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Resize image in PHP
...mages.
With GD, for example, it's as simple as...
function resize_image($file, $w, $h, $crop=FALSE) {
list($width, $height) = getimagesize($file);
$r = $width / $height;
if ($crop) {
if ($width > $height) {
$width = ceil($width-($width*abs($r-$w/$h)));
} ...
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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How to reliably open a file in the same directory as a Python script
I used to open files that were in the same directory as the currently running Python script by simply using a command like
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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!
...
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...