大约有 40,000 项符合查询结果（耗时：0.1350秒） [XML]
Number of occurrences of a character in a string [duplicate]
...m trying to get the number of occurrences of a certain character such as & in the following string.
6 Answers
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Difference between “or” and || in Ruby? [duplicate]
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Here's a ruby operator precedence table.
See this question for another example using and/&&.
Also, be aware of some nasty things that could happen:
a = false || true #=> true
a #=> true
a = false or true #=> true
a #=> false
Both of the previous two statements evaluat...
How to convert .crt to .pem [duplicate]
...with the OpenSSL library
http://www.openssl.org/
Windows binaries can be found here:
http://www.slproweb.com/products/Win32OpenSSL.html
Once you have the library installed, the command you need to issue is:
openssl x509 -in mycert.crt -out mycert.pem -outform PEM
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Difference between mkdir() and mkdirs() in java for java.io.File [closed]
Can anyone tell me the difference between these two methods:
3 Answers
3
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c语言编程中%g是什么格式？ - C/C++ - 清泛网 - 专注C/C++及内核技术
...什么格式？%g用来输出实数，它根据数值的大小，自动选f格式或e格式（选择输出时占宽度较小的一种），且不输出无意义的0。即%g是根据结果自动选择科学...%g用来输出实数，它根据数值的大小，自动选f格式或e格式（选择输出...
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Display HTML snippets in HTML
...w HTML snippets on a webpage without needing to replace each < with < and > with > ?
25 Answers
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What vim plugins are available for Eclipse? [closed]
...ave marks. It provides the core functionality of Vim text editing. If I recall correctly you can even have a simple vimrc configuration file. You can do a free trial to test it out.
Vrapper
Apparently Vrapper has macros and marks, as well as the following commands:
Motions
h j k l w W e E b B f ...
How to group dataframe rows into list in pandas groupby?
I have a pandas data frame df like:
12 Answers
12
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What are the real-world strengths and weaknesses of the many frameworks based on backbone.js? [close
...echnologies:
ASP.NET MVC
Ruby on Rails
Ruby / Sinatra
NodeJS / ExpressJS
PHP / Slim
Java
Erlang
... and more
JavaScript is JavaScript, when it comes to running in a browser. Server side JavaScript is awesome, too, but it has zero effect or influence on how I write my browser based JavaScript.
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