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How does Google's Page Speed lossless image compression work?
...ent parameters and this combination of 4 seems to work best for a large
// set of PNGs from the web.
const PngCompressParams kPngCompressionParams[] = {
PngCompressParams(PNG_ALL_FILTERS, Z_DEFAULT_STRATEGY),
PngCompressParams(PNG_ALL_FILTERS, Z_FILTERED),
PngCompressParams(PNG_FILTER_NONE, Z_...
How to create an infinite loop in Windows batch file?
...
Here is an example of using the loop:
echo off
cls
:begin
set /P M=Input text to encode md5, press ENTER to exit:
if %M%==%M1% goto end
echo.|set /p ="%M%" | openssl md5
set M1=%M%
Goto begin
This is the simple batch i use when i need to encrypt any message into md5 hash on Win...
How to get the last N rows of a pandas DataFrame?
... editor after snippets, if snippets enabled
if (StackExchange.settings.snippets.snippetsEnabled) {
StackExchange.using("snippets", function() {
createEditor();
});
}
else {
createEditor();
...
Can anyone explain this strange behavior with signed floats in C#?
...
The bug is in the following two lines of System.ValueType: (I stepped into the reference source)
if (CanCompareBits(this))
return FastEqualsCheck(thisObj, obj);
(Both methods are [MethodImpl(MethodImplOptions.InternalCall)])
When all ...
Change multiple files
The following command is correctly changing the contents of 2 files.
9 Answers
9
...
Use space as a delimiter with cut command
...knows that also". For personal projects this does not apply, but in a team-setting, that assumption is a very dangerous (and potentially costly) one.
– Eduard Nicodei
Sep 13 '17 at 12:14
...
Random Gaussian Variables
...
Hi, what should the stdDev variable be set to? I understand that this can be configured to specific requirements, but are there any bounds (i.e. max/min values)?
– hofnarwillie
Aug 22 '13 at 9:05
...
Concatenating two one-dimensional NumPy arrays
...s created with perfplot:
import numpy
import perfplot
perfplot.show(
setup=lambda n: numpy.random.rand(n),
kernels=[
lambda a: numpy.r_[a, a],
lambda a: numpy.stack([a, a]).reshape(-1),
lambda a: numpy.hstack([a, a]),
lambda a: numpy.concatenate([a, a]),
...
How to print a number with commas as thousands separators in JavaScript
...as for numbers
number.toLocaleString(); // "1,234,567,890"
// With custom settings, forcing a "US" locale to guarantee commas in output
var number2 = 1234.56789; // floating point example
number2.toLocaleString('en-US', {maximumFractionDigits:2}) // "1,234.57"
NumberFormat
var nf = new Intl.Numbe...
How to return multiple values? [duplicate]
...values, then you can use Java's built-in container classes like Map, List, Set etc. Check the java.util package's JavaDoc for more details.
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