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What's the opposite of 'make install', i.e. how do you uninstall a library in Linux?
...package has been correctly configured for an make uninstall option. Clarification: what he wants to do is to enable some kind of management for packages that works for things he compiled himself.
– Nisse
Jul 27 '13 at 6:11
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“Insert if not exists” statement in SQLite
...roceed.
I would advice that you instead design your table so that no duplicates are allowed as explained in @CLs answer below.
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廉价共享存储解决方案1-drbd+ha+nfs - 更多技术 - 清泛网 - 专注C/C++及内核技术
...结构化数据高可靠性存储的问题1、问题产生背景三台TOMCAT 服务器通过负载均衡设备对外提供WEB服务。怎么保证...在没有共享存储的情况下解决非结构化数据高可靠性存储的问题
1、问题产生背景
三台TOMCAT 服务器通过负载均...
Is there a performance gain in using single quotes vs double quotes in ruby?
... ruby -v
ruby 1.9.3p0 (2011-10-30 revision 33570) [x86_64-darwin11.0.0]
$ cat benchmark_quotes.rb
# As of Ruby 1.9 Benchmark must be required
require 'benchmark'
n = 1000000
Benchmark.bm(15) do |x|
x.report("assign single") { n.times do; c = 'a string'; end}
x.report("assign double") { n.times...
DROP IF EXISTS VS DROP?
...r 5 '12 at 11:31
Mike Sherrill 'Cat Recall'Mike Sherrill 'Cat Recall'
78.5k1616 gold badges103103 silver badges156156 bronze badges
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Can git ignore a specific line?
...d" bit is on, git stops checking the working tree files for possible modifications, so you need to manually unset the bit to tell git when you change the working tree file.
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Why do some websites add “Slugs” to the end of URLs? [closed]
... take a guess at url's simply from the address bar. i.love.pets.com/search/cats+dogs could easily lead to i.love.pets.com/search/pug+puppies etc
– Xian
Sep 6 '08 at 13:51
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Can a shell script set environment variables of the calling shell? [duplicate]
...f the backquoted expression, this has the desired result.
To simplify invocation for csh, tcsh, or similar shells:
alias dosetit 'eval `setit-csh`'
or for sh, bash, and the like:
alias dosetit='eval `setit-sh`'
One nice thing about this is that you only have to maintain the list in one place....
How to get current memory usage in android?
...M on older versions, it seems it will just crash without you being able to catch it. Here's how to check for memory usage:
val nativeHeapSize = Debug.getNativeHeapSize()
val nativeHeapFreeSize = Debug.getNativeHeapFreeSize()
val usedMemInBytes = nativeHeapSize - nativeHeapFreeSize
val usedMemInPerc...
Git: “Corrupt loose object”
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git cat-file -t <SHA1> will tell you the type. If not corrupted, you can then do git cat-file <type> <SHA1> to see the content (I used it for a blob, I guess it will also show you the contents of other types.)
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