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Configuring diff tool with .gitconfig
...did git config --global diff.tool diffmerge but when i did git diff myfile.txt it still gave me the default unix diff
– amphibient
Jan 31 '14 at 19:24
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How can I have grep not print out 'No such file or directory' errors?
...ms, e.g. when you use xargs with grep. Try creating 2 files in a dir, 'aaa.txt' and 'a b.txt', both containing the string 'some text'. The command /bin/ls -1 | xargs grep 'some text' will give you "no such file or directory" because it breaks up 'a b.txt' into 2 args. If you suppress, you won't noti...
TaifunWiFi 拓展：WiFi Manager WiFi管理器扩展 · App Inventor 2 中文网
...
在无线局域网中使用的功能块。
.aix 拓展下载：
com.puravidaapps.TaifunWiFi.aix
demo程序下载：
wifi.aia
开发动机
WiFi Manager扩展为App Inventor开发者提供了完整的WiFi网络管理功能，包括WiFi状态控制、...
What is a unix command for deleting the first N characters of a line?
...
You can use cut:
cut -c N- file.txt > new_file.txt
-c: characters
file.txt: input file
new_file.txt: output file
N-: Characters from N to end to be cut and output to the new file.
Can also have other args like: 'N' , 'N-M', '-M' meaning nth charact...
Gdb print to file instead of stdout
...e
Change the name of the current logfile. The default logfile is gdb.txt.
set logging overwrite [on|off]
By default, gdb will append to the logfile. Set overwrite if you want set logging on to overwrite the logfile instead.
set logging redirect [on|off]
By default, gdb output w...
How to read lines of a file in Ruby
...r\n" from Windows, here's what I would do:
line_num=0
text=File.open('xxx.txt').read
text.gsub!(/\r\n?/, "\n")
text.each_line do |line|
print "#{line_num += 1} #{line}"
end
Of course this could be a bad idea on very large files since it means loading the whole file into memory.
...
Install specific git commit with pip
... possible to automatically install a python package using the requirements.txt file on you project just by adding the following line:
-e git+https://github.com/owner/repository.git@branch_or_commit
and run the command line:
$ pip install -r requirements.txt
...
Wget output document and headers to STDOUT
...$ wget -q -S -O - 2>&1 | grep ...
or
$ wget -q -S -O - 1>wget.txt 2>&1
The -q option suppresses the progress bar and some other annoyingly chatty parts of the wget output.
share
|
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Inline comments for Bash?
...le piped commands.
Example uncommented code:
#!/bin/sh
cat input.txt \
| grep something \
| sort -r
Solution for a pipe comment (using a helper function):
#!/bin/sh
pipe_comment() {
cat -
}
cat input.txt \
| pipe_comment "filter down to lines that co...
How to delete files older than X hours
...LES need to be in quotes (double quotes) and you can use a pattern like: ".txt" for all .txt files or files beginning with a pattern like: "temp-" to delete all files named with temp-
– achasinh
Oct 4 '17 at 10:01
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