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How to delete a file from SD card?
I am creating a file to send as an attachment to an email. Now I want to delete the image after sending the email. Is there a way to delete the file?
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How to count the number of files in a directory using Python
I need to count the number of files in a directory using Python.
24 Answers
24
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javac is not recognized as an internal or external command, operable program or batch file [closed]
... experienced readers:
Find the Java path; it looks like this: C:\Program Files\Java\jdkxxxx\bin\
Start-menu search for "environment variable" to open the options dialog.
Examine PATH. Remove old Java paths.
Add the new Java path to PATH.
Edit JAVA_HOME.
Close and re-open console/IDE.
Welcome!
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Is it safe to parse a /proc/ file?
...p with bugs in your code if you assume too much about the consistency of a file in /proc. For example, see this bug which came from assuming that /proc/mounts was a consistent snapshot.
For example:
/proc/uptime is totally atomic, as someone mentioned in another answer -- but only since Linux 2.6...
How can I check the extension of a file?
...gram where I need to do different things depending on the extension of the file. Could I just use this?
11 Answers
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UnicodeDecodeError: 'charmap' codec can't decode byte X in position Y: character maps to
I'm trying to get a Python 3 program to do some manipulations with a text file filled with information. However, when trying to read the file I get the following error:
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Why compile Python code?
... would you compile a Python script? You can run them directly from the .py file and it works fine, so is there a performance advantage or something?
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use Winmerge inside of Git to file diff
...part of your PATH:
#!/bin/sh
echo Launching WinMergeU.exe: $1 $2
"$PROGRAMFILES/WinMerge/WinMergeU.exe" -e -u -dl "Local" -dr "Remote" "$1" "$2"
(see WinMerge Command-line options)
git difftool
will now launch WinMerge.
If you want git diff to launch WinMerge, just set:
set GIT_EXTERNAL_DIF...
JavaScript: Create and save file [duplicate]
I have data that I want to write to a file, and open a file dialog for the user to choose where to save the file. It would be great if it worked in all browsers, but it has to work in Chrome. I want to do this all client-side.
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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...