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Best practices for SQL varchar column length [closed]
...ole table, see e.g. here. Since 9.2 this is no longer the case and a quick test confirmed that increasing the column size for a table with 1.2 million rows indeed only took 0.5 seconds.
For Oracle this seems to be true as well, judging by the time it takes to alter a big table's varchar column. Bu...
Meaning of Git checkout double dashes
...ning the DWIM heuristic).
(DWIM: Do What I Mean)
Note that we didn't test the original feature in 28fcc0b71a at all.
So this patch not only tests for these corner cases, but also adds a regression test for the existing behavior.
...
time.sleep — sleeps thread or process?
...threads to continue to execute while the current one sleeps. You can also test this with a simple python program:
import time
from threading import Thread
class worker(Thread):
def run(self):
for x in xrange(0,11):
print x
time.sleep(1)
class waiter(Thread):
...
Keyboard shortcuts with jQuery
...text/javascript">
$(document).ready(function(){
$("#test").keypress(function(e){
if (e.which == 103)
{
alert('g');
};
});
});
</script>
<input type="text" id="test" />...
IntelliJ not recognizing a particular file correctly, instead its stuck as a text file
...liJ that the folder in question is a source code folder.
Then select the Test folder and press Tests.
That's it. Then it will recognize correctly the files and show errors as needed.
See below the screenshot.
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...
What is an example of the simplest possible Socket.io example?
...isten(3001, function(){
console.log('listening on *:3001');
});
//for testing, we're just going to send data to the client every second
setInterval( function() {
/*
our message we want to send to the client: in this case it's just a random
number that we generate on the server
*/
...
The JPA hashCode() / equals() dilemma
...ply insane. I'm new to hibernate workings under the hood, was writing unit tests, and found out that I can't delete an object from a set after modifying it, concluded that it is because of the hashcode change, but was unable to understand how to solve. The article is simple gorgeous!
...
“Unsafe JavaScript attempt to access frame with URL…” error being continuously generated in Chrome w
...
You could allow cross-domain requests during testing by running chrome with the --disable-web-security command line option. This should probably get rid of the error (and allow FB to spy on your testing ;)
...
How to change options of with jQuery?
...ur html code contain this code:
<select id="selectId"><option>Test1</option><option>Test2</option></select>
In order to change the list of option inside your select, you can use this code bellow. when your name select named selectId.
var option = $('<optio...
How to pad zeroes to a string?
...e a string of 10 characters long, padding as necessary.
>>> t = 'test'
>>> t.rjust(10, '0')
>>> '000000test'
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