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What are the Ruby File.open modes and options?
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edited Apr 23 '16 at 21:46
Casimir et Hippolyte
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ssh: The authenticity of host 'hostname' can't be established
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I think it's irresponsible to recommend this without warning about the security implications. superuser.com/a/421084/121091 is a better ans...
delegate keyword vs. lambda notation
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Short answer : no.
Longer answer that may not be relevant:
If you assign the lambda to a d...
Generate a random date between two other dates
...%m/%d/%Y %I:%M %p', prop)
print(random_date("1/1/2008 1:30 PM", "1/1/2009 4:50 AM", random.random()))
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Batch files: How to read a file?
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You can use the for command:
FOR /F "eol=; tokens=2,3* delims=, " %i in (myfile.txt) do @echo ...
MySQL InnoDB not releasing disk space after deleting data rows from table
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edited Aug 16 '14 at 14:52
cmbuckley
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Capturing multiple line output into a Bash variable
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edited Aug 4 '14 at 20:33
answered Mar 5 '09 at 4:36
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How do I achieve the theoretical maximum of 4 FLOPs per cycle?
How can the theoretical peak performance of 4 floating point operations (double precision) per cycle be achieved on a modern x86-64 Intel CPU?
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记录一些Mac OS X技巧 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...前虚拟内存的大小：
sysctl vm.swapusage
如果你的内存有4GB以上，大部分情况下都已经够用了，于是就可以禁用虚拟内存，以获得更快的速度：
sudo launchctl unload -w /System/Library/LaunchDaemons/com.apple.dynamic_pager.plist
禁用以后，磁盘...
Using git to get just the latest revision
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ma11hew28
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answered Jul 30 '09 at 23:54
Greg HewgillGreg Hewgill
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