大约有 40,000 项符合查询结果（耗时：0.0512秒） [XML]
Managing CSS Explosion
... and grouping related classes as closely as possible.
div.content ul.table_of_contents
div.content ul.table_of_contents li
div.content ul.table_of_contents li h1
div.content ul.table_of_contents li h2
div.content ul.table_of_contents li span.pagenumber
Think of the whole CSS structure as a tree...
Sorting object property by values
...
_.pairs turns an object into [ [key1, value1], [key2, value2] ]. Then call sort on that. Then call _.object on it to turn it back.
– Funkodebat
Feb 20 '14 at 14:45
...
Error installing mysql2: Failed to build gem native extension
...l issue (even when using the --with-mysql-config=/usr/local/mysql/bin/mysql_config )
– Americo Savinon
Mar 8 '13 at 21:32
2
...
Is object empty? [duplicate]
...Error)
isEmpty([]), // true
isEmpty({}), // true
isEmpty({length: 0, custom_property: []}), // true
isEmpty("Hello"), // false
isEmpty([1,2,3]), // false
isEmpty({test: 1}), // false
isEmpty({length: 3, custom_property: [1,2,3]}) // false
If you only need to handle ECMAScript5 browsers, you can u...
vagrant up failed, /dev/vboxnetctl: no such file or directory
...o module
available for the current kernel (2.6.32-358.23.2.el6.x86_64) or it failed to
load. Please recompile the kernel module and install it by
sudo /etc/init.d/vboxdrv setup
You will not be able to start VMs until this problem is fixed.
...
Random record from MongoDB
... enable geospatial indexing on a collection:
db.docs.ensureIndex( { random_point: '2d' } )
To create a bunch of documents with random points on the X-axis:
for ( i = 0; i < 10; ++i ) {
db.docs.insert( { key: i, random_point: [Math.random(), 0] } );
}
Then you can get a random document f...
UITableView with fixed section headers
...ain table style but don't float buz
setting table style set to group.
[_tableView setBackgroundView:nil];
_tableView.backgroundColor = [UIColor whiteColor];
share
|
improve this answer
...
vs.
...d to separate it's functionality from the embed tag. w3schools.com/tags/tag_object.asp It appears to me that the object tag is almost a 'Swiss army knife' tag while embed is purpose built for embedding content into a page.
– cmaynard
Apr 21 '15 at 12:40
...
Can I disable autolayout for a specific subview at runtime?
...perview];
[self setTranslatesAutoresizingMaskIntoConstraints:YES];
__weak UIView *weakSelf = self;
block(weakSelf);
[superview addSubview:self];
}
@end
I use it like this:
[cell.argumentLabel resizeWithBlock:^(UIView *view) {
[view setFrame:frame];
}];
Hope it helps.
...
querySelector search immediate children
...;
var hadId = true;
if( !elem.id ) {
hadID = false;
elem.id = 'some_unique_value';
}
sel = '#' + elem.id + sel;
var result = document.querySelectorAll( sel );
if( !hadId ) {
elem.id = '';
}
This certainly isn't jQuery code, but from what I remember, it is basically what they do. Not...