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How to iterate over arguments in a Bash script
..., then you sometimes need non-standard
tools to assist. (Or you should use arrays, carefully: "${array[@]}" behaves analogously to "$@".)
Example:
$ mkdir "my dir" anotherdir
$ ls
anotherdir my dir
$ cp /dev/null "my dir/my file"
$ cp /dev/null "anotherdir/myfile"
$ ls...
How can one check to see if a remote file exists using PHP?
...le_exists, this built-in function supports remote files. It will return an array that contains the image information (width, height, type..etc). All you have to do is to check the first element in the array (the width). use print_r to output the content of the array
$imageArray = getimagesize("http...
Accessing an SQLite Database in Swift
...
AppDelegate.swift
func createDatabase()
{
var path:Array=NSSearchPathForDirectoriesInDomains(FileManager.SearchPathDirectory.documentDirectory, FileManager.SearchPathDomainMask.userDomainMask, true)
let directory:String=path[0]
let DBpath=(directory as NSString).appen...
What's the syntax for mod in java
...t one a real modulo operator that works for negative integers too so that array[x mod array.length] allways accesses an element in my array rather than try to index negative positions.
– Kris
Nov 11 '19 at 4:19
...
Executing elements inserted with .innerHTML
...ext) {
document.getElementById(id).innerHTML = text;
var scripts = Array.prototype.slice.call(document.getElementById(id).getElementsByTagName("script"));
for (var i = 0; i < scripts.length; i++) {
if (scripts[i].src != "") {
var tag = document.createElement("scrip...
Why doesn't adding CORS headers to an OPTIONS route allow browsers to access my API?
...
Is config.allowedDomains a comma-delimited string or an array?
– pixelfreak
Nov 17 '12 at 2:56
2
...
Javascript and regex: split string and keep the separator
...
If you wrap the delimiter in parantheses it will be part of the returned array.
string.split(/(<br \/>&#?[a-zA-Z0-9]+);/g);
// returns ["aaaaaa", "<br />&dagger;", "bbbb", "<br />&Dagger;", "cccc"]
Depending on which part you want to keep change which subgroup you ...
How do I do a multi-line string in node.js?
...n a third";
In certain cases. http://jsperf.com/string-concat-versus-array-join/3
As another aside, I find this one of the more appealing features in Coffeescript. Yes, yes, I know, haters gonna hate.
html = '''
<strong>
cup of coffeescript
</strong>
...
Peak signal detection in realtime timeseries data
..., threshold, influence):
signals = np.zeros(len(y))
filteredY = np.array(y)
avgFilter = [0]*len(y)
stdFilter = [0]*len(y)
avgFilter[lag - 1] = np.mean(y[0:lag])
stdFilter[lag - 1] = np.std(y[0:lag])
for i in range(lag, len(y)):
if abs(y[i] - avgFilter[i-1]) > t...
How do you read CSS rule values with JavaScript?
...const logicalORs = split(normalize(selector), ',');
const sheets = Array.from(window.document.styleSheets);
const ruleArrays = sheets.map((x) => Array.from(x.rules || x.cssRules || []));
const allRules = ruleArrays.reduce((all, x) => all.concat(x), []);
return a...