大约有 40,000 项符合查询结果（耗时：0.0211秒） [XML]
Coalesce function for PHP?
...echo '' ?: 'B';
// B
echo false ?: 'B';
// B
echo null ?: 'B';
Source: http://www.php.net/ChangeLog-5.php#5.3.0
share
|
improve this answer
|
follow
|
...
MongoDB/Mongoose querying at a specific date?
...se following approach for API method to get results from specific day:
# [HTTP GET]
getMeals: (req, res) ->
options = {}
# eg. api/v1/meals?date=Tue+Jan+13+2015+00%3A00%3A00+GMT%2B0100+(CET)
if req.query.date?
date = new Date req.query.date
date.setHours 0, 0, 0, 0
endDate = ne...
PHP Regex to get youtube video ID?
...xisting variable.
Putting everything together, we have:
<?php
$url = "http://www.youtube.com/watch?v=C4kxS1ksqtw&feature=relate";
parse_str( parse_url( $url, PHP_URL_QUERY ), $my_array_of_vars );
echo $my_array_of_vars['v'];
// Output: C4kxS1ksqtw
?>
Working example
Edit:
he...
What are good uses for Python3's “Function Annotations”
...last):
...
AssertionError: Var: y Value: 31.1 Test: is_int
Also see http://www.python.org/dev/peps/pep-0362/ for a way to implement type checking.
share
|
improve this answer
|
...
What is Lazy Loading?
... can implement lazy loading and advantages and disadvantages of the same.
http://www.youtube.com/watch?v=2SrfdAkwmFo
share
|
improve this answer
|
follow
|
...
__attribute__ - C/C++ - 清泛网 - 专注C/C++及内核技术
... ...){ /* 函数定义 */}
更多的属性含义参考：http://gcc.gnu.org/onlinedocs/gcc-4.0.0/gcc/Function-Attributes.html
变量属性（Variable Attributes）
关键字__attribute__也可以对变量（variable）或结构体成员（structure
field）进行属性设置...
Define css class in django Forms
...
Answered my own question. Sigh
http://docs.djangoproject.com/en/dev/ref/forms/widgets/#django.forms.Widget.attrs
I didn't realize it was passed into the widget constructor.
share
...
How do I install cygwin components from the command line?
...ately, but it is not entirely stable and
relies on workarounds.
apt-cyg: http://github.com/transcode-open/apt-cyg
Check out the issues tab for the project to see the known problems.
share
|
impro...
Mongoose, Select a specific field with find
... if (err) return next(err);
res.json(users);
});
}
http://docs.mongodb.org/manual/reference/method/db.collection.find/
Note:
var usersProjection
The list of objects listed here will not be returned / printed.
...
How to replace a hash key with another key
...as standard method for it:
hash.transform_keys{ |key| key.to_s.upcase }
http://api.rubyonrails.org/classes/Hash.html#method-i-transform_keys
UPD: ruby 2.5 method
share
|
improve this answer
...