大约有 43,000 项符合查询结果（耗时：0.0283秒） [XML]
Maximum length for MD5 input/output
...ngs use an array internally, therefore, a string can only contain (2^31)-1 characters (or less, depending on the heap size).That would also be your maximum input for the MD5 function in Java. But pure theoretically, the MD5 function could process indeed an input of arbitrary length. ;)
...
Changing the selected option of an HTML Select element
In my HTML, I have a <select> with three <option> elements. I want to use jQuery to check each option's value against a Javascript var . If one matches, I want to set the selected attribute of that option. How would I do that?
...
Is it possible to use the SELECT INTO clause with UNION [ALL]?
...
This works in SQL Server:
SELECT * INTO tmpFerdeen FROM (
SELECT top 100 *
FROM Customers
UNION All
SELECT top 100 *
FROM CustomerEurope
UNION All
SELECT top 100 *
FROM CustomerAsia
UNION All
SELECT top 100 *
FROM CustomerAme...
How to make the first option of selected with jQuery
How do I make the first option of selected with jQuery?
27 Answers
27
...
jQuery select2 get value of select tag?
...
$("#first").val(); // this will give you value of selected element. i.e. 1,2,3.
share
|
improve this answer
|
follow
|
...
How to sort an array of integers correctly
...sn't. Confusing for other developers to read your code, just to save a few chars. Don't depend on side effects - code with purpose!
– bambery
Dec 2 '16 at 5:03
14
...
Best way to test if a row exists in a MySQL table
...
You could also try EXISTS:
SELECT EXISTS(SELECT * FROM table1 WHERE ...)
and per the documentation, you can SELECT anything.
Traditionally, an EXISTS subquery starts with SELECT *, but it could
begin with SELECT 5 or SELECT column1 or anything ...
Word-wrap in an HTML table
...uld potentially preprocess the text and wrap only long words (say, > 40 chars) in the <span>.
– nornagon
Jun 2 '11 at 8:30
9
...
Is there a __CLASS__ macro in C++?
...
That's better. As for knowing the class, defining char array sounds better than postponing it till runtime.
– Michael Krelin - hacker
Nov 3 '09 at 12:21
5
...
CSS disable text selection
Currently, I have put this in the body tag to disable text selections:
9 Answers
9
...