大约有 42,000 项符合查询结果（耗时：0.0582秒） [XML]
Simplest way to read json from a URL in java
This might be a dumb question but what is the simplest way to read and parse JSON from URL in Java ?
11 Answers
...
Java Name Hiding: The Hard Way
...
You can cast a null to the type and then invoke the method on that (which will work, since the target object isn't involved in invocation of static methods).
((net.foo.X) null).doSomething();
This has the benefits of
being side-effect free (a problem w...
MySQL get row position in ORDER BY
...sition of 2 when the first query will give a position of 2 to one of them, and 3 to the other...
share
|
improve this answer
|
follow
|
...
Check if table exists without using “select from”
Is there a way to check if a table exists without selecting and checking values from it?
17 Answers
...
Android Layout with ListView and Buttons
Alright, this specific layout is just annoying me. And can't seem to find a way to have a listView, with a row of buttons at the bottom so that the listview doesn't extend over top of the buttons, and so the buttons are always snapped to the bottom of the screen. Here's what I want:
...
Input placeholders for Internet Explorer
...s, one I saw was jQuery-html5-placeholder.
I tried the demo out with IE9, and it looks like it wraps your <input> with a span and overlays a label with the placeholder text.
<label>Text:
<span style="position: relative;">
<input id="placeholder1314588474481" name="text" ...
What is a 'multi-part identifier' and why can't it be bound?
...d up rewriting the query, change the order of joins, change some groupings and then it eventually works, but I just don't quite get it.
...
Reading Xml with XmlReader in C#
I'm trying to read the following Xml document as fast as I can and let additional classes manage the reading of each sub block.
...
Using printf with a non-null terminated string
Suppose you have a string which is NOT null terminated and you know its exact size, so how can you print that string with printf in C? I recall such a method but I can not find out now...
...
SQL Server: Query fast, but slow from procedure
...s" in your stored procedure queries, but read the original for more understanding, it's a great write up. e.g.
Slow way:
CREATE PROCEDURE GetOrderForCustomers(@CustID varchar(20))
AS
BEGIN
SELECT *
FROM orders
WHERE customerid = @CustID
END
Fast way:
CREATE PROCEDURE GetOrderForCus...