order... expression (subquery).
– Mehrdad Afshari
Aug 29 '13 at 8:04
1
...
Why can't I overload constructors in PHP?
I have abandoned all hope of ever being able to overload my constructors in PHP, so what I'd really like to know is why .
...
What are libtool's .la file for?
... # Static library
/lib/libfoo.la # libtool library
/bin/cygfoo_1.dll # DLL
Under Windows MinGW:
/lib/libfoo.dll.a # Import library
/lib/libfoo.a # Static library
/lib/libfoo.la # 'libtool' library
/bin/foo_1.dll # DLL
So libfoo.la is the only file that is p...
How to raise a ValueError?
...trates how to raise a ValueError the way you want. By-the-way, I think find_last(), find_last_index(), or something simlar would be a more descriptive name for this function. Adding to the possible confusion is the fact that Python already has a container object method named __contains__() that does...
What do commas and spaces in multiple classes mean in CSS?
..._12 .grid_6,
.container_16 .grid_8 {
width: 460px;
}
That says "make all .grid_6's within .container_12's and all .grid_8's within .container_16's 460 pixels wide." So both of the following will render the same:
<div class="container_12">
<div class="grid_6">460px Wide</div&g...
Store JSON object in data attribute in HTML jQuery
...in the text just use $('#myElement').data('key',jsonObject);
it won't actually be stored in the html, but if you're using jquery.data, all that is abstracted anyway.
To get the JSON back don't parse it, just call:
var getBackMyJSON = $('#myElement').data('key');
If you are getting [Object Objec...