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When should you use constexpr capability in C++11?
...t b ) { return a * b; }
const int meaningOfLife = MeaningOfLife( 6, 7 );
Now you have something that can be evaluated down to a constant while maintaining good readability and allowing slightly more complex processing than just setting a constant to a number.
It basically provides a good aid to ma...
How to change the name of a Django app?
...naming its folder, imports and all its references (templates/indexes). But now I get this error when I try to run python manage.py runserver
...
Pass data to layout that are common to all pages
...ed to always have view models. Also, I'd argue that developers needing to know that they must always inherit their view models from a base is a disadvantage.
– Josh Noe
Nov 5 '15 at 0:13
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How can I save a screenshot directly to a file in Windows? [closed]
...
Little known fact: in most standard Windows (XP) dialogs, you can hit Ctrl+C to have a textual copy of the content of the dialog.
Example: open a file in Notepad, hit space, close the window, hit Ctrl+C on the Confirm Exit dialog, ca...
Auto layout constraints issue on iOS7 in UITableViewCell
... iOS 7 changed a lot of things around table view cells. On iOS 7, there is now a scroll view (of type UITableViewCellScrollView) in between the table view cell and the contentView; that likely explains the difference between iOS 6 and 7 here.
– smileyborg
Nov 1...
How do I create a simple 'Hello World' module in Magento?
...el. I might have time later for the model/template related topics, but for now, I don't. I will, however, briefly speak to your SQL question.
Magento uses an EAV database architecture. Whenever possible, try to use the model objects the system provides to get the information you need. I know it's a...
How can I use numpy.correlate to do autocorrelation?
... (There's probably a formal term for this, but I'm gonna use "partial" for now).
I've created 5 functions that compute auto-correlation of a 1d array, with partial v.s. non-partial distinctions. Some use formula from statistics, some use correlate in the signal processing sense, which can also be ...
How to backup a local Git repository?
... + directory
else unless $?.exitstatus == 0 then raise( 'fatal: unknown exit status from git-config: ' + $?.exitstatus ) end
end
# verify directory exists
unless File::directory?( directory )
raise( 'fatal: backup directory does not exists: ' + directory )
end
# The date and time p...
How do I base64 encode (decode) in C?
...
I know this question is quite old, but I was getting confused by the amount of solutions provided - each one of them claiming to be faster and better. I put together a project on github to compare the base64 encoders and decode...
How do you echo a 4-digit Unicode character in Bash?
... That's true. I discovered i was using LANG=C instead of LANG=en_US.UTF-8. Now my terminals in Gnome show the symbols properly... The real terminals (tty1-6) still don't though.
– trusktr
Oct 3 '12 at 0:09
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