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What is a non-capturing group in regular expressions?
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[] is a set; [123] matches any char inside the set once; [^123] matches anything NOT inside the set once; [^/\r\n]+ matches one or more chars that are different from /, \r, \n.
– Ricardo Nolde
Jun 5 ...
best way to preserve numpy arrays on disk
... answered Mar 8 '12 at 15:02
JoshAdelJoshAdel
53.3k2222 gold badges125125 silver badges126126 bronze badges
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How to move the cursor word by word in the OS X Terminal
...r to re-execute the command again. I find it pretty lame to do this in Mac OSX Terminal, compare to the GNOME Terminal.
– Phương Nguyễn
Jun 1 '10 at 2:35
248
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Oracle SELECT TOP 10 records
...ply in a query like this one - Select * from SomeTable where someColumn = '123' and rownum <=3. Is it after selecting the results from [Select * from SomeTable where someColumn = '123' ]
– Shirgill Farhan
Dec 3 '19 at 9:18
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廉价共享存储解决方案2-drbd+cman+gfs2 - 更多技术 - 清泛网 - 专注C/C++及内核技术
廉价共享存储解决方案2-drbd+cman+gfs21、修改hosts文件[root@localhost ~]# vi etc hosts127.0.0.1localhost localhost.localdomain localhost4 localhost4.localdomain4...1、修改hosts文件
[root@localhost ~]# vi /etc/hosts
127.0.0.1 localhost localhost.localdomain localhost4 localhost...
Can't start Eclipse - Java was started but returned exit code=13
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There are working combinations of OS, JDK and Eclipse bitness. In my case, I was using a 64-bit JDK with a 32-bit Eclipse on a 64-bit OS. After downgrading the JDK to 32-bit, Eclipse started working.
Use one of the following combinations.
32-bit OS, 32-bit...
Why does sys.exit() not exit when called inside a thread in Python?
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from the thread?
Apart from the method Deestan described you can call os._exit (notice the underscore). Before using it make sure that you understand that it does no cleanups (like calling __del__ or similar).
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How can I see the current value of my $PATH variable on OS X?
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for MacOS, make sure you know where the GO install
export GOPATH=/usr/local/go
PATH=$PATH:$GOPATH/bin
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How to set JAVA_HOME environment variable on Mac OS X 10.9?
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When you say "shell," do you mean I close the terminal window and reopen it? Also, does this permanently add the environment variable for my jdk?
– islander_zero
Apr 3 '14 at 15:57
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Why can't an anonymous method be assigned to var?
...you like to be inferred for the following cases?
var x1 = (ref int y)=>123;
There is no Func<T> type that takes a ref anything.
var x2 = y=>123;
We don't know the type of the formal parameter, though we do know the return. (Or do we? Is the return int? long? short? byte?)
var x3 =...