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How could the UNIX sort command sort a very large file?
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WARNING: This script starts one shell per chunk, for really large files, this could be hundreds.
Here is a script I wrote for this purpose. On a 4 processor machine it improved the sort performance by 100% !
#! /bin/ksh
MAX_LINES_PER_CHUNK=1...
git command to move a folder inside another
...hings about git " — one of the downsides of this nice feature is that it starts failing when you also modify the file that was renamed to a substantial extent, which causes it to see a deletion and addition of a new file, so frankly, I'd prefer explicit rename support instead.
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MenuItemCompat.getActionView always returns null
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Mohsen Afshin's answer above was my starting point and I made some tweaks to get it working with my setup:
@Override
public boolean onCreateOptionsMenu(Menu menu) {
MenuInflater inflater = getMenuInflater();
inflater.inflate(R.menu.menu, menu);
Men...
Is there a Unix utility to prepend timestamps to stdin?
...e.
$ echo -e "a\nb\nc" > lines
$ annotate-output cat lines
17:00:47 I: Started cat lines
17:00:47 O: a
17:00:47 O: b
17:00:47 O: c
17:00:47 I: Finished with exitcode 0
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How to index into a dictionary?
...e to improve performance.)
If you do care about the order of the entries, starting with Python 2.7 you can use collections.OrderedDict. Or use a list of pairs
l = [("blue", "5"), ("red", "6"), ("yellow", "8")]
if you don't need access by key. (Why are your numbers strings by the way?)
In Pyth...
Mercurial undo last commit
...tion. Transactions are a concept often found in databases. In Mercurial we start a transaction when certain operations are run, such as commit, push, pull...
When the operation finishes succesfully, the transaction is marked as complete. If an error occurs, the transaction is "rolled back" and the...
What should be the values of GOPATH and GOROOT?
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Starting in Go 1.10, if GOROOT is unset the go tool will try to figure it out by its own location. I also can’t paste the link because paste doesn’t work in Stack Exchange’s iOS app. Very frustrated right now.
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gitosis vs gitolite? [closed]
...ile
Change the git user's shell to be git-shell
Create repos on the server
start git pull/pushing to git@yourserver.com
The only difference between using a dedicated git user and not, is that if you setup the git user to use git-shell it won't allow itself to do anything else. In terms of acting a...
How to use icons and symbols from “Font Awesome” on Native Android Application
...http://www.sqisland.com/talks/beautiful-android
The icon font explanation starts at slide 34:
http://www.sqisland.com/talks/beautiful-android/#34
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View not attached to window manager crash
... {
if (pDialog == null) {
pDialog = new ProgressDialog(StartActivity.this);
pDialog.setMessage("Loading. Please wait...");
pDialog.setIndeterminate(false);
pDialog.setCancelable(false);
}
pDialog.show();
}
private void ...