大约有 42,000 项符合查询结果（耗时：0.0441秒） [XML]
How to convert int[] to Integer[] in Java?
... anyway. I think it comes down to personal preference - I prefer one overridden function, some love using more explicit class.
– Sheepy
Jun 5 '15 at 5:39
2
...
In MySQL queries, why use join instead of where?
... in the WHERE clause
SELECT *
FROM TABLE_A a,
TABLE_B b
WHERE a.id = b.id
Here's the query re-written using ANSI-92 JOIN syntax:
SELECT *
FROM TABLE_A a
JOIN TABLE_B b ON b.id = a.id
From a Performance Perspective:
Where supported (Oracle 9i+, PostgreSQL 7.2+, MySQL 3.23+, SQ...
How can I convert a comma-separated string to an array?
... your array as integers and not as strings after splitting the string, consider converting them into such.
var str = "1,2,3,4,5,6";
var temp = new Array();
// This will return an array with strings "1", "2", etc.
temp = str.split(",");
Adding a loop like this,
for (a in temp ) {
temp[a] = parse...
Fastest way to implode an associative array with keys
...tes a URL-encoded query string from the associative (or indexed) array provided.
share
|
improve this answer
|
follow
|
...
Binary Data in MySQL [closed]
...
For a table like this:
CREATE TABLE binary_data (
id INT(4) NOT NULL AUTO_INCREMENT PRIMARY KEY,
description CHAR(50),
bin_data LONGBLOB,
filename CHAR(50),
filesize CHAR(50),
filetype CHAR(50)
);
Here is a PHP example:
<?php
// store.php3 - by ...
How to load a UIView using a nib file created with Interface Builder
...
Thank you all.
I did find a way to do what I wanted.
Create your UIView with the IBOutlets you need.
Create the xib in IB, design it to you liking and link it like this: The File's Owner is of class UIViewController (No custom subclass, but ...
How to get the last N records in mongodb?
...our question, you need to sort in ascending order.
Assuming you have some id or date field called "x" you would do ...
.sort()
db.foo.find().sort({x:1});
The 1 will sort ascending (oldest to newest) and -1 will sort descending (newest to oldest.)
If you use the auto created _id field it has ...
What is the second parameter of NSLocalizedString()?
...will be used if the strings file doesn't contain an entry that matches the identifier you specified.
– Oscar
Mar 7 '13 at 7:21
4
...
iOS - How to set a UISwitch programmatically
...in the developer API, the task setOn: animated: should do the trick.
- (void)setOn:(BOOL)on animated:(BOOL)animated
So to set the switch ON in your program, you would use:
Objective-C
[switchName setOn:YES animated:YES];
Swift
switchName.setOn(true, animated: true)
...
Difference between using bean id and name in Spring configuration file
Is there any difference between using an id attribute and name attribute on a <bean> element in a Spring configuration file?
...