大约有 40,000 项符合查询结果（耗时：0.0715秒） [XML]
Relative URL to a different port number in a hyperlink?
...|
edited Nov 23 '18 at 20:32
Community♦
111 silver badge
answered May 16 '11 at 10:56
...
How can I SELECT rows with MAX(Column value), DISTINCT by another column in SQL?
...
You are so close! All you need to do is select BOTH the home and its max date time, then join back to the topten table on BOTH fields:
SELECT tt.*
FROM topten tt
INNER JOIN
(SELECT home, MAX(datetime) AS MaxDateTime
FROM topten
GR...
How to detect if a variable is an array
...ng() (this is guaranteed to work by ECMA-262):
Object.prototype.toString.call(obj) === '[object Array]'
Both methods will only work for actual arrays and not array-like objects like the arguments object or node lists. As all array-like objects must have a numeric length property, I'd check for th...
How to use UIVisualEffectView to Blur Image?
Could someone give a small example of applying the blur to an image? I've been trying to figure out the code for a while now :( still new at obj c!
...
How to define a circle shape in an Android XML drawable file?
...
answered Aug 11 '11 at 17:32
goosemanjackgoosemanjack
91288 silver badges77 bronze badges
...
How do I read from parameters.yml in a controller in symfony2?
...and then - the needed parameter.
$this->container->getParameter('api_user');
This documentation chapter explains it.
While $this->get() method in a controller will load a service (doc)
In Symfony 2.7 and newer versions, to get a parameter in a controller you can use the following:
$th...
Specifying an Index (Non-Unique Key) Using JPA
...Table;
@Entity
@Table(name = "region",
indexes = {@Index(name = "my_index_name", columnList="iso_code", unique = true),
@Index(name = "my_index_name2", columnList="name", unique = false)})
public class Region{
@Column(name = "iso_code", nullable = false)
priva...
Is there any way to git checkout previous branch?
...
wow, I totally should have just tried it! figured - was a shell-ism, and that if the functionality was in git, it would be something different
– Matt Briggs
Aug 26 '11 at 16:17
...
How to have stored properties in Swift, the same way I had on Objective-C?
...n't work : static var means that the value of the property is the same for all instance
– Fry
Mar 8 '17 at 15:40
@fry ...
HTML5 Canvas 100% Width Height of Viewport?
....getContext('2d');
// resize the canvas to fill browser window dynamically
window.addEventListener('resize', resizeCanvas, false);
function resizeCanvas() {
canvas.width = window.innerWidth;
canvas.height = window.innerHeight;
/**
* You...