大约有 47,000 项符合查询结果(耗时:0.0557秒) [XML]
Fastest way to convert string to integer in PHP
...
(int) "0": 0.42461
intval("0"): 0.95683 (225%)
(int) int: 0.1502
intval(int): 0.65716 (438%)
(int) array("a", "b"): 0.91264
intval(array("a", "b")): 1.47681 (162%)
(int) "hello": 0.42208
intval("hello"): ...
What are best practices for validating email addresses on iOS 2.0
...email address explains in great detail that the grammar specified in RFC 5322 is too complicated for primitive regular expressions.
I recommend a real parser approach like MKEmailAddress.
As quick regular expressions solution see this modification of DHValidation:
- (BOOL) validateEmail: (NSStr...
Vagrant's port forwarding not working [closed]
...
Steve LoshSteve Losh
18.5k22 gold badges4848 silver badges4444 bronze badges
...
startsWith() and endsWith() functions in PHP
... |
edited Jul 16 at 22:38
Valerio Bozz
55544 silver badges2121 bronze badges
answered May 7 '09 at...
git add . vs git commit -a
...
|
edited Aug 22 '10 at 13:42
answered Aug 22 '10 at 13:36
...
Find the most frequent number in a numpy vector
...
JoshAdelJoshAdel
53.3k2222 gold badges125125 silver badges126126 bronze badges
...
Django set default form values
...
answered Mar 2 '09 at 22:29
Sergey GolovchenkoSergey Golovchenko
15.8k1515 gold badges5151 silver badges7070 bronze badges
...
When increasing the size of VARCHAR column on a large table could there be any problems?
...
|
edited Sep 22 '11 at 11:00
answered Sep 22 '11 at 10:53
...
AngularJS - wait for multiple resource queries to complete
... |
edited Mar 8 '13 at 22:01
answered Mar 8 '13 at 18:01
...
MySQL: Insert record if not exists in table
...names (name, address, tele)
SELECT * FROM (SELECT 'Rupert', 'Somewhere', '022') AS tmp
WHERE NOT EXISTS (
SELECT name FROM table_listnames WHERE name = 'Rupert'
) LIMIT 1;
Query OK, 1 row affected (0.00 sec)
Records: 1 Duplicates: 0 Warnings: 0
SELECT * FROM `table_listnames`;
+----+-------...