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What is the best way to ensure only one instance of a Bash script is running? [duplicate]
What is the simplest/best way to ensure only one instance of a given script is running - assuming it's Bash on Linux?
14 An...
How to manually create icns files using iconutil?
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Here's a script to convert a 1024x1024 png (named "Icon1024.png") to the required icns file. Save it to a filed called "CreateICNS.src" in the folder where your png file is then in terminal "cd" to the same folder and type "source Cre...
jQuery, simple polling example
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function doPoll(){
$.post('ajax/test.html', function(data) {
alert(data); // process results here
setTimeout(doPoll,5000);
});
}
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python multithreading wait till all threads finished
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You need to use join method of Thread object in the end of the script.
t1 = Thread(target=call_script, args=(scriptA + argumentsA))
t2 = Thread(target=call_script, args=(scriptA + argumentsB))
t3 = Thread(target=call_script, args=(scriptA + argumentsC))
t1.start()
t2.start()
t3.start()...
Extracting text from HTML file using Python
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The best piece of code I found for extracting text without getting javascript or not wanted things :
from urllib.request import urlopen
from bs4 import BeautifulSoup
url = "http://news.bbc.co.uk/2/hi/health/2284783.stm"
html = urlopen(url).read()
soup = BeautifulSoup(html, features="html.parser...
Delete files older than 10 days using shell script in Unix [duplicate]
I'm new to shell scripts, can anyone help? I want to delete scripts in a folder from the current date back to 10 days.
The scripts looks like:
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For..In loops in JavaScript - key value pairs
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for (var k in target){
if (target.hasOwnProperty(k)) {
alert("Key is " + k + ", value is " + target[k]);
}
}
hasOwnProperty is used to check if your target really has that property, rather than having inherited it from its prototype. A bit simpler would be:
for (var k in t...
Why is __dirname not defined in node REPL?
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__dirname is only defined in scripts. It's not available in REPL.
try make a script a.js
console.log(__dirname);
and run it:
node a.js
you will see __dirname printed.
Added background explanation: __dirname means 'The directory of this script'. ...
Chrome Extension how to send data from content script to popup.html
...een asked in numerous posts but honestly I don't get them. I am new to JavaScript, Chrome Extensions and everything and I have this class assignment.
So I need to make a plugin that would count DOM objects on any given page using Cross Domain Requests.
I've been able to achieve this so far using Ch...
On - window.location.hash - Change?
...rowser.msie)) {
window.onhashchange = function () {
alert(window.location.hash);
}
// Or $(window).bind( 'hashchange',function(e) {
// alert(window.location.hash);
// });
}
else {
var prevHash = window.location.hash;
...