大约有 40,000 项符合查询结果（耗时：0.0407秒） [XML]
jQuery convert line breaks to br (nl2br equivalent)
... return this.replace(/\n/g, "<br />");
}
Usage:
var myString = "test\ntest2";
myString.nl2br();
creating a string prototype function allows you to use this on any string.
share
|
impro...
When do I really need to use atomic instead of bool? [duplicate]
...
How come this is the lowest rated answer? This (or test_and_set in std::atomic_flag) is the main reason to use an atomic bool type.
– Szocske
Dec 2 '15 at 18:55
...
Delimiters in MySQL
..., using PHP and MySQLi:
$mysqli = new mysqli('localhost', 'user', 'pass', 'test');
$result = $mysqli->query('DELIMITER $$');
echo $mysqli->error;
Errors with:
You have an error in your SQL syntax; check the manual that corresponds
to your MySQL server version for the right syntax to use near...
Check whether an array is empty [duplicate]
...
function empty() does not work for testing empty arrays!
example:
$a=array("","");
if(empty($a)) echo "empty";
else echo "not empty"; //this case is true
a function is necessary:
function is_array_empty($a){
fo
Insert all values of a table into another table in SQL
...an error and roll back the transaction, meaning nothing gets copied. Worth testing though.
– Matt Hamilton
Jun 17 '09 at 21:01
add a comment
|
...
How can I see the raw SQL queries Django is running?
... The only thing is you see SQL queries on browser. If you run tests from terminal and wish to see it there, this is not a viable solution. Still great tho, I've been using it to this day.
– Erdin Eray
Dec 5 '19 at 12:47
...
How to get a URL parameter in Express?
...
Which version of express are you using? I just tested this on express-3.4.4 and it works fine.
– maček
Nov 20 '13 at 7:20
...
Best practice to validate null and empty collection in Java
...t you do, remember that the less code you write, the less code you need to test as the complexity of your code decreases.
share
|
improve this answer
|
follow
...
generate days from date range
...-01-24
2010-01-23
2010-01-22
2010-01-21
2010-01-20
Notes on Performance
Testing it out here, the performance is surprisingly good: the above query takes 0.0009 sec.
If we extend the subquery to generate approx. 100,000 numbers (and thus about 274 years worth of dates), it runs in 0.0458 sec.
In...
Eliminate extra separators below UITableView
...d wkw answer:
Simply adding only footer with height 0 will do the trick. (tested on sdk 4.2, 4.4.1)
- (void) addFooter
{
UIView *v = [[UIView alloc] initWithFrame:CGRectZero];
[self.myTableView setTableFooterView:v];
}
or even simpler - where you set up your tableview, add this line:
/...