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How to use HTML to print header and footer on every printed page of a document?
...y affordable for business purposes or free to try.
– Newclique
Feb 18 at 17:34
add a comment
...
How to describe “object” arguments in jsdoc?
...rated by the factory.
*/
var pointFactory = function (x, y) {
return new generatedPoint(x, y);
}
Define a type.
/**
@typedef generatedPoint
@type {Object}
@property {number} x The x coordinate.
@property {number} y The y coordinate.
*/
/**
* Generate a point.
*
* @returns {generate...
Parse (split) a string in C++ using string delimiter (standard C++)
... string. After the while loop ends, we need to add the remaining of s as a new token.
– whihathac
Jun 1 '18 at 3:00
I'...
Difference between .on('click') vs .click()
...
Consider the following html:
<html>
<button id="add">Add new</button>
<div id="container">
<button class="alert">alert!</button>
</div>
</html>
where we add new buttons via
$("button#add").click(function() {
var html = "<...
json.dumps vs flask.jsonify
...unction () {
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f7907596%2fjson-dumps-vs-flask-jsonify%23new-answer', 'question_page');
}
);
...
Is null an Object?
...magined as a variable being defined as:
JVM_global final null_type null = new null_type();
Note also JLS 3.9:
A variety of character sequences are sometimes assumed, incorrectly, to be keywords:
null is not a keyword, but rather the null literal (§3.10.7).
Concerning null insta...
Generate a Hash from string in Javascript
... because my version has to turn the string into an array first, allocating new memory and copying every character...
– lordvlad
Feb 22 '15 at 10:04
5
...
Use numpy array in shared memory for multiprocessing
...posix systems? That is, after the fork, I think the memory is shared until new data is written, at which point a copy is created. So yes, it's true that the data isn't "shared" exactly, but it can provide a potentially huge performance boost. If your process is read only, then there will be no copyi...
Automatically expanding an R factor into a collection of 1/0 indicator variables for every factor le
..."expand" so that for each factor level, there is an associated column in a new data frame, which contains a 1/0 indicator. E.g., suppose I have:
...
Remove rows with all or some NAs (missing values) in data.frame
...
tidyr has a new function drop_na:
library(tidyr)
df %>% drop_na()
# gene hsap mmul mmus rnor cfam
# 2 ENSG00000199674 0 2 2 2 2
# 6 ENSG00000221312 0 1 2 3 2
df %>% drop_na(rnor, cfam)
#...
