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printf format specifiers for uint32_t and size_t
... -1, sorry it's not portable. All that's needed is that the format specifiers and the types agree, and you can always cast to make that true. long is at least 32bits, so %lu together with (unsigned long)k is always correct. size_t is trickier, which is why %zu was added in C99. If you can't use ...
Weak and strong property setter attributes in Objective-C
What is the difference between weak and strong property setter attributes in Objective-C?
5 Answers
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How can you dynamically create variables via a while loop? [duplicate]
...h and others... Creating an item (key,value) in a dictionary a isn't very different from creating the same in locals() or globals() that are implemented as dictionaries too. I wonder why I have been downvoted by some downvote sniper for my answer creating an item in globals() while the answer of Gin...
What is the difference between “long”, “long long”, “long int”, and “long long int” in C++?
...ng x; . However, in C++, it seems that long is both a data type and a modifier.
6 Answers
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Which is the preferred way to concatenate a string in Python?
...esulting string is a million characters long, appending was still faster.
Now let's try with appending a thousand character long string a hundred thousand times:
a += b:
0.41823482513427734
a.append(b):
0.010656118392944336
The end string, therefore, ends up being about 100MB long. That was pret...
Multiple github accounts on the same computer?
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The 3rd link is now broken (Multiple SSH Keys)
– RustyTheBoyRobot
Jun 1 '12 at 14:25
12
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When should I use ugettext_lazy?
...gettext_lazy too? What about form definitions?
Are there any performance diffrences between them?
3 Answers
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Getting a better understanding of callback functions in JavaScript
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You can just say
callback();
Alternately you can use the call method if you want to adjust the value of this within the callback.
callback.call( newValueForThis);
Inside the function this would be whatever newValueForThis is.
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How do you read a file into a list in Python? [duplicate]
...ith ends, the file will be closed automatically for you. This is true even if an exception is raised inside of it.
2. use of list comprehension
This could be considered inefficient as the file descriptor might not be closed immediately. Could be a potential issue when this is called inside a funct...
How to log out user from web site using BASIC authentication?
... @davidjb Since synchronous requests are considered deprecated now, an alternative solution might be to redirect the user in the callback of the async request.
– Hayden Schiff
Jul 31 '15 at 20:20
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