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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...
Why are C character literals ints instead of chars?
In C++, sizeof('a') == sizeof(char) == 1 . This makes intuitive sense, since 'a' is a character literal, and sizeof(char) == 1 as defined by the standard.
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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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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 do I make a list of data frames?
... of sequentially named data frames you can create a list of the desired subset of data frames like this:
d1 <- data.frame(y1=c(1,2,3), y2=c(4,5,6))
d2 <- data.frame(y1=c(3,2,1), y2=c(6,5,4))
d3 <- data.frame(y1=c(6,5,4), y2=c(3,2,1))
d4 <- data.frame(y1=c(9,9,9), y2=c(8,8,8))
my.list &...
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...
How to highlight and color gdb output during interactive debugging?
...gdbinit inspired from the previous one.
pwndbg
Some projects provide a set of useful functions, including improved display. This is the case for PEDA or pwndbg. The latter gives the following description:
A PEDA replacement. In the spirit of our good friend windbg, pwndbg is pronounced pwnd-...
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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sizeof single struct member in C
...eclare a struct that is dependent upon another struct.
I want to use sizeof to be safe/pedantic.
9 Answers
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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...