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Is Fortran easier to optimize than C for heavy calculations?
... that Fortran is or can be faster then C for heavy calculations. Is that really true? I must admit that I hardly know Fortran, but the Fortran code I have seen so far did not show that the language has features that C doesn't have.
...
Fastest hash for non-cryptographic uses?
I'm essentially preparing phrases to be put into the database, they may be malformed so I want to store a short hash of them instead (I will be simply comparing if they exist or not, so hash is ideal).
...
How to diff a commit with its parent?
...rmed by a commit and its
parent commits exist. The r1^@ notation means all parents of r1. r1^!
includes commit r1 but excludes all of its parents.
This means that you can use 15dc8^! as a shorthand for 15dc8^..15dc8 anywhere in git where revisions are needed. For diff command the git di...
How to change the opacity (alpha, transparency) of an element in a canvas element after it has been
...;
Notes:
Set the 'src' last, to guarantee that your onload handler is called on all platforms, even if the image is already in the cache.
Wrap changes to stuff like globalAlpha between a save and restore (in fact use them lots), to make sure you don't clobber settings from elsewhere, particularl...
How to select unique records by SQL
... answered Oct 29 '09 at 5:09
mjalldaymjallday
8,52877 gold badges4747 silver badges6868 bronze badges
...
Ensuring json keys are lowercase in .NET
...m contract resolver for this. The following contract resolver will convert all keys to lowercase:
public class LowercaseContractResolver : DefaultContractResolver
{
protected override string ResolvePropertyName(string propertyName)
{
return propertyName.ToLower();
}
}
Usage:
...
Difference between FetchType LAZY and EAGER in Java Persistence API?
...here's a relationship between them. For example, you might have an entity called University and another entity called Student and a University might have many Students:
The University entity might have some basic properties such as id, name, address, etc. as well as a collection property called stu...
Javascript switch vs. if…else if…else
...
Answering in generalities:
Yes, usually.
See More Info Here
Yes, because each has a different JS processing engine, however, in running a test on the site below, the switch always out performed the if, elseif on a large number of iterations.
Test site
...
How to determine if a point is in a 2D triangle? [closed]
...uction, and division is much, much, slower. Numeric issues are also much smaller, due to no division! all calculations are exact. Thanks, Rick
– user252020
Jan 16 '10 at 4:57
4
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Centering text in a table in Twitter Bootstrap
... text-align is set to left, rather than center.
Adding this should center all your tds:
.table td {
text-align: center;
}
@import url('https://stackpath.bootstrapcdn.com/bootstrap/4.4.1/css/bootstrap.min.css');
table,
thead,
tr,
tbody,
th,
td {
text-align: center;
}
.ta...