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Type erasure techniques
...
I would also consider (similar to void*) the use of "raw storage": char buffer[N].
In C++0x you have std::aligned_storage<Size,Align>::type for this.
You can store anything you want in there, as long as it's small enough and you deal with the alignment properly.
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Random / noise functions for GLSL
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How do you use vec2 co? is it the range? seed?
– Ross
Nov 17 '12 at 17:07
12
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How to generate a random string of a fixed length in Go?
...func RandStringRunes(n int) string {
b := make([]rune, n)
for i := range b {
b[i] = letterRunes[rand.Intn(len(letterRunes))]
}
return string(b)
}
2. Bytes
If the characters to choose from and assemble the random string contains only the uppercase and lowercase letters of t...
How do I retrieve the number of columns in a Pandas data frame?
...re using read_csv method of Pandas without sep parameter or sep with ",".
raw_data = pd.read_csv("a1:\aa2/aaa3/data.csv")
raw_data.info()
<class 'pandas.core.frame.DataFrame'>
RangeIndex: 5144 entries, 0 to 5143
Columns: 145 entries, R_fighter to R_age
...
How to pick a new color for each plotted line within a figure in matplotlib?
... to plot
#version 1:
color=cm.rainbow(np.linspace(0,1,n))
for i,c in zip(range(n),color):
plt.plot(x, y,c=c)
#or version 2:
color=iter(cm.rainbow(np.linspace(0,1,n)))
for i in range(n):
c=next(color)
plt.plot(x, y,c=c)
Example of 2:
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How to 'minify' Javascript code
... HTTP::Request;
use Fcntl;
my %api = ( css => 'https://cssminifier.com/raw', js => 'https://javascript-minifier.com/raw' );
my $DEBUG = 0;
my @files = @ARGV;
unless ( scalar(@files) ) {
die("Filename(s) not specified");
}
my $ua = LWP::UserAgent->new;
foreach my $file (@files) {
...
How to do joins in LINQ on multiple fields in single join
...t to do.
EDIT: Responding to the edit in the question: yes, to do a "date range" join, you need to use a where clause instead. They're semantically equivalent really, so it's just a matter of the optimisations available. Equijoins provide simple optimisation (in LINQ to Objects, which includes LINQ...
Parse an HTML string with JS
... on the div.innerHTML solution nor DOMParser.prototype.parseFromString nor range.createContextualFragment solution. The td tag goes missing and only the text remains.
Only jQuery handles that case well.
So the future solution (MS Edge 13+) is to use template tag:
function parseHTML(html) {
va...
How do I design a class in Python?
...g.footstep(0)
Now, it may be that for your case you need to read in your raw data file and compute the footstep locations. All this could be hidden in the footstep() function so that it only happens once. Something like:
class Dog:
def __init__(self):
self._footsteps=None
def footste...
Proper use of errors
...rror in the JavaScript engine is thrown. E.g.
"too much recursion".
RangeError --- Creates an instance representing an error that occurs when a numeric variable or parameter is outside of its valid
range.
ReferenceError --- Creates an instance representing an error that occurs when de-...