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Using pickle.dump - TypeError: must be str, not bytes
...
The output file needs to be opened in binary mode:
f = open('varstor.txt','w')
needs to be:
f = open('varstor.txt','wb')
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How to print to stderr in Python?
... following result when run on the command line:
$ python3 foo.py > bar.txt
I print to stderr by default
and bar.txt will contain the 'hello world' printed on stdout.
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How can I upgrade specific packages using pip and a requirements file?
...use this pip-upgrader which also updates the versions in your requirements.txt file for the chosen packages (or all packages).
Installation
pip install pip-upgrader
Usage
Activate your virtualenv (important, because it will also install the new versions of upgraded packages in current virtualenv).
...
Git blame — prior commits?
...e evolution of a range of lines.
For example :
git log -L 15,23:filename.txt
means "trace the evolution of lines 15 to 23 in the file named filename.txt".
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File being used by another process after using File.Create()
...y need the file.Create method at all:
string filePath = @"c:\somefilename.txt";
using (StreamWriter sw = new StreamWriter(filePath, true))
{
//write to the file
}
The boolean in the StreamWriter constructor will cause the contents to be appended if the file exists.
...
When do we need curly braces around shell variables?
...some text manipulation inside the braces:
STRING="./folder/subfolder/file.txt"
echo ${STRING} ${STRING%/*/*}
Result:
./folder/subfolder/file.txt ./folder
or
STRING="This is a string"
echo ${STRING// /_}
Result:
This_is_a_string
You are right in "regular variables" are not needed... But i...
How do I detect that an iOS app is running on a jailbroken phone?
...@"This is a test.";
[stringToBeWritten writeToFile:@"/private/jailbreak.txt" atomically:YES encoding:NSUTF8StringEncoding error:&error];
[[NSFileManager defaultManager] removeItemAtPath:@"/private/jailbreak.txt" error:nil];
if(error == nil)
{
return YES;
}
#endif
return...
Execute another jar in a Java program
...tError(new File(Paths.get("C:\\path\\to\\JavaProcessOutput\\extJar_out_put.txt").toString()));
processBuilder.redirectInput();
try {
final Process process = processBuilder.start();
try {
final int exitStatus = process.waitFor();
...
Can Google Chrome open local links?
...ain and the page contains a link such as <a href="file:///S:/sharedfile.txt">
2) If you have a HTML page open from your local host then file:// links will work i.e. your address bar reads file:///C:/mydir/index.html and the page contains a link such as <a href="file:///S:/sharedfile.txt"&g...
Quick and easy file dialog in Python?
... path = None
dialog.Destroy()
return path
print get_path('*.txt')
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