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How to set downloading file name in ASP.NET Web API
...on = new ContentDispositionHeaderValue("attachment")
{
FileName = "foo.txt"
};
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How to check whether a file is empty or not?
...e file open you could try this:
>>> with open('New Text Document.txt') as my_file:
... # I already have file open at this point.. now what?
... my_file.seek(0) #ensure you're at the start of the file..
... first_char = my_file.read(1) #get the first character
... if not fir...
How to use sed to remove the last n lines of a file
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I don't know about sed, but it can be done with head:
head -n -2 myfile.txt
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How does grep run so fast?
...of tests before you fail, and you can't move ahead anyway. Say the file xs.txt contains 100000000 'x's, and you do grep yx xs.txt, then it actually fails to find a match sooner than if you do grep yxxxxxxxxxxxxxxxxxxx xs.txt. The Boyer-Moore-Horspool improvement to Boyer-Moore improves on the skip-a...
Wait until file is unlocked in .NET
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Ftp two files but only watch one. For example send the files important.txt and important.finish. Only watch for the finish file but process the txt.
FTP one file but rename it when done. For example send important.wait and have the sender rename it to important.txt when finished.
Good luck!
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What is the “Execute Around” idiom?
...{
stream.close();
}
}
// Calling it
executeWithFile("filename.txt", new InputStreamAction()
{
public void useStream(InputStream stream) throws IOException
{
// Code to use the stream goes here
}
});
// Calling it with Java 8 Lambda Expression:
executeWithFile("filen...
What does the @ symbol before a variable name mean in C#? [duplicate]
...typically you would need to do this:
var myString = "c:\\myfolder\\myfile.txt"
alternatively you can do this:
var myString = @"c:\myFolder\myfile.txt"
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How to write a UTF-8 file with Java?
...mons.
You should be able to do something like:
File f = new File("output.txt");
FileUtils.writeStringToFile(f, document.outerHtml(), "UTF-8");
This will create the file if it does not exist.
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How to use double or single brackets, parentheses, curly braces
...n specify file paths as script input/output. if I specify $SRC_ROOT/myFile.txt or ${SRC_ROOT}/myFile.txt (SRC_ROOT var is exported by the build system) - doesn't work. only $(SRC_ROOT)/myFile.txt works. What could be the reason? clearly var name isn't a command?
– Motti Shneor
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Replace a string in shell script using a variable
...e, you need to use double-quotes like
sed -i "s#12345678#$replace#g" file.txt
This will break if $replace contain special sed characters (#, \). But you can preprocess $replace to quote them:
replace_quoted=$(printf '%s' "$replace" | sed 's/[#\]/\\\0/g')
sed -i "s#12345678#$replace_quoted#g" fil...