大约有 19,594 项符合查询结果（耗时：0.0294秒） [XML]
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() {
...
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...
What represents a double in sql server?
...
I have to concur, and admit I was off base. I was introduced to decimal in the IBM DB2 world, where decimal is a real data type, supported by all flavors of code and the database on IBM platforms. Not that it isn't a real datatype in the MS world, but it is not...
Javascript - sort array based on another array
Is it possible to sort and rearrange an array that looks like this:
21 Answers
21
...
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"
)
});
}
...
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...
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...
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.
...
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, ...
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...