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How can I make a div stick to the top of the screen once it's been scrolled to?
...it: You should have the element with position absolute, once the scroll offset has reached the element, it should be changed to fixed, and the top position should be set to zero.
You can detect the top scroll offset of the document with the scrollTop function:
$(window).scroll(function(e){
var ...
How to make an immutable object in Python?
...able object in Python could be slightly tricky. You can't just override __setattr__ , because then you can't even set attributes in the __init__ . Subclassing a tuple is a trick that works:
...
MySQL Update Inner Join tables query
...ess AS b
INNER JOIN business_geocode AS g ON b.business_id = g.business_id
SET b.mapx = g.latitude,
b.mapy = g.longitude
WHERE (b.mapx = '' or b.mapx = 0) and
g.latitude > 0
Update:
Since you said the query yielded a syntax error, I created some tables that I could test it against and con...
How to make ruler always be shown in Sublime text 2?
...
Edit the "rulers" value in the default settings to contain the column number you want the ruler to be displayed on, and it will persist.
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How do you change the size of figures drawn with matplotlib?
...
Does this mean if you set DPI to 1, then figsize becomes a pixel unit instead of an inch unit? This would be more useful when using matplotlib on web and GUI interfaces.
– CMCDragonkai
Jul 17 '17 at 10:48
...
How do I configure Maven for offline development?
...Open Source. This is what we use in our organization, it is really easy to setup.
Artifactory acts as a proxy between your build tool (Maven, Ant, Ivy, Gradle etc.) and the outside world.
It caches remote artifacts so that you don’t have to download them over and over again.
It blocks unwanted (a...
UIButton: Making the hit area larger than the default hit area
....h
@interface UIButton (Extensions)
@property(nonatomic, assign) UIEdgeInsets hitTestEdgeInsets;
@end
UIButton+Extensions.m
#import "UIButton+Extensions.h"
#import <objc/runtime.h>
@implementation UIButton (Extensions)
@dynamic hitTestEdgeInsets;
static const NSString *KEY_HIT_TEST_ED...
Increasing nesting function calls limit
...g extension. PHP itself does not have a function nesting limit. Change the setting in your php.ini:
xdebug.max_nesting_level = 200
or in your PHP code:
ini_set('xdebug.max_nesting_level', 200);
As for if you really need to change it (i.e.: if there's a alternative solution to a recursive funct...
How to add a primary key to a MySQL table?
...ing keys and indexes to speed up copying:
-- USE THIS FOR MyISAM TABLES:
SET UNIQUE_CHECKS=0;
ALTER TABLE goods DISABLE KEYS;
INSERT INTO goods (... your column names ...) SELECT ... your column names FROM goods_old;
ALTER TABLE goods ENABLE KEYS;
SET UNIQUE_CHECKS=1;
OR
-- USE...
How to run a command before a Bash script exits?
If a Bash script has set -e , and a command in the script returns an error, how can I do some cleanup before the script exits?
...