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Why is arr = [] faster than arr = new Array?
...on so you can understand how much more (or less) processing is required.
Based on the above tokens, we know as a fact ARRAY_INIT will always produce an array. We therefore simply create an array and populate it. As far as ambiguity, the lexical analysis stage has already distinguished ARRAY_INIT...
How do I add a tool tip to a span element?
...ning the tooltip, just use the attribute selector and change the placement based on the attribute's value.
Example here (with code) / Full screen example
Full CSS used in the example - customize this to your needs.
[data-tooltip] {
display: inline-block;
position: relative;
cursor: he...
How to avoid explicit 'self' in Python?
...
One extreme example: you can write a class without any knowledge of what base classes it might have, and always know whether you are accessing a member or not:
class A(some_function()):
def f(self):
self.member = 42
self.method()
That's the complete code! (some_function returns the t...
Differences between Octave and MATLAB? [closed]
... management systems, report generation, a much larger community & user base, etc. etc. etc. MATLAB is only a small part of something much larger. Octave is...just Octave.
So, my advice:
Find out if your school will pay for MATLAB. Often they will.
If they don't, and if you can scrape togeth...
How to implement common bash idioms in Python? [closed]
...workarounds implanted in the OS. The novelty of microtools (awk, sed, top, base, etc) wore off the day everybody decided to roll their own version. I cringe when I imagine the amount of man-hours wasted on crappy little tools that could easy be replaced by a couple well designed Python modules. ::si...
WaitAll vs WhenAll
...ception : Exception
{
public CustomException(String message) : base(message)
{ }
}
static void WaitAndThrow(int id, int waitInMs)
{
Console.WriteLine($"{DateTime.UtcNow}: Task {id} started");
Thread.Sleep(waitInMs);
throw new CustomException(...
Easiest way to upgrade eclipse 3.7 to 4.2 (Juno)
So since Eclipse juno is based on 4.2 instead of 3.7, what is the easiest way to upgrade to it, short of installing a separate copy of juno and re-installing all my existing plugins from 3.7 into it?
...
Detach many subdirectories into a new, separate Git repository
This question is based on Detach subdirectory into separate Git repository
10 Answers
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Scala actors: receive vs react
...
Just to have it here:
Event-Based Programming without Inversion of Control
These papers are linked from the scala api for Actor and provide the theoretical framework for the actor implementation. This includes why react may never return.
...
How Do I Fetch All Old Items on an RSS Feed?
...cted with it you could retrieve this stored informaton from the google database servers.
Now that they have retired the service, to my knowledge you have two choices. You either have to start collection of this information from your feeds of interest and store the data using XML or some such, or...