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Set the selected index of a Dropdown using jQuery
...ist with different selected index value?
– SearchForKnowledge
Apr 15 '15 at 14:34
...
Java: Difference between PrintStream and PrintWriter
... System.err are still input/output
streams, not readers and writers. But now the PrintStream class internally converts Unicode
characters to the default host encoding in the same way the PrintWriter does. Objects of type
PrintStream act exactly like print writers when you use the print and pri...
How to programmatically round corners and set random background colors
...OP); if we are not having an border. But in case of border can you let me know the PorterDuff.Mode so that stroke color won't change
– Akhil Dad
Nov 19 '14 at 12:04
...
Why would someone use WHERE 1=1 AND in a SQL clause?
...
If the list of conditions is not known at compile time and is instead built at run time, you don't have to worry about whether you have one or more than one condition. You can generate them all like:
and <condition>
and concatenate them all together....
Webfonts or Locally loaded fonts?
...whichever option ends up with the smallest code and smallest font format.
Now, on to the CSS vs JS consideration. Let's look at the following piece of HTML:
<head>
<script type="text/javascript" src="script1.js"></script>
<link rel="stylesheet" type="text/css" href="st...
Find column whose name contains a specific string
...
Just iterate over DataFrame.columns, now this is an example in which you will end up with a list of column names that match:
import pandas as pd
data = {'spike-2': [1,2,3], 'hey spke': [4,5,6], 'spiked-in': [7,8,9], 'no': [10,11,12]}
df = pd.DataFrame(data)
s...
How to truncate a foreign key constrained table?
...ion 1:
Remove constraints
Perform TRUNCATE
Delete manually the rows that now have references to nowhere
Create constraints
Option 2: suggested by user447951 in their answer
SET FOREIGN_KEY_CHECKS = 0;
TRUNCATE table $table_name;
SET FOREIGN_KEY_CHECKS = 1;
...
Can I disable a CSS :hover effect via JavaScript?
...s */
}
.myclass_hover:hover {
/* example color */
color:#00A;
}
Now you can use Jquery to remove the class, for instance if the element has been clicked:
JQUERY
$('.myclass').click( function(e) {
e.preventDefault();
$(this).removeClass('myclass_hover');
});
Hope this answer...
Change a Rails application to production
...
This would now be
rails server -e production
Or, more compact
rails s -e production
It works for rails 3+ projects.
share
|
impr...
SPA best practices for authentication and session management
...in JavaScript.
This is the most RESTful solution. The server requires no knowledge of state whatsoever and authenticates every individual interaction with the user. Some REST enthusiasts (mostly strawmen) insist that maintaining any sort of state is heresy and will froth at the mouth if you think o...