大约有 31,840 项符合查询结果（耗时：0.0489秒） [XML]
Python List vs. Array - when to use?
...ous data (that is to say, all of the same type) and so it uses only sizeof(one object) * length bytes of memory. Mostly, you should use it when you need to expose a C array to an extension or a system call (for example, ioctl or fctnl).
array.array is also a reasonable way to represent a mutable st...
How to view the assembly behind the code using Visual C++?
...l note: there is big difference between Debug assembler output and Release one. The first one is good to learn how compiler produces assembler code from C++. The second one is good to learn how compiler optimizes various C++ constructs. In this case some C++-to-asm transformations are not obvious.
...
Meaning of “[: too many arguments” error from if [] (square brackets)
I couldn't find any one simple straightforward resource spelling out the meaning of and fix for the following BASH shell error, so I'm posting what I found after researching it.
...
typedef struct vs struct definitions [duplicate]
...using typedef, like the OP did it in his question: typedef struct{ int one; int two; }myStruct;. Someones say it is because of forward declaration, but in this comment another user said this is also possible with typedefs. Is there a reason to not omit it?
– RobertS sup...
How to find the largest file in a directory and its subdirectories?
...
for the first one, how do you get the size in a human readable format?
– Bluz
Oct 18 '16 at 15:54
...
Python's json module, converts int dictionary keys to strings
...
This is one of those subtle differences among various mapping collections that can bite you. JSON treats keys as strings; Python supports distinct keys differing only in type.
In Python (and apparently in Lua) the keys to a mapping...
How to revert a merge commit that's already pushed to remote branch?
git revert <commit_hash> alone won't work. -m must be specified, and I'm pretty confused about it.
16 Answers
...
Daylight saving time and time zone best practices [closed]
... to store both the UTC time and the equivalent local time. Often this is done with two separate fields, but some platforms support a datetimeoffset type that can store both in a single field.
When storing timestamps as a numeric value, use Unix time - which is the number of whole seconds since 1970...
Sample settings.xml for maven
...TF-8"?>
<!--
Licensed to the Apache Software Foundation (ASF) under one
or more contributor license agreements. See the NOTICE file
distributed with this work for additional information
regarding copyright ownership. The ASF licenses this file
to you under the Apache License, Version 2.0 (t...
No Multiline Lambda in Python: Why not?
... , [1,2,3])
Is this a lambda returning (y, [1,2,3]) (thus map only gets one parameter, resulting in an error)? Or does it return y? Or is it a syntax error, because the comma on the new line is misplaced? How would Python know what you want?
Within the parens, indentation doesn't matter to pytho...