大约有 40,000 项符合查询结果（耗时：0.0430秒） [XML]
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.
share
|
improve this answe...
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".
share
|
improve this answer
|
...
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...
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.
...
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')
share
|
improve this answer
|
follow
|
...
Is it possible to use pip to install a package from a private GitHub repository?
...Putting git+ssh://git@github.com/echweb/echweb-utils.git into requirements.txt works too, which is awesome.
– Avindra Goolcharan
Feb 29 '16 at 13:53
3
...