如何使用Perl或Bash找到给定目录中最大的10个文件?
编辑:
如何在逗号后用逗号插入换行符),(?
$ more temp.txt
(foo),(bar)
(foobar),(foofoobar)
$ sed 's/),(/),\n(/g' temp.txt
(foo),n(bar)
(foobar),n(foofoobar)
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为什么这不起作用?
在Mac OS X上,ghc-mod由于无法安装名为"happy"的依赖项,我无法安装:
bash> cabal install ghc-mod
Resolving dependencies...
Configuring haskell-src-exts-1.17.1...
Failed to install haskell-src-exts-1.17.1
Build log ( /Users/meng/.cabal/logs/haskell-src-exts-1.17.1.log ):
Configuring haskell-src-exts-1.17.1...
setup-Simple-Cabal-1.22.5.0-x86_64-osx-ghc-7.10.3: The program 'happy' version
>=1.19 is required but it could not be found.
cabal: Error: some packages failed to install:
ghc-mod-5.5.0.0 depends on haskell-src-exts-1.17.1 which failed to install.
haskell-src-exts-1.17.1 failed during the configure step. The exception was:
ExitFailure 1
hlint-1.9.31 depends on haskell-src-exts-1.17.1 which failed to install.
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任何的想法?
可能重复:
为什么python字符串和元组是不可变的?
什么是低级设计使元组在Python中不可变?为什么这个功能有用?
如何将HTML表格宽度限制为屏幕宽度的95%?
我正在使用
<style type="text/css">
table {
max-width:95%;
border-collapse:collapse;
...
}
...
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但生成的HTML页面的表格宽度大于屏幕宽度(1440x900屏幕),页面底部会显示滚动条.
在MySQL中,如何构建索引来加速这个查询?
SELECT c1, c2 FROM t WHERE c3='foobar';
Run Code Online (Sandbox Code Playgroud) 如何在Matlab中调用Mathematica函数?在Mathematica中有一些特别容易做到的符号方程操作/同化,至少对我而言,我想直接使用Mathematica,而不是在Matlab中制作它.
git push --force gitlab master
Enumerating objects: 50, done.
Counting objects: 100% (50/50), done.
Delta compression using up to 8 threads
Compressing objects: 100% (29/29), done.
Writing objects: 100% (40/40), 12.22 KiB | 4.07 MiB/s, done.
Total 40 (delta 26), reused 18 (delta 11)
remote: GitLab: You are not allowed to force push code to a protected branch on this project.
To gitlab.com:xxx/yyyy.git
! [remote rejected] master -> master (pre-receive hook declined)
error: failed to push some refs to 'git@gitlab.com:xxx/yyyy.git' …Run Code Online (Sandbox Code Playgroud) 我的Eclipse工作区有两个项目,一个使用CVS,另一个使用Git.修改CVS项目中的文件并保存时,会出现一个弹出窗口
An internal error occurred during: "Computing Git status for repository repo23".
Malformed input or input contains unmappable chacraters: /Users/pb/repo23/???/feng11.htm
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知道如何解决这个问题吗?
编辑:
Eclipse平台
版本:4.3.1.v20130911-1000 Build id:M20130911-1000
Eclipse EGit 3.2.0.201312181205-r