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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.
...
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() {
...
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.
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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, ...
How to resize Twitter Bootstrap modal dynamically based on the content
I have database content which has different types of data, such as Youtube videos, Vimeo videos, text, Imgur pictures, etc. All of them have different heights and widths. All I have found while searching the Internet is changing the size to only one parameter. It has to be same as the content in the...
Exit Shell Script Based on Process Exit Code
I have a shell script that executes a number of commands. How do I make the shell script exit if any of the commands exit with a non-zero exit code?
...