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How exactly does CMake work?
...ctly what was going on behind the scenes when for such a small CMakeLists.txt file
3 Answers
...
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.
...
文件增强使用指导 · App Inventor 2 中文网
...文件增强1.FileListAsync(文件增强1.ApplicationSpecificDirectory(), "txt", true, false)
}
when 文件增强1.GotFileList(文件列表) {
标签1.Text = join("共找到 ", length(文件列表), " 个文件")
}
when 文件增强1.FileCopied(是否成功, 响应) {
if 是否成功 {
标...
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...
Read whole ASCII file into C++ std::string [duplicate]
...#include <fstream>
#include <streambuf>
std::ifstream t("file.txt");
std::string str((std::istreambuf_iterator<char>(t)),
std::istreambuf_iterator<char>());
Not sure where you're getting the t.open("file.txt", "r") syntax from. As far as I know that's not ...
Running Command Line in Java [duplicate]
...untime.getRuntime();
Process pr = rt.exec("java -jar map.jar time.rel test.txt debug");
http://docs.oracle.com/javase/7/docs/api/java/lang/Runtime.html
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How does the vim “write with sudo” trick work?
... :w is modifying your file, but it isn't. If you opened and modified file1.txt, then ran :w file2.txt, it would be a "save as"; file1.txt wouldn't be modified, but the current buffer contents would be sent to file2.txt.
Instead of file2.txt, you can substitute a shell command to receive the buffer ...