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What are the use cases for selecting CHAR over VARCHAR in SQL?
...mption that char uses less processing power than varchar may be true...for now...but database engines get better over time and this sort of general rule has the making of a future "myth".
Another thing: I have never seen a performance problem because someone decided to go with varchar. You will ma...
Copy Notepad++ text with formatting?
... "Export to HTML" works but not "Copy HTML to clipboard". Do you know why?
– Pacerier
Jul 3 '15 at 9:53
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Tools for making latex tables in R [closed]
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res <- x
res[oldx] <- NA
return(res)}
Now generate some fake data
data<-data.frame(animal=sample(c("elephant", "dog", "cat", "fish", "snake"), 100,replace=TRUE),
colour=sample(c("red", "blue", "green", "yellow"), 100,replace=TRUE),
siz...
source of historical stock data [closed]
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CSI is great but, just FYI, delisted stocks are now a premium service, no longer included in the basic packages. Just FYI.
– Olie
Nov 1 '14 at 23:29
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How to hide the keyboard when I press return key in a UITextField?
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class MyViewController: UIViewController, UITextFieldDelegate {
....
}
Now add a delegate to a TextField in which you want to dismiss the keyboard when return is tapped either in viewDidLoad method like below or where you are initializing it.
For eg.
override func viewDidLoad() {
super.vie...
Programmatically relaunch/recreate an activity?
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I used to utilze recreate() but now I see an odd problem where radio buttons do not get reset when recreating, but they do when finish(); startActivity(getIntent()); so I'm using this for now and see how it works over the next days or weeks.
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ImportError: No module named Crypto.Cipher
...install pycrypto
and reinstalling pycrypto:
sudo pip install pycrypto
Now it works as expected when I do something like:
from Crypto.Cipher import AES
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Django Server Error: port is already in use
... 0 0 :::3306 :::* LISTEN
So now just close the port in which Django/python running already by killing the process associated with it.
kill -9 PID
in my case
kill -9 6599
Now run your Django app.
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How do I convert an object to an array?
...l, for primitive data types like strings it will work great, but I don't know how it behaves with nested objects.
in your case you have to do something like;
<?php
print_r(get_object_vars($response->response->docs));
?>
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Detect home button press in android
This has been driving me nuts for a while now.
17 Answers
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