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Extract directory from path
...f the file I am working with. For example, the file = "stuff/backup/file.zip" . I need a way to get the string " stuff/backup/ " from the variable $file .
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How to convert AAR to JAR
...consists of a JAR file and some resource files (it is basically a standard zip file with a custom file extension). Here are the steps to convert:
Extract the AAR file using standard zip extract (rename it to *.zip to make it easier)
Find the classes.jar file in the extracted files
Rename it as you...
How to download .zip from GitHub for a particular commit sha?
I want to download a .zip with the source of a library hosted on github, but I don't want the master, because every time I download I could be downloading a different version.
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How to avoid .pyc files?
...ric. I don't know if you realize this, but you can do the following:
$ unzip -l /tmp/example.zip
Archive: /tmp/example.zip
Length Date Time Name
-------- ---- ---- ----
8467 11-26-02 22:30 jwzthreading.py
-------- -------
8467 ...
What's the 'Ruby way' to iterate over two arrays at once
...actual = [ 120, 100, 50, 100 ]
=> [120, 100, 50, 100]
>> @budget.zip @actual
=> [[100, 120], [150, 100], [25, 50], [105, 100]]
>> @budget.zip(@actual).each do |budget, actual|
?> puts budget
>> puts actual
>> end
100
120
150
100
25
50
105
100
=> [[100, 120],...
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...
...了。3年后终于做到了五百万用户。对于年轻人来说，能把五百万人玩弄于鼓掌之间，已经是很牛逼轰轰的事了。
不过用户越多，成本越高。每年服务器、带宽租金、房租水电、广告运营等成本，已经达到了十七八万。
屌...
2015年硅谷最火的高科技创业公司都有哪些 - 资讯 - 清泛网 - 专注C/C++及内核技术
...联网创新最具有活力的地区。越来越多的创业者、投资人把眼光投向了硅谷，寻找创业的机会。
是美国互联网厉害？还是中国互联网市场牛逼？答案各有千秋，但毫无疑问，硅谷仍然是全世界互联网创新最具有活力的地区。越...
TCP 的那些事儿（上） - 更多技术 - 清泛网 - 专注C/C++及内核技术
...三个，
一个是想锻炼一下自己是否可以用简单的篇幅把这么复杂的TCP协议描清楚的能力。
另一个是觉得现在的好多程序员基本上不会认认真真地读本书，喜欢快餐文化，所以，希望这篇快餐文章可以让你对TCP这个古典技术有...
Viewing contents of a .jar file
...
I usually open them with 7-Zip... It allows at least to see packages and classes and resources.
Should I need to see methods or fields, I would use Jad but of course, it is better to rely on (good) JavaDoc...
Now, somewhere on SO was mentioned some Ec...
Most efficient way to store thousand telephone numbers
...
Here's an improvement to aix's answer. Consider using three "layers" for the data structure: the first is a constant for the first five digits (17 bits); so from here on, each phone number has only the remaining five digits left. We view these remain...