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When are you truly forced to use UUID as part of the design?
... pulled from a cryptographically secure random number generator, with some bit-twiddling to identify the UUID version and variant. These are extremely unlikely to collide, but it could happen if a PRNG is used or if you just happen to have really, really, really, really, really bad luck.
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Why does Python use 'magic methods'?
I've been playing around with Python recently, and one thing I'm finding a bit odd is the extensive use of 'magic methods', e.g. to make its length available, an object implements a method, def __len__(self) , and then it is called when you write len(obj) .
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Platform independent size_t Format specifiers in c?
...variable types on different architectures. For example, on one machine (64-bit) the following code does not throw any warnings:
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Content Security Policy “data” not working for base64 Images in Chrome 28
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I think URLs are a bit awkward to parse in general.
– user824425
Nov 6 '13 at 11:43
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clang error: unknown argument: '-mno-fused-madd' (python package installation failure)
...following error when attempting to install psycopg2 via pip on Mavericks 10.9:
14 Answers
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Lua简明教程 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...注释
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变量
Lua的数字只有double型，64bits，你不必担心Lua处理浮点数会慢（除非大于100,000,000,000,000），或是会有精度问题。
你可以以如下的方式表示数字，0x开头的16进制和C是很像的。
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Assign pandas dataframe column dtypes
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like type.convert in R a little bit; nice but does leave one wishing for explicit specifications in some cases.
– hatmatrix
Jan 19 '14 at 1:58
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How to flush output of print function?
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Using the -u command-line switch works, but it is a little bit clumsy. It would mean that the program would potentially behave incorrectly if the user invoked the script without the -u option. I usually use a custom stdout, like this:
class flushfile:
def
File size exceeds configured limit (2560000), code insight features not available
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I am using the 64-bit executable and adding it to idea.properties didn't apply the change. Adding the newline as described above fixed this for me. Should there be a comparable idea64.properties file?
– Noremac
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What is a typedef enum in Objective-C?
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Update for 64-bit Change:
According to apple docs about 64-bit changes,
Enumerations Are Also Typed : In the LLVM compiler, enumerated types can
define the size of the enumeration. This means that some enumerated
types may also hav...