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Java regex email
...T. What makes the regex functionally wrong and this also has a serious performance impact
– TomWolk
Jun 2 '16 at 8:57
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How to start working with GTest and CMake
... errors. That's why it's recommended to bring in Google Test in the source form and build it along with your tests. It's very easy to do in CMake. You just invoke ADD_SUBDIRECTORY with the path to the gtest root and then you can use public library targets (gtest and gtest_main) defined there. There...
How to use Git Revert
...even more clear, with a log like this:
# git log --oneline
cb76ee4 wrong
01b56c6 test
2e407ce first commit
Using git revert cb76ee4 will by default bring your files back to 01b56c6 and will add a further commit to your history:
8d4406b Revert "wrong"
cb76ee4 wrong
01b56c6 test
2e407ce first com...
Plot correlation matrix into a graph
...x", xlab="", ylab="", col.regions=rgb.palette(120), cuts=100, at=seq(0,1,0.01))
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Compare two dates with JavaScript
... true (correct)
I suggest you use drop-downs or some similar constrained form of date entry rather than text boxes, though, lest you find yourself in input validation hell.
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Why are `private val` and `private final val` different?
...ight-hand side get inlined into bytecode as constants. That engenders a performance benefit sure, but it causes binary compatibility of the definition to break if the "constant" ever changed. When defining a final static variable whose value might need to change, Java programmers have to resort to h...
how to use XPath with XDocument?
...r nodes (which aren't there now but could be added by later changes to the format of the file). However your solution is surely the right one.
– Marco Mp
Feb 21 '13 at 14:12
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How does one make random number between range for arc4random_uniform()?
... die only has 6 sides so I imported Foundation for access to arc4random_uniform(UInt32). I attempted using the range of (1..7) to avoid randomly getting 0 however that returned an error which I didn't enjoy too much. I tried to do this:
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Windbg Step 2 分析程序堆栈实战 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...断点
2. lm查看loaded Modules
lm
start end module name
01330000 0134b000 MyApp C (private pdb symbols) E:\ProLab\WindbgFirst\Debug\MyApp.pdb
59bc0000 59ce4000 MSVCR90D (deferred)
75100000 75200000 kernel32 (deferred)
76750000 76796000 KE...
Correct way to use get_or_create?
I'm trying to use get_or_create for some fields in my forms, but I'm getting a 500 error when I try to do so.
5 Answers
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