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How can I exclude directories from grep -R?
...gt;/dev/null \;
SOLUTION 2 (using the --exclude-dir option of grep):
You know this solution already, but I add it since it's the most recent and efficient solution. Note this is a less portable solution but more human-readable.
grep -R --exclude-dir=node_modules 'some pattern' /path/to/search
To e...
How do servlets work? Instantiation, sessions, shared variables and multithreading
...afety
That said, your major concern is possibly thread safety. You should now know that servlets and filters are shared among all requests. That's the nice thing about Java, it's multithreaded and different threads (read: HTTP requests) can make use of the same instance. It would otherwise be too e...
Are there any open source C libraries with common data structures? [closed]
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And now it appears to be: github.com/davinash/cstl It hasn't been updated since 2012 though.
– domen
Jul 24 '17 at 9:24
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jQuery post() with serialize and extra data
...) and add the missing data:
var data = $('#myForm').serializeObject();
// now add some additional stuff
data['wordlist'] = wordlist;
$.post('/page.php', data);
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How to disable “Save workspace image?” prompt in R?
... this to ~/.Rprofile:
qs <- function(save="yes") { q(save=save)}
So now q() quits without saving (or prompting) but qs() will save and quit (also without prompting)
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Removing first x characters from string?
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@jamylak does it work, now , if so do you need to downvote?
– U10-Forward
Jan 29 at 1:36
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What's the difference between an id and a class?
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Just confused these two things for quite a long time. Now I understood that "id" should be referred with unique element while "class" can be applied into multiple elements or things according their difference
– Michael Lai
Jul 20 '13 at 3:0...
Differences between hard real-time, soft real-time, and firm real-time?
... the difference between hot and warm. There's not a real divide, but you know it when you feel it.
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Focus Input Box On Load
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Just a heads up - you can now do this with HTML5 without JavaScript for browsers that support it:
<input type="text" autofocus>
You probably want to start with this and build onto it with JavaScript to provide a fallback for older browsers.
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Convert string in base64 to image and save on filesystem in Python
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If the imagestr was bitmap data (which we now know it isn't) you could use this
imagestr is the base64 encoded string
width is the width of the image
height is the height of the image
from PIL import Image
from base64 import decodestring
image = Image.fromstring...