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PHP DateTime::modify adding and subtracting months
...number (originally 1) by one. This makes the date 2010-02-31.
first day of sets the day number to 1, resulting in the date 2010-02-01.
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Whitespace Matching Regex - Java
...ou can’t use \s in Java to match white space on its own native character set, because Java doesn’t support the Unicode white space property — even though doing so is strictly required to meet UTS#18’s RL1.2! What it does have is not standards-conforming, alas.
Unicode defines 26 code point...
How to write to a file in Scala?
For reading, there is the useful abstraction Source . How can I write lines to a text file?
18 Answers
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Preferred order of writing latitude & longitude tuples in GIS services
When dealing with GIS source code you often need to write latitude and longitude coordinate tuples.
9 Answers
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How to automate createsuperuser on django?
...anage.py createsuperuser on django but it seams that there is no way of setting a default password.
16 Answers
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iOS开发调试技巧总结 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...次数，设置Action参数如下，注意要选中Automatically continue after evaluating actions.
输出结果如下：
【3.异常断点】
断点的功能不限于上面所述。开发iOS知道，如果我们因为异常然后程序crash了，代码就直接跑到main.m的main函数中去...
sizeof single struct member in C
...eclare a struct that is dependent upon another struct.
I want to use sizeof to be safe/pedantic.
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What are the most useful Intellij IDEA keyboard shortcuts? [closed]
I did a bit of googling hoping to find a post on IDEA shortcuts similar to Jeff's post on Visual Studio shortcuts ( Visual Studio .NET 2003 and 2005 Keyboard Shortcuts ), but didn't really spot anything that helped. Hopefully the answers to this question will fill the void.
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How to evaluate http response codes from bash/shell script?
I have the feeling that I'm missing the obvious, but have not succeeded with man [curl|wget] or google ("http" makes such a bad search term). I'm looking for a quick&dirty fix to one of our webservers that frequently fails, returning status code 500 with an error message. Once this happens, it nee...
How to display gpg key details without importing it?
...voked: 2016-03-01]
sub rsa4096 2016-02-24 [A] [expires: 2020-02-23]
By setting --keyid-format 0xlong, long key IDs are printed instead of the insecure short key IDs:
$ gpg a4ff2279.asc
gpg: WARNING: no command supplied. Trying to...