大约有 47,000 项符合查询结果(耗时:0.0451秒) [XML]
Sorting an ArrayList of objects using a custom sorting order
...<Contact> contacts = new ArrayList<Contact>();
// Fill it.
// Now sort by address instead of name (default).
Collections.sort(contacts, new Comparator<Contact>() {
public int compare(Contact one, Contact other) {
return one.getAddress().compareTo(other.getAddress());
...
Why should text files end with a newline?
...miliar with the adage that all text files should end with a newline. I've known of this "rule" for years but I've always wondered — why?
...
Does the APNS device token ever change, once created?
...ferent devices with the exact same APNS token. I see in front of me right now an iPad 2, and an iPhone 3GS that have sent us the same token. Can anyone else confirm this behavior?
– DougW
Jun 23 '12 at 1:26
...
How do I make an attributed string using Swift?
...y.underlineStyle] = NSUnderlineStyle.double.rawValue
Attributed Strings
Now that you understand attributes, you can make attributed strings.
Initialization
There are a few ways to create attributed strings. If you just need a read-only string you can use NSAttributedString. Here are some ways t...
How can I install pip on Windows?
...e, C:\Python27\Scripts) to your path (Start / Edit environment variables). Now you should be able to run pip from the command line. Try installing a package:
pip install httpie
There you go (hopefully)! Solutions for common problems are given below:
Proxy problems
If you work in an office, you ...
Python constructors and __init__
...e one defined with same name in prior? :( my Q sounds silly.. should have known it
– 0xc0de
Jan 24 '12 at 11:38
4
...
How do Python functions handle the types of the parameters that you pass in?
...
Python is strongly typed because every object has a type, every object knows its type, it's impossible to accidentally or deliberately use an object of a type "as if" it was an object of a different type, and all elementary operations on the object are delegated to its type.
This has nothing to ...
How to store a command in a variable in a shell script?
...
$(...) is now recommended instead of backticks. y=$(eval $x) mywiki.wooledge.org/BashFAQ/082
– James Broadhead
Mar 11 '12 at 20:35
...
Add st, nd, rd and th (ordinal) suffix to a number
...eger − 10 mod 100, mapping 10 to 0, ... 99 to 89, 0 to 90, ..., 9 to 99. Now the integers ending in 11, 12, 13 are at the lower end (mapped to 1, 2, 3).
- 10: Now 10 is mapped to −10, 19 to −1, 99 to 79, 0 to 80, ... 9 to 89. The integers ending in 11, 12, 13 are mapped to negative integers (...
How to change the session timeout in PHP?
...ther with the rest of the session data:
session_start(); // ready to go!
$now = time();
if (isset($_SESSION['discard_after']) && $now > $_SESSION['discard_after']) {
// this session has worn out its welcome; kill it and start a brand new one
session_unset();
session_destroy()...
