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Use of 'prototype' vs. 'this' in JavaScript?
...o the object using "this"
var A = function () {
this.x = function () { alert('A'); };
};
A.prototype.updateX = function( value ) {
this.x = function() { alert( value ); }
};
var a1 = new A();
var a2 = new A();
a1.x(); // Displays 'A'
a2.x(); // Also displays 'A'
a1.updateX('Z');
a1.x(); ...
How to exit from Python without traceback?
...k, simply use:
sys.trackbacklimit=0
You can set this at the top of your script to squash all traceback output, but I prefer to use it more sparingly, for example "known errors" where I want the output to be clean, e.g. in the file foo.py:
import sys
from subprocess import *
try:
check_call([ ...
Visibility of global variables in imported modules
I've run into a bit of a wall importing modules in a Python script. I'll do my best to describe the error, why I run into it, and why I'm tying this particular approach to solve my problem (which I will describe in a second):
...
Use basic authentication with jQuery and Ajax
...codeBase64 (“username:password”) );}, succes: function(val) { //alert(val); alert("Thanks for your comment!"); } }); `
– Patrioticcow
Mar 31 '11 at 23:07
69
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How do I run a shell script without using “sh” or “bash” commands?
I have a shell script which I want to run without using the "sh" or "bash" commands. For example:
11 Answers
...
How do I prevent site scraping? [closed]
...ation with a HTML parser to extract the desired data from each page.
Shell scripts: Sometimes, common Unix tools are used for scraping: Wget or Curl to download pages, and Grep (Regex) to extract the data.
HTML parsers, such as ones based on Jsoup, Scrapy, and others. Similar to shell-script regex b...
How do I resize an image using PIL and maintain its aspect ratio?
...
This script will resize an image (somepic.jpg) using PIL (Python Imaging Library) to a width of 300 pixels and a height proportional to the new width. It does this by determining what percentage 300 pixels is of the original width...
Dynamically creating keys in a JavaScript associative array
...doesn't exist it will be added.
var a = new Array();
a['name'] = 'oscar';
alert(a['name']);
Will pop up a message box containing 'oscar'.
Try:
var text = 'name = oscar'
var dict = new Array()
var keyValuePair = text.replace(/ /g,'').split('=');
dict[ keyValuePair[0] ] = keyValuePair[1];
alert( ...
What does it mean when an HTTP request returns status code 0?
What does it mean when JavaScript network calls such as fetch or XMLHttpRequest, or any other type of HTTP network request, fail with an HTTP status code of 0?
...
Hiding a password in a python script (insecure obfuscation only)
I have got a python script which is creating an ODBC connection. The ODBC connection is generated with a connection string. In this connection string I have to include the username and password for this connection.
...