大约有 40,000 项符合查询结果（耗时：0.0241秒） [XML]
Remove excess whitespace from within a string
I receive a string from a database query, then I remove all HTML tags, carriage returns and newlines before I put it in a CSV file. Only thing is, I can't find a way to remove the excess white space from between the strings.
...
json_encode() escaping forward slashes
... use ' quotation mark as well as " quotation mark. So in JSON I type:
"index4":{"<a href='http://example.com'>example</a>"}
See website ev.bingo as the working example:
"v4":["Audi e-tron Q4 Sportback fully utilizes a MEPP Modular Electric Propulsion Platform, which is shared among ...
What's faster, SELECT DISTINCT or GROUP BY in MySQL?
...
DISTINCT will be faster only if you DON'T have an index (as it doesn't sort). When you do have an index and it's used, they're synonyms.
– Quassnoi
Feb 27 '09 at 15:11
...
Get the first element of an array
...rray_shift(array_slice($array, 0, 1));
With PHP 5.4+ (but might cause an index error if empty):
array_values($array)[0];
share
|
improve this answer
|
follow
...
round() for float in C++
...ger for several inputs including 0.49999999999999994. See blog.frama-c.com/index.php?post/2013/05/02/nearbyintf1
– Pascal Cuoq
May 4 '13 at 18:23
10
...
How to check if mod_rewrite is enabled in php?
...ng mod_php, you can use apache_get_modules(). This will return an array of all enabled modules, so to check if mod_rewrite is enabled, you could simply do
in_array('mod_rewrite', apache_get_modules());
Unfortunately, you're most likely trying to do this with CGI, which makes it a little bit more ...
How do I set bold and italic on UILabel of iPhone/iPad?
...Helvetica-BoldOblique. See the UIFont documentation here iphonedevwiki.net/index.php/UIFont
– sudip
Feb 14 '13 at 9:54
1
...
Creating PHP class instance with a string
...able functions & methods.
$func = 'my_function';
$func('param1'); // calls my_function('param1');
$method = 'doStuff';
$object = new MyClass();
$object->$method(); // calls the MyClass->doStuff() method.
share
...
How to split the name string in mysql?
...le name will show as NULL if there is no middle name.
SELECT
SUBSTRING_INDEX(SUBSTRING_INDEX(fullname, ' ', 1), ' ', -1) AS first_name,
If( length(fullname) - length(replace(fullname, ' ', ''))>1,
SUBSTRING_INDEX(SUBSTRING_INDEX(fullname, ' ', 2), ' ', -1) ,NULL)
as m...
PHP expects T_PAAMAYIM_NEKUDOTAYIM?
...
Not really. Test this var_dump(empty(TRUE))
– machineaddict
Jun 5 '14 at 13:12
1
...