大约有 47,000 项符合查询结果（耗时：0.0923秒） [XML]
Strtotime() doesn't work with dd/mm/YYYY format
I really like the strtotime() function, but the user manual doesn't give a complete description of the supported date formats. strtotime('dd/mm/YYYY') doesn't work, it works only with mm/dd/YYYY format.
...
Controlling fps with requestAnimationFrame?
It seems like requestAnimationFrame is the de facto way to animate things now. It worked pretty well for me for the most part, but right now I'm trying to do some canvas animations and I was wondering: Is there any way to make sure it runs at a certain fps? I understand that the purpose of rAF is ...
How JavaScript closures are garbage collected
I've logged the following Chrome bug , which has led to many serious and non-obvious memory leaks in my code:
6 Answers
...
How To Save Canvas As An Image With canvas.toDataURL()?
I'm currently building a HTML5 web app/Phonegap native app and I can't seem to figure out how to save my canvas as an image with canvas.toDataURL() . Can somebody help me out?
...
How to center an iframe horizontally?
Consider the following example: ( live demo )
11 Answers
11
...
Assign variable value inside if-statement [duplicate]
I was wondering whether it is possible to assign a variable a value inside a conditional operator like so:
9 Answers
...
INSERT … ON DUPLICATE KEY (do nothing)
I have a table with a unique key for two columns:
3 Answers
3
...
How to drop columns by name in a data frame
I have a large data set and I would like to read specific columns or drop all the others.
11 Answers
...
iPad Web App: Detect Virtual Keyboard Using JavaScript in Safari?
I'm writing a web app for the iPad ( not a regular App Store app - it's written using HTML, CSS and JavaScript). Since the keyboard fills up a huge part of the screen, it would make sense to change the app's layout to fit the remaining space when the keyboard is shown. However, I have found no way ...
Remove all values within one list from another list? [duplicate]
I am looking for a way to remove all values within a list from another list.
7 Answers
...