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What are .NET Assemblies?
...an be executed by the .NET runtime environment. A .NET program consists of one or more assemblies.
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Transposing a NumPy array
... into a 2D array and then transpose it, just slice it with np.newaxis (or None, they're the same, newaxis is just more readable).
import numpy as np
a = np.array([5,4])[np.newaxis]
print(a)
print(a.T)
Generally speaking though, you don't ever need to worry about this. Adding the extra dimension i...
Set custom HTML5 required field validation message
I have one form with many input fields. I have put html5 validations
11 Answers
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Get all non-unique values (i.e.: duplicate/more than one occurrence) in an array
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// JS by default uses a crappy string compare.
// (we use slice to clone the array so the
// original array won't be modified)
let results = [];
for (let i = 0; i < sorted_arr.length - 1; i++) {
if (sorted_arr[i + 1] == sorted_arr[i]) {
results.push(sorted_arr[i]);
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Swift compiler segmentation fault when building
... Swift has been giving me unpleasant surprises all along the way, but this one is way over the limit.
– CodeBrew
Feb 15 '15 at 22:37
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select and update database record with a single queryset
...statements on the same queryset rather than having to do two queries:
- one to select the object
- and one to update the object
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Composer: how can I install another dependency without updating old ones?
I have a project with a few dependencies and I'd like to install another one, but I'd like to keep the others the way they are. So I've edited the composer.json , but if I run composer install , I get the following output:
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OpenID vs. OAuth [duplicate]
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OpenID is a way to specify one identity for multiple sites so you don't need to register over and over again.
OAuth is a way to allow one application access to one account without giving said application your account login information. You can use th...
Why does Java's hashCode() in String use 31 as a multiplier?
...iplying by 31 can be relatively cheap. On an ARM, for instance, it is only one instruction:
RSB r1, r0, r0, ASL #5 ; r1 := - r0 + (r0<<5)
Most other processors would require a separate shift and subtract instruction. However, if your multiplier is slow this is still a win. Modern p...
Is there an alternative to bastard injection? (AKA poor man's injection via default constructor)
...d Local Default, in which case the dependency can be regarded as optional. One way to deal with optional dependencies is to use Property Injection instead of Constructor Injection - in fact, this is sort of the poster scenario for Property Injection.
However, the real danger of Bastard Injection is...