大约有 36,000 项符合查询结果（耗时：0.0286秒） [XML]
Sorting multiple keys with Unix sort
...2,2,b,22,Ga
2,2,c,19,Ga
2,2,c,19,Gb,hi
2,2,c,19,Gb,hj
2,3,a,9,C
~/test>cat sort.csv
2,3,a,9,C
2,2,b,20,F
2,2,c,19,Gb,hj
2,2,c,19,Gb,hi
2,2,c,19,Ga
2,2,b,22,Ga
1,10,b,22,Ga
Note the -k1,1n means numeric starting at column 1 and ending at column 1.
If I had done below, it would have concatenated...
How does a Linux/Unix Bash script know its own PID?
...omi, these examples show how pipes create subshells:
$ echo $$ $BASHPID | cat -
11656 31528
$ echo $$ $BASHPID
11656 11656
$ echo $$ | while read line; do echo $line $$ $BASHPID; done
11656 11656 31497
$ while read line; do echo $line $$ $BASHPID; done <<< $$
11656 11656 11656
...
How do I activate a virtualenv inside PyCharm's terminal?
...his happening. Script still uses --rcfile, but attempts to emulate the INVOCATION behaviour of a login shell.
Removes the need to create an rcfile for each environment
Removes the need to update the project settings if you change the environment.
Drop this script into a bin directory somewhere. E....
Git diff to show only lines that have been modified
...he same results whether I escaped the + or not here, btw...
Example:
$ cat testfile
A
B
C
D
E
F
G
Say I change C to X, E to Y, and G to Z.
$ git diff | grep '^[+|-][^+|-]'
-C
+X
-E
+Y
-G
+Z
Like I said above, though, this is just for most cases. If you pipe that output to a file dout, then...
How do I change the default author and committer in the Eclipse Git plugin?
... check if you're using correct repo specific account from within repo, run cat .git/config or git config --local user.name
– rsinha
Jun 27 at 8:22
...
Showing commits made directly to a branch, ignoring merges in Git
...hat excluding others would be impractical.
– Channel Cat
Dec 19 '11 at 17:42
@ChannelCat why not rebase your branch on...
Disable messages upon loading a package
...ackage:gplots" "package:KernSmooth"
[5] "package:grid" "package:caTools"
[7] "package:bitops" "package:gdata"
[9] "package:gtools" "package:stats"
[11] "package:graphics" "package:grDevices"
[13] "package:utils" "package:datasets"
[15] "package:methods" ...
Generate .pem file used to set up Apple Push Notifications
I tried and tried to generate a .pem file, every time generating certificates from the client's account and then generating the .pem file using the terminal, but it's of no use. Can anyone give a step-by-step procedure?
...
Key hash for Android-Facebook app
...
You can use this code in any activity. It will log the hashkey in the logcat, which is the debug key. This is easy, and it's a relief than using SSL.
PackageInfo info;
try {
info = getPackageManager().getPackageInfo("com.you.name", PackageManager.GET_SIGNATURES);
for (Signature signature ...
How to kill zombie process
...
usually, you can find the parent in the PPid row if you cat /proc/<pid>/status
– Daniel Andrei Mincă
Sep 4 '18 at 11:22
...