大约有 23,000 项符合查询结果（耗时：0.0407秒） [XML]
Threading pool similar to the multiprocessing Pool?
...
I just found out that there actually is a thread-based Pool interface in the multiprocessing module, however it is hidden somewhat and not properly documented.
It can be imported via
from multiprocessing.pool import ThreadPool
It is implemented using a dummy Process cla...
Proper way to implement IXmlSerializable?
...ce is an absolute requirement, this solution is not for you!
class ExampleBaseClass : IXmlSerializable {
public XmlDocument xmlDocument { get; set; }
public XmlSchema GetSchema()
{
return null;
}
public void ReadXml(XmlReader reader)
{
xmlDocument.Load(reade...
classical inheritance vs prototypal inheritance in javascript
...lar that you can actually use prototypes to model classes:
function CLASS(base, body) {
if (arguments.length < 2) body = base, base = Object.prototype;
var prototype = Object.create(base, {new: {value: create}});
return body.call(prototype, base), prototype;
function create() {
...
Java time-based map/cache with expiring keys [closed]
Do any of you know of a Java Map or similar standard data store that automatically purges entries after a given timeout? This means aging, where the old expired entries “age-out” automatically.
...
How to return raw string with ApiController?
...tml"
)
};
}
or
public IHttpActionResult Get()
{
return base.ResponseMessage(new HttpResponseMessage()
{
Content = new StringContent(
"<strong>test</strong>",
Encoding.UTF8,
"text/html"
)
});
}
...
Selecting pandas column by location
...
You could use label based using .loc or index based using .iloc method to do column-slicing including column ranges:
In [50]: import pandas as pd
In [51]: import numpy as np
In [52]: df = pd.DataFrame(np.random.rand(4,4), columns = list('abcd...
Gridview height gets cut
...sExpanded = false;
public ExpandableHeightGridView(Context context) : base(context)
{
}
public ExpandableHeightGridView(Context context, IAttributeSet attrs) : base(context, attrs)
{
}
public ExpandableHeightGridView(Context context, IAttributeS...
Why do results vary based on curly brace placement?
....
An example from my blog post about this (Javascript – almost not line based):
If you format the code like this:
function getAnswer() {
var answer = 42;
return
answer;
}
Then it is interpreted like this:
function getAnswer() {
var answer = 42;
return;
answer;
}
The retur...
Calling a static method on a generic type parameter
...d the CLR) do not support virtual static methods. So:
T.StaticMethodOnSomeBaseClassThatReturnsCollection
...can be no different than:
SomeBaseClass.StaticMethodOnSomeBaseClassThatReturnsCollection
Going through the generic type parameter is an unneeded indirection and hence not supported.
...
Generating v5 UUID. What is name and namespace?
... clearly not ideal.
This is where the hierarchy comes in: you create one "base" UUID (of whatever type), and then use that as a namespace for naming your other namespaces! That way, you only have to publish the base UUID (or use an obvious one), and everyone can calculate the rest.
For instance, ...