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What is AF_INET, and why do I need it?
...tion. AF stands for Address Family.
As in BSD standard Socket (adopted in Python socket module) addresses are represented as follows:
A single string is used for the AF_UNIX/AF_LOCAL address family. This option is used for IPC on local machines where no IP address is required.
A pair (host, port)...
Behaviour of increment and decrement operators in Python
...optimize their code is usually frowned upon, especially in a language like Python that is designed to be consistent and readable.
Confusing side-effects. One common newbie error in languages with ++ operators is mixing up the differences (both in precedence and in return value) between the pre- and ...
Java: Equivalent of Python's range(int, int)?
Does Java have an equivalent to Python's range(int, int) method?
13 Answers
13
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Any gotchas using unicode_literals in Python 2.6?
We've already gotten our code base running under Python 2.6. In order to prepare for Python 3.0, we've started adding:
6 A...
Why is the use of alloca() not considered good practice?
...
The answer is right there in the man page (at least on Linux):
RETURN VALUE
The alloca() function returns a pointer to the beginning of the
allocated space. If the
allocation causes
stack overflow, program behaviour is undefined.
Which isn't to s...
How to base64 encode image in linux bash / shell
...
There is a Linux command for that: base64
base64 DSC_0251.JPG >DSC_0251.b64
To assign result to variable use
test=`base64 DSC_0251.JPG`
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Java or Python for Natural Language Processing [closed]
...programming language is better for natural language processing. Java or Python ? I have found lots of questions and answers regarding about it. But I am still lost in choosing which one to use.
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Swift 和 .Net 开源，回顾 2015 年 9 大开源事件 - 开源 & Github - 清泛网 - 专注IT技能提升
...stories-of-2015Swift .Net原文出处：CIO-Swapnil Bhartiya译文出处：Linux story2015 年只剩下一周了，回过头看看发现 2015 异彩纷呈，称为开源之年也不过分。...2015年只剩下一周了，回过头看看发现2015异彩纷呈，称为开源之年也不过分。企业...
.a: error adding symbols: File format not recognized 原因 - 操作系统(...
...format not recognized 原因error-adding-symbols-file-format-not-recognizedlinux,gccLinux编译链接时报错：xxx a: error adding symbols: File format not recognized。也可能出现编译能通过，但ldd报链接失败不能运行。原因是：在低版本Linux GCC上编译工程 Linux编...
How to upgrade R in ubuntu? [closed]
...ages will be retrieved. For example:
deb https://cloud.r-project.org/bin/linux/ubuntu/ version/
Replace https://cloud.r-project.org with whatever mirror you would like to use, and replace
version/ with whatever version of Ubuntu you are using (eg, trusty/, xenial/, and so on). If you're getting ...