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Git: How to update/checkout a single file from remote origin master?
... the deployed repository)
git fetch
git checkout origin/master -- path/to/file
The fetch will download all the recent changes, but it will not put it in your current checked out code (working area).
The checkout will update the working tree with the particular file from the downloaded changes (o...
Batch files: How to read a file?
How you can read a file (text or binary) from a batch file? There is a way to read it in a binary mode or text mode?
7 Answ...
rsync: difference between --size-only and --ignore-times
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There are several ways rsync compares files -- the authoritative source is the rsync algorithm description: https://www.andrew.cmu.edu/course/15-749/READINGS/required/cas/tridgell96.pdf. The wikipedia article on rsync is also very good.
For local files, rsync co...
Shell script to send email [duplicate]
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$ echo "hello world" | mail -s "a subject" -a "attachment file" someone@somewhere.com for sending files
– Saurabh Saxena
Feb 18 '13 at 7:45
3
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How Do I Use Factory Girl To Generate A Paperclip Attachment?
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You can use fixture_file_upload
include ActionDispatch::TestProcess in your test helper, here is an example factory:
include ActionDispatch::TestProcess
FactoryBot.define do
factory :user do
avatar { fixture_file_upload(Rails.root.join(...
Call a function from another file?
Set_up: I have a .py file for each function I need to use in a program.
17 Answers
17
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How to rename a file using Python
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Should be noted that if the files are not in the working directory you will need the full path.
– EndermanAPM
Mar 29 '17 at 11:34
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What version of javac built my jar?
...l what version of the Java compiler was used to build a jar? I have a jar file, and it could have been built in any one of three JDKs. We need to know exactly which one, so we can certify compatibility. Is the compiler version embedded somewhere in the class files or jar?
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How to count lines in a document?
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Use wc:
wc -l <filename>
This will output the number of lines in <filename>:
$ wc -l /dir/file.txt
3272485 /dir/file.txt
Or, to omit the <filename> from the result use wc -l < <filename>:
$ wc -l < /dir/file...
How to append to a file in Node?
I am trying to append a string to a log file. However writeFile will erase the content each time before writing the string.
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