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node and Error: EMFILE, too many open files
...ertson.com/devlog/2014/1/11/how-to-determine-whats-causing-error-connect-emfile-nodejs.html
How To Isolate
This command will output the number of open handles for nodejs processes:
lsof -i -n -P | grep nodejs
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
...
nodejs 12211 ro...
How do I remove a single file from the staging area (undo git add)?
Situation: I have a Git repository with files already in the index. I make changes to several files, open Git and add these files to my staging area with "git add ."
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Convert XLS to CSV on command line
How could I convert an XLS file to a CSV file on the windows command line.
15 Answers
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Remove the last line from a file in Bash
I have a file, foo.txt , containing the following lines:
14 Answers
14
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Multiple file-extensions searchPattern for System.IO.Directory.GetFiles
What is the syntax for setting multiple file-extensions as searchPattern on Directory.GetFiles() ? For example filtering out files with .aspx and .ascx extensions.
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Find when a file was deleted in Git
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git log --full-history -- [file path] shows the changes of a file, work even if the file was deleted.
Example:
git log --full-history -- myfile
If you want to see only the last commit, which deleted a file use -1 in addition, e.g., git log --full...
How do you get a list of the names of all files present in a directory in Node.js?
I'm trying to get a list of the names of all the files present in a directory using Node.js. I want output that is an array of filenames. How can I do this?
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How to use support FileProvider for sharing content to other apps?
I'm looking for a way to correctly share (not OPEN) an internal file with external application using Android Support library's FileProvider .
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send/post xml file using curl command line
How can I send/post an xml file to a local server http://localhost:8080 using curl from the command line?
8 Answers
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Downloading a file from spring controllers
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@RequestMapping(value = "/files/{file_name}", method = RequestMethod.GET)
public void getFile(
@PathVariable("file_name") String fileName,
HttpServletResponse response) {
try {
// get your file as InputStream
InputStream is = ...