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Numpy: Get random set of rows from 2D array
... random ~25% of the positions will be True and those positions are sampled from data_arr.
– isosceleswheel
Jul 24 at 3:05
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Angular.js: How does $eval work and why is it different from vanilla eval?
...t exactly is $eval doing? Why does it need its own mini parsing language?
From the docs:
Expressions are JavaScript-like code snippets that are usually placed in bindings such as {{ expression }}. Expressions are processed by $parse service.
It's a JavaScript-like mini-language that limits wh...
How to create a remote Git repository from a local one?
...lly you just say git push origin master. Now any other repository can pull from the remote repository.
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libpng warning: iCCP: known incorrect sRGB profile
...ions. You can ignore the warning. To get rid of it, remove the iCCP chunk from the PNG image.
Some applications treat warnings as errors; if you are using such an application you do have to remove the chunk. You can do that with any of a variety of PNG editors such as ImageMagick's
convert in.pn...
What is the difference between null and undefined in JavaScript?
...null;
alert(TestVar); //shows null
alert(typeof TestVar); //shows object
From the preceding examples, it is clear that undefined and null are two distinct types: undefined is a type itself (undefined) while null is an object.
null === undefined // false
null == undefined // true
null === null // ...
Fast permutation -> number -> permutation mapping algorithms
...se of the number and k the index of the digit. (I will always count digits from the right and starting at index 0 for the rightmost digit. Likewise when I talk about the 'first' digit I mean the rightmost.)
The reason why the weights for digits follow this pattern is that the highest number that ca...
How to pass JVM options from bootRun
...temProperties instead of jvmArgs
If you want to conditionally add jvmArgs from the command line you can do the following:
bootRun {
if ( project.hasProperty('jvmArgs') ) {
jvmArgs project.jvmArgs.split('\\s+')
}
}
gradle bootRun -PjvmArgs="-Dwhatever1=value1 -Dwhatever2=value2"
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How to remove leading and trailing white spaces from a given html string?
...d be sample code in JavaScript to remove leading and trailing white spaces from this string?
7 Answers
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How to view files in binary from bash?
...ike to view the contents of a file in the current directory, but in binary from the command line. How can I achieve this?
1...
Generating random numbers in Objective-C
...and(3) and
random(3).
The arc4random_stir() function reads data from /dev/urandom and uses it to permute the S-Boxes via
arc4random_addrandom().
There is no need to call arc4random_stir() before using arc4random(), since arc4random() automatically
initializes itself.
EXAM...