大约有 16,000 项符合查询结果（耗时：0.0229秒） [XML]
How to get a resource id with a known resource name?
I want to access a resource like a String or a Drawable by its name and not its int id.
10 Answers
...
if (key in object) or if(object.hasOwnProperty(key)
...
Be careful - they won't produce the same result.
in will also return true if key gets found somewhere in the prototype chain, whereas Object.hasOwnProperty (like the name already tells us), will only return true if key is av...
MySQL foreign key constraints, cascade delete
...e foreign keys to keep the integrity and avoid orphans (I already use innoDB).
3 Answers
...
How do I perform an IF…THEN in an SQL SELECT?
...ons of SQL Server.
SELECT CAST(
CASE
WHEN Obsolete = 'N' or InStock = 'Y'
THEN 1
ELSE 0
END AS bit) as Saleable, *
FROM Product
You only need to do the CAST if you want the result as a Boolean value. If you are hap...
Variable declaration in a C# switch statement [duplicate]
Why is it that in a C# switch statement, for a variable used in multiple cases, you only declare it in the first case?
7 An...
CSS: fixed position on x-axis but not y?
...to fix a position on the x-axis only? So when a user scrolls up, the div tag will scroll up with it, but not side to side?
...
How and when to use ‘async’ and ‘await’
... things that async and await do is to make code easy to write and read - but is using them equal to spawning background threads to perform long duration logic?
...
What does ':' (colon) do in JavaScript?
I'm learning JavaScript and while browsing through the jQuery library I see : (colon) being used a lot. What is this used for in JavaScript?
...
How to get StackPanel's children to fill maximum space downward?
I simply want flowing text on the left, and a help box on the right.
4 Answers
4
...
Best approach to real time http streaming to HTML5 video client
I'm really stuck trying to understand the best way to stream real time output of ffmpeg to a HTML5 client using node.js, as there are a number of variables at play and I don't have a lot of experience in this space, having spent many hours trying different combinations.
...