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Node.js on multi-core machines
... just how insanely hard it is to debug multi-threaded code. For a deeper explanation of the Node.js process model and why it works this way (and why it will NEVER support multiple threads), read my other post.
So how do I take advantage of my 16 core box?
Two ways:
For big heavy compute tasks l...
ArrayIndexOutOfBoundsException when using the ArrayList's iterator
...t)
if (s.equals(value))
// ...
As for
java.lang.ArrayIndexOutOfBoundsException: -1
You just tried to get element number -1 from an array. Counting starts at zero.
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How to set request headers in rspec request spec?
...you would use: request.env["HTTP_ACCEPT"] =
– Alex Soto
Feb 6 '13 at 21:54
5
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Reference assignment operator in PHP, =&
...
It's not deprecated and is unlikely to be. It's the standard way to, for example, make part of one array or object mirror changes made to another, instead of copying the existing data.
It's called assignment by reference, which, to quote the manual, "means that both variables end up pointing at th...
How to count the number of files in a directory using Python
...
@HelloGoodbye That's exactly the reason.
– ellockie
Nov 29 '16 at 16:28
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How to do this in Laravel, subquery where in
...on for Fluent: http://laravel.com/docs/queries#advanced-wheres
Here's an example of what you're trying to achieve:
DB::table('users')
->whereIn('id', function($query)
{
$query->select(DB::raw(1))
->from('orders')
->whereRaw('orders.user_id = ...
How to unescape HTML character entities in Java?
... Class StringEscapeUtils is deprecated and moved to Apache commons-text
– Pauli
Dec 3 '18 at 22:16
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How to remove gaps between subplots in matplotlib?
...
You can use gridspec to control the spacing between axes. There's more information here.
import matplotlib.pyplot as plt
import matplotlib.gridspec as gridspec
plt.figure(figsize = (4,4))
gs1 = gridspec.GridSpec(4, 4)
gs1.update(wspace=0.025, hspace=0.05) # set the spacing b...
Guid is all 0's (zeros)?
...uid() instead of calling the default constructor.
var responseObject = proxy.CallService(new RequestObject
{
Data = "misc. data",
Guid = Guid.NewGuid()
});
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Pelican 3.3 pelican-quickstart error “ValueError: unknown locale: UTF-8”
...posted here or here. Basically, add some lines to your ~/.bash_profile:
export LC_ALL=en_US.UTF-8
export LANG=en_US.UTF-8
There is an outstanding bug report related to this issue. It appears that Python makes some assumptions about the format of locale names that aren't universally valid. Expl...