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void in C# generics?
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(Joke) And he can still return void from those would-be-void methods, with return System.Runtime.Serialization.FormatterServices.GetUninitializedObject(typeof(void));. It will be a boxed void, though.
– Jeppe Stig Nielsen
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Are Java static calls more or less expensive than non-static calls?
... to say "premature opimisation is the root of all evil" I'd get 1000 votes from people who know as much about performance as the parrot.
– rghome
Jan 28 '19 at 14:54
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Override browser form-filling and input highlighting with HTML/CSS
...n use:
<form autocomplete="off">
regarding the coloring-problem:
from your screenshot i can see that webkit generates the following style:
input:-webkit-autofill {
background-color: #FAFFBD !important;
}
1) as #id-styles are even more important than .class styles, the following may ...
Display image as grayscale using matplotlib
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The following code will load an image from a file image.png and will display it as grayscale.
import numpy as np
import matplotlib.pyplot as plt
from PIL import Image
fname = 'image.png'
image = Image.open(fname).convert("L")
arr = np.asarray(image)
plt.imshow(...
Difference between a Seq and a List in Scala
...rder of elements. Sequences provide a method apply() for indexing, ranging from 0 up to the length of the sequence. Seq has many subclasses including Queue, Range, List, Stack, and LinkedList.
A List is a Seq that is implemented as an immutable linked list. It's best used in cases with last-in firs...
How can I display an RTSP video stream in a web page?
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It’s not easy to display live video stream from an IP camera on a web page because you need wide internet bandwidth and a great video player that is compatible with the major browsers.
But fortunately there are some cloud based services that can do this job for us. O...
What is wrong with using goto? [duplicate]
...oops. For example, extract the nested loops into a new function and return from there when the condition that triggers the goto is satisfied. I only see goto being used only to get an extra bit of performance
– mljrg
Oct 4 '19 at 9:57
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Why do people say that Ruby is slow? [closed]
...n't find much news on
Ruby 2.0 - I take it we're a good few
years away from that then?
Most folks are waiting for Ruby 1.9.1. I myself am waiting for Rails 3.1 on Ruby 1.9.1 on JRuby.
Finally, please remember that a lot of developers choose Ruby because it makes programming a more joyful exp...
How to get JavaScript caller function line number? How to get JavaScript caller source URL?
...ounds you need - eg fixed for Chrome array logging) and still line numbers from wherever you called log().
– mikemaccana
Apr 17 '12 at 12:16
60
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Call a REST API in PHP
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The answer from @colan below is way better - it saves you the whole hassle with building your own error handling and wrapper methods.
– Andreas
Nov 10 '16 at 11:08
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