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从Code Review 谈如何做技术 - 更多技术 - 清泛网 - 专注C/C++及内核技术
从Code Review 谈如何做技术这两天，在微博上表达了一下Code Review的重要性。因为翻看了阿里内部的Review Board上的记录，从上面发现Code Review做得好的是一些比...这两天，在微博上表达了一下Code Review的重要性。因为翻看了阿里内部...
Which comment style should I use in batch files?
I've been writing some batch files, and I ran into this user guide , which has been quite informative. One thing it showed me was that lines can be commented not just with REM , but also with :: . It says:
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How can I get the concatenation of two lists in Python without modifying either one? [duplicate]
In Python, the only way I can find to concatenate two lists is list.extend , which modifies the first list. Is there any concatenation function that returns its result without modifying its arguments?
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Create a “with” block on several context managers? [duplicate]
Suppose you have three objects you acquire via context manager, for instance A lock, a db connection and an ip socket.
You can acquire them by:
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Why is address zero used for the null pointer?
In C (or C++ for that matter), pointers are special if they have the value zero: I am adviced to set pointers to zero after freeing their memory, because it means freeing the pointer again isn't dangerous; when I call malloc it returns a pointer with the value zero if it can't get me memory; I use ...
How do you convert a byte array to a hexadecimal string, and vice versa?
How can you convert a byte array to a hexadecimal string, and vice versa?
45 Answers
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How to send a command to all panes in tmux?
I like to call :clear-history on panes with a huge scrollback. However, I want to script a way to send this command to all the panes in the various windows.
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Run function from the command line
I have this code:
16 Answers
16
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What static analysis tools are available for C#? [closed]
What tools are there available for static analysis against C# code? I know about FxCop and StyleCop. Are there others? I've run across NStatic before but it's been in development for what seems like forever - it's looking pretty slick from what little I've seen of it, so it would be nice if it would...
淘宝应对双\"11\"的技术架构分析 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...生的数据，通过淘宝自主研发的数据传输组件DataX、DbSync和Timetunnel准实时地传输到一个有1500个节点的Hadoop集群上，这个集群我们称之为“云梯”，是计算层的主要组成部分。在“云梯”上，我们每天有大约40000个作业对1.5PB的原...