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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.
...
Is it possible to write data to file using only JavaScript?
...I don't want to print it on console.
I want to Actually Write data to abc.txt .
I read many answered question but every where they are printing on console.
at some place they have given code but its not working.
So please can any one help me How to actually write data to File.
...
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
...
What is the fastest way to send 100,000 HTTP requests in Python?
...oWork)
t.daemon = True
t.start()
try:
for url in open('urllist.txt'):
q.put(url.strip())
q.join()
except KeyboardInterrupt:
sys.exit(1)
This one is slighty faster than the twisted solution and uses less CPU.
...
Does Git Add have a verbose switch
... setting the GIT_TRACE environment variable:
export GIT_TRACE=1
git add *.txt
Output:
14:06:05.508517 git.c:415 trace: built-in: git add test.txt test2.txt
14:06:05.544890 git.c:415 trace: built-in: git config --get oh-my-zsh.hide-dirty
...
Reverting a single file to a previous version in git [duplicate]
... use git reset (the 2nd or 3rd form):
git reset a4r9593432 -- path/to/file.txt
# the reverted state is added to the staging area, ready for commit
git diff --cached path/to/file.txt # view the changes
git commit
git checkout HEAD path/to/file.txt # make the working tree match HEAD ...
Powershell equivalent of bash ampersand (&) for forking/running background processes
...e it runs in a separate session). You cannot do "Start-Job {notepad myfile.txt}" where myfile.txt is in the current directory.
The output is not displayed automatically. You need to run Receive-Job with the ID of the job as parameter.
NOTE: Regarding your initial example, "bg sleep 30" would not w...
How do I create a folder in a GitHub repository?
...re empty folders. Just make sure there's a file in the folder like doc/foo.txt and run git add doc or git add doc/foo.txt, and the folder will be added to your local repository once you've committed (and appear on GitHub once you've pushed it).
...
Stop Excel from automatically converting certain text values to dates
...ity to name the file something other than ".csv", you can name it with a ".txt" extension, such as "Myfile.txt" or "Myfile.csv.txt". Then when you open it in Excel (not by drag and drop, but using File->Open or the Most Recently Used files list), Excel will provide you with a "Text Import Wizard...