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if, elif, else statement issues in Bash
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You have some syntax issues with your script. Here is a fixed version:
#!/bin/bash
if [ "$seconds" -eq 0 ]; then
timezone_string="Z"
elif [ "$seconds" -gt 0 ]; then
timezone_string=$(printf "%02d:%02d" $((seconds/3600)) $(((seconds / 60) % 60)))
else
e...
Does have to be in the of an HTML document?
...element can be used:
Where metadata content is expected.
In a <noscript> element that is a child of a <head> element.
CTRL-Fing through the single-page spec reveals that the only element whose content model includes metadata content is the head element.
The non-normative index ...
Get all directories within directory nodejs
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Thanks to JavaScript ES6 (ES2015) syntax features it's one liner:
Synchronous version
const { readdirSync, statSync } = require('fs')
const { join } = require('path')
const dirs = p => readdirSync(p).filter(f => statSync(join(p, f...
How do I scroll to an element using JavaScript?
... I.e:
<div id="myDiv"></div>
and then use the following javascript:
// the next line is required to work around a bug in WebKit (Chrome / Safari)
location.href = "#";
location.href = "#myDiv";
share
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Unicode character in PHP string
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JSON is not JavaScript.
– Gumbo
May 19 '11 at 12:43
4
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How do you echo a 4-digit Unicode character in Bash?
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Just put "☠" in your shell script. In the correct locale and on a Unicode-enabled console it'll print just fine:
$ echo ☠
☠
$
An ugly "workaround" would be to output the UTF-8 sequence, but that also depends on the encoding used:
$ echo -e '\xE...
CKEditor instance already exists
...it in a much simpler way...
I was using the class "ckeditor" in my jQuery script as the selector for which textareas I wanted use for CKEditor. The default ckeditor JS script also uses this class to identify which textareas to use for CKEditor.
This meant there is a conflict between my jQuery scr...
How to execute PHP code from the command line?
...e command line:
-r <code> Run PHP <code> without using script tags <?..?>
-R <code> Run PHP <code> for every input line
You can use php's -r switch as such:
php -r 'echo function_exists("foo") ? "yes" : "no";'
The above PHP command above should outpu...
How to disable HTML links
...it by yourself before using this. It has the advantage to work without JavaScript. Unfortunately (but obviously) tabindex cannot be changed from CSS.
Intercept clicks
Use a href to a JavaScript function, check for the condition (or the disabled attribute itself) and do nothing in case.
$("td >...
In Bash, how can I check if a string begins with some value?
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This snippet on the Advanced Bash Scripting Guide says:
# The == comparison operator behaves differently within a double-brackets
# test than within single brackets.
[[ $a == z* ]] # True if $a starts with a "z" (wildcard matching).
[[ $a == "z*" ]] # Tru...