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How to undo a git pull?
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Or to make it more explicit than the other answer:
git pull
whoops?
git reset --keep HEAD@{1}
Versions of git older than 1.7.1 do not have --keep. If you use such version, you could use --hard - but that is a dangerous operation because it loses any local changes.
To the commenter
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How do I grep recursively?
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Note: "grep -r" only works on newer greps. It doesn't work on the grep that comes with AIX 5.3 for example.
– Withheld
Feb 1 '13 at 13:09
112
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How do I clear stuck/stale Resque workers?
...ant to unregister only the workers that are not actual processes (and perhaps processing jobs), you might want to try Resque.workers.each {|w| matches = w.id.match(/^[^:]*:([0-9]*):[^:]*$/); pid = matches[1]; w.unregister_worker unless w.worker_pids.include?(pid.to_s)} which will only unregister tho...
Command-line Tool to find Java Heap Size and Memory Used (Linux)?
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Each Java process has a pid, which you first need to find with the jps command.
Once you have the pid, you can use jstat -gc [insert-pid-here] to find statistics of the behavior of the garbage collected heap.
jstat -gccapacity [insert-pid-here] will present information about memory pool g...
How to upgrade PowerShell version from 2.0 to 3.0
...boot the computer, start Windows PowerShell and verify that the output of $PSVersionTable shows 4.0 as the value of the PSVersion property"
– Shiva
Mar 4 '16 at 4:25
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Search for all occurrences of a string in a mysql database [duplicate]
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@SchlaWeiner that just dumps out the data; you have no idea the row schema or table.
– ashes999
Nov 26 '10 at 19:16
4
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Can I make 'git diff' only the line numbers AND changed file names?
...Same format as when you making commit or pulling new commits from remote.
PS: That's wired that nobody answered this way.
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windbg 备忘 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...utive support routines），FsRtl（文件系统驱动程序运行库），Ps（Process support），Rtl（运行库），Zw（以nt开头的系统服务入口的镜像），Ldr（Loader）
SPI (Serial Peripheral Interface) 串行外设接口
PCR (processor control region)
PCRB (processor cont...
google mock分享（全网最全最好的gmock文档，没有之一） - C/C++ - 清泛网 ...
...ameter = iAPIProvider->getInterface<IParameterInterface>();
因为目前版本（1.5版本）的Google Mock还不支持模版函数，因此我们无法Mock IAPIProviderInterface中的getInterface，那我们现在怎么办？
如果你想做得比较完美的话我暂时也没想出办法，我...
How can I get Docker Linux container information from within the container itself?
...258e6dec11:/project# cat /etc/hostname
d2258e6dec11
Externally
$ docker ps -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
d2258e6dec11 300518d26271 "bash" 5 minutes ago
...