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Regular expression that matches valid IPv6 addresses
...he link local section. you had fe80 where it should be something like [fF][eE]80 and a ffff which should be something like [fF]{4}
– user2831628
Mar 25 '15 at 11:35
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Should logger be private static or not
Should logger be declared static or not? Usually I've seen two types of declaration for a logger :
4 Answers
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Multiple aggregations of the same column using pandas GroupBy.agg()
...@Ben I think you must use a rename afterwards. example by Tom Augspurger (see cell 25)
– Stewbaca
Jan 14 '16 at 17:22
1
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成功熬了四年还没死？一个IT屌丝创业者的深刻反思 - 资讯 - 清泛网 - 专注C...
...果官方推荐区免费榜的第一位，那段时间每天四五千iPhone安装量，结果一路烧钱，到最后濒临关闭;而如今，我只需把自己从纯纯的互联网降级下来，做一些看起来有些“低级”的项目，居然就能立即实现收支平衡。
除此以外...
What is the ultimate postal code and zip regex?
...something like 10000|10001|10002|10003|.......
– Kibbee
Feb 23 '09 at 17:17
for validating a field go here regexlib.co...
创业测试：50个迹象表明你真该创业了 - 资讯 - 清泛网 - 专注C/C++及内核技术
...方的水管裂开后， 你不仅能把它修好，并且还能比之前安装的更好。你可以将此看做是你可以着手创业的信号。
34.你喜欢汲取新技能和知识。有些人对于新技能和知识有着难以抑制的学习渴望。但是在年复一年的相同工作中，...
Avoiding if statement inside a for loop?
...he same. This is against "worrying about the performance".
If this is indeed the case, the branch predictor will have no problem in predicting the (constant) result. As such, this will only cause a mild overhead for mispredictions in the first few iterations. It's nothing to worry about in terms o...
ZMQ: 基本原理 - 开源 & Github - 清泛网 - 专注C++内核技术
...传输仍然保留它们本身的特性，向上不提供通用、所有都包含的接口。然而，提供最小化接口（尤其是：消息分割，消息分段和消息原子化），并且要求更高层能够统一地处理不同的底层传输的特性。 具体的来说，这意味着传...
由12306.cn谈谈网站性能技术 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...1500字节，光纤可以达到4000多个字节，如果你的一个网络包没有放满这个MTU，那就是在浪费网络带宽，因为网卡的驱动程序只有一块一块地读效率才会高。因此，网络发包时，我们需要收集到足够多的信息后再做网络I/O，这也是...
How to resolve merge conflicts in Git?
...Step 2: Run following command in terminal
git mergetool
Step 3: You will see a vimdiff display in following format
╔═══════╦══════╦════════╗
║ ║ ║ ║
║ LOCAL ║ BASE ║ REMOTE ║
║ ║ ║ ...