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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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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
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Can the Unix list command 'ls' output numerical chmod permissions?
... * can find most of them:
/usr/bin$ stat -c '%a %n' *
755 [
755 a2p
755 a2ps
755 aclocal
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It handles sticky, suid and company out of the box:
$ stat -c '%a %n' /tmp /usr/bin/sudo
1777 /tmp
4755 /usr/bin/sudo
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Best way to simulate “group by” from bash?
...n the whole command to a bash variable and then loop through the results.
PS
If the sort command is omitted, you will not get the correct results as uniq only looks at successive identical lines.
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Getting the max value of an enum
...rict T to Enum but the following.
Any ideas would be really appreciated.
PS. please ignore my VB implicitness, I love using VB in this way, that's the strength of VB and that's why I love VB.
Howeva, here it is:
C#:
static void Main(string[] args)
{
MyEnum x = GetMaxValue<MyEnum>(); /...