大约有 7,000 项符合查询结果（耗时：0.0155秒） [XML]
How do I do a not equal in Django queryset filtering?
...lookup_name = 'ne'
def as_sql(self, qn, connection):
lhs, lhs_params = self.process_lhs(qn, connection)
rhs, rhs_params = self.process_rhs(qn, connection)
params = lhs_params + rhs_params
return '%s <> %s' % (lhs, rhs), params
Then you need to register it...
Constructor overload in TypeScript
...h all overloads. In your example, this can easily be done with an optional parameter as in,
interface IBox {
x : number;
y : number;
height : number;
width : number;
}
class Box {
public x: number;
public y: number;
public height: number;
public width: number;
...
Resumable downloads when using PHP to send the file?
...hp
/**
* Get the value of a header in the current request context
*
* @param string $name Name of the header
* @return string|null Returns null when the header was not sent or cannot be retrieved
*/
function get_request_header($name)
{
$name = strtoupper($name);
// IIS/Some Apache ver...
Equivalent of .try() for a hash to avoid “undefined method” errors on nil? [duplicate]
...; is not a drop in replacement of #try. Take a look at this example:
> params = nil
nil
> params&.country
nil
> params = OpenStruct.new(country: "Australia")
#<OpenStruct country="Australia">
> params&.country
"Australia"
> params&.country&.name
NoMethodError: u...
Matplotlib make tick labels font size smaller
...e tick label objects, you can use plt.setp. (Also, have a look at ax.tick_params) For example, you can just do plt.setp(ax.get_xticklabels(), rotation='vertical', fontsize=14). Also, axes objects have an ax.is_last_row() method which can be handy in cases like your example. Instead of if i != len...
Using javadoc for Python documentation [closed]
...le could look as follows:
"""Replaces template placeholder with values.
:param timestamp: formatted date to display
:param priority: priority number
:param priority_name: priority name
:param message: message to display
:returns: formatted string
"""
Or extended with type information:
"""Replac...
Change the Right Margin of a View Programmatically?
... void setMargins (View v, int l, int t, int r, int b) {
if (v.getLayoutParams() instanceof ViewGroup.MarginLayoutParams) {
ViewGroup.MarginLayoutParams p = (ViewGroup.MarginLayoutParams) v.getLayoutParams();
p.setMargins(l, t, r, b);
v.requestLayout();
}
}
You should...
MySQL和MongoDB设计实例进行对比 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...OT NULL,
PRIMARY KEY (`id`)
);
CREATE TABLE IF NOT EXISTS `mobile_params` (
`id` int(10) unsigned NOT NULL AUTO_INCREMENT,
`mobile_id` int(10) unsigned NOT NULL,
`name` varchar(100) NOT NULL,
`value` varchar(100) NOT NULL,
PRIMARY KEY (`id`)
);
INSERT INTO `mobi...
How do I get a raw, compiled SQL query from a SQLAlchemy expression?
...bject and want to get the text of the compiled SQL statement, with all its parameters bound (e.g. no %s or other variables waiting to be bound by the statement compiler or MySQLdb dialect engine, etc).
...
How to construct a timedelta object from a simple string
...r)
if not parts:
return
parts = parts.groupdict()
time_params = {}
for (name, param) in parts.iteritems():
if param:
time_params[name] = int(param)
return timedelta(**time_params)
>>> from parse_time import parse_time
>>> parse_time...