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Using std Namespace
... a more obscure 'can't convert argument X' or 'unable to generate function from template' style error. Worse is if a wrong function gets called silently. It's rare, but happens.
– CB Bailey
Aug 12 '09 at 21:47
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How to set a value of a variable inside a template code?
...e_action.py inside of the templatetags directory with the following code:
from django import template
register = template.Library()
@register.simple_tag
def define(val=None):
return val
Note: Development server won’t automatically restart. After adding the templatetags module, you will need ...
Difference between .success() and .complete()?
...ays when the request is complete. (no matter, it is success/error response from server.)
So,
when there is success response from server: complete() and success() is called.
when there is error response from server: complete() and error() is called.
For what purpose you can use complete(): s...
How to convert Strings to and from UTF8 byte arrays in Java
...
Convert from String to byte[]:
String s = "some text here";
byte[] b = s.getBytes(StandardCharsets.UTF_8);
Convert from byte[] to String:
byte[] b = {(byte) 99, (byte)97, (byte)116};
String s = new String(b, StandardCharsets.US_A...
Difference between 'python setup.py install' and 'pip install'
I have an external package I want to install into my python virtualenv from a tar file.
What is the best way to install the package?
...
How to Rotate a UIImage 90 degrees?
...rc drawAtPoint:CGPointMake(0, 0)];
UIImage *image = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();
return image;
}
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Should I compile release builds with debug info as “full” or “pdb-only”?
...
@AllonGuralnek quote from the linked John Robbins article: The real reason: history. Back in .NET 1.0 there were differences, but in .NET 2.0 there isn't. It looks like .NET 4.0 will follow the same pattern. After double-checking with the CLR Deb...
How to set the thumbnail image on HTML5 video?
...
The issue with this is that the video starts from specified #t=0.5. Say if you wanted thumbnail from t=8 well then vid would start from 8th second which is not ideal is it :)
– Marko
Apr 18 '19 at 10:31
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How can I recall the argument of the previous bash command?
... to access previous commands.
Other useful commands:
!$ - last argument from previous command
!^ - first argument (after the program/built-in/script) from previous command
!! - previous command (often pronounced "bang bang")
!n - command number n from history
!pattern - most recent command matchi...
C# Thread safe fast(est) counter
...o (x64).
This "bus lock" statement locks the bus to prevent another CPU from accessing the bus while the calling CPU does its operation. Now, take a look at the C# lock() statement's IL. Here you will see calls to Monitor in order to begin or end a section.
In other words, .Net lock() statemen...