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Java FileOutputStream Create File if not exists
...eate with createNewFile() if it doesn't):
File yourFile = new File("score.txt");
yourFile.createNewFile(); // if file already exists will do nothing
FileOutputStream oFile = new FileOutputStream(yourFile, false);
share
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How do you add Boost libraries in CMakeLists.txt?
I need to add Boost libraries into my CMakeLists.txt. How do you do it or how do you add it?
7 Answers
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How do I copy a version of a single file from one git branch to another?
...branch where you want the file to end up:
git checkout otherbranch myfile.txt
General formulas:
git checkout <commit_hash> <relative_path_to_file_or_dir>
git checkout <remote_name>/<branch_name> <file_or_dir>
Some notes (from comments):
Using the commit hash you...
Installing Python packages from local file system folder to virtualenv with pip
... "--no-index",
# "--find-links=.", package, "--log-file", "log.txt", "-vv"])
pip.main(["install", "--upgrade", "--no-index", "--find-links=.", package])
if __name__ == "__main__":
install("mypackagename")
raw_input("Press Enter to Exit...\n")
I pieced this together from p...
Read entire file in Scala?
...
val lines = scala.io.Source.fromFile("file.txt").mkString
By the way, "scala." isn't really necessary, as it's always in scope anyway, and you can, of course, import io's contents, fully or partially, and avoid having to prepend "io." too.
The above leaves the file...
How do I close a single buffer (out of many) in Vim?
... names is often more effective.
For instance, after I opened a couple of .txt file to refresh my memories of some fine point.. copy and paste a few lines of text to use as a template of sorts.. etc. I would type the following:
:bd txt <Tab>
Note that the matching string does not have to b...
Facebook Android Generate Key Hash
...alias androiddebugkey -keystore debug.keystore >
c:\openssl\bin\debug.txt
7) Now you need to enter password, Password = android.
8) If you see in openssl Bin folder, you will get a file with the name of debug.txt
9) Now either you can restart command prompt or work with existing command pro...
How can I delete a file from a Git repository?
I have added a file named "file1.txt" to a Git repository. After that, I committed it, added a couple of directories called dir1 and dir2 , and committed them to the Git repository.
...
How to create directories recursively in ruby?
I want to store a file as /a/b/c/d.txt, but I do not know if any of these directories exist and need to recursively create them if necessary.
How can one do this in ruby?
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How to process each line received as a result of grep command
...tly iterate over it with a while/read loop.
Something like:
grep xyz abc.txt | while read -r line ; do
echo "Processing $line"
# your code goes here
done
There are variations on this scheme depending on exactly what you're after.
If you need to change variables inside the loop (and have...