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Struct Constructor in C++?
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485
In C++ the only difference between a class and a struct is that members and base classes are pri...
Deleting all records in a database table
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251
If you are looking for a way to it without SQL you should be able to use delete_all.
Post.del...
Which is better in python, del or delattr?
...to the first running slightly faster (but it's not a huge difference – .15 μs on my machine).
Like the others have said, you should really only use the second form when the attribute that you're deleting is determined dynamically.
[Edited to show the bytecode instructions generated inside a fun...
How to format a floating number to fixed width in Python
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525
for x in numbers:
print "{:10.4f}".format(x)
prints
23.2300
0.1233
1.0000
...
I need to generate uuid for my rails application. What are the options(gems) I have? [duplicate]
I use
Rails 3.0.20 and
ruby 1.8.7 (2011-06-30 patchlevel 352)
4 Answers
4
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When to use self over $this?
In PHP 5, what is the difference between using self and $this ?
23 Answers
23
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What is the difference between --save and --save-dev?
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answered Jul 11 '15 at 15:56
Tuong LeTuong Le
14.8k66 gold badges4242 silver badges4343 bronze badges
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Rename a file in C#
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Chris TaylorChris Taylor
47.5k88 gold badges6868 silver badges8585 bronze badges
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Get the first item from an iterable that matches a condition
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514
In Python 2.6 or newer:
If you want StopIteration to be raised if no matching element is foun...