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How to get filename without extension from file path in Ruby
...known (it needs the / separator):
irb(main):024:0> f = 'C:\foobar\blah.txt'.gsub("\\","/")
=> "C:/foobar/blah.txt"
irb(main):027:0> File.basename(f,File.extname(f))
=> "blah"
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i...
Why does Node.js' fs.readFile() return a buffer instead of string?
I'm trying to read the content of test.txt (which is on the same folder of the Javascript source) and display it using this code:
...
How exactly does CMake work?
...ctly what was going on behind the scenes when for such a small CMakeLists.txt file
3 Answers
...
Android basics: running code in the UI thread
...());
private class TextViewUpdater implements Runnable{
private String txt;
@Override
public void run() {
searchResultTextView.setText(txt);
}
public void setText(String txt){
this.txt = txt;
}
}
It can be used from anywhere like this:
textViewUpdater.setT...
Copying files from host to Docker container
...s.
One specific file can be copied TO the container like:
docker cp foo.txt mycontainer:/foo.txt
One specific file can be copied FROM the container like:
docker cp mycontainer:/foo.txt foo.txt
For emphasis, mycontainer is a container ID, not an image ID.
Multiple files contained by the fold...
Shell command to tar directory excluding certain files/folders
...filled with a list of patterns
tar -czf backup.tar.gz -X /path/to/exclude.txt /path/to/backup
Exclude files using tags by placing a tag file in any directory that should be skipped
tar -czf backup.tar.gz --exclude-tag-all=exclude.tag /path/to/backup
...
Redirect Windows cmd stdout and stderr to a single file
...
You want:
dir > a.txt 2>&1
The syntax 2>&1 will redirect 2 (stderr) to 1 (stdout). You can also hide messages by redirecting to NUL, more explanation and examples on MSDN.
...
Redirect stdout to a file in Python?
...on in Python 3.4:
from contextlib import redirect_stdout
with open('help.txt', 'w') as f:
with redirect_stdout(f):
print('it now prints to `help.text`')
It is similar to:
import sys
from contextlib import contextmanager
@contextmanager
def redirect_stdout(new_target):
old_targe...
How to get the cuda version?
...abilities.
As others note, you can also check the contents of the version.txt using (e.g., on Mac or Linux)
cat /usr/local/cuda/version.txt
However, if there is another version of the CUDA toolkit installed other than the one symlinked from /usr/local/cuda, this may report an inaccurate version...
How do I create a Java string from the contents of a file?
...e encodings required of all Java runtimes:
String content = readFile("test.txt", StandardCharsets.UTF_8);
The platform default is available from the Charset class itself:
String content = readFile("test.txt", Charset.defaultCharset());
Note: This answer largely replaces my Java 6 version. The uti...