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bind event only once
...k functions to an object. For example:
$('#id').bind('click', function(){
alert('hello');
});
$('#id').bind('click', function(){
alert('goodbuy');
});
if you do the above when the object is clicked it will alert hello then goodbye. To make sure only one function is bound to the click event unbi...
How to use OR condition in a JavaScript IF statement?
...xpressions, too:
var thingToTest = "B";
if (/A|B/.test(thingToTest)) alert("Do something!")
Here's an example of regular expressions in general:
var myString = "This is my search subject"
if (/my/.test(myString)) alert("Do something here!")
This will look for "my" within th...
boost多索引容器multi_index_container实战 - C/C++ - 清泛网 - 专注C/C++及内核技术
...rchive/2010/03/27/5421914.aspx
by: HengStar 2010/3/27
我是一名游戏开发程序员，研究C++ Boost库已经有一小段时日了，学的越多愈发愈感觉出它的强大，每次学习后在实战项目中高效地使用，都让我兴奋不已，为了让自己记忆更深刻，同时...
How do I remove objects from a JavaScript associative array?
...d as hashtables/associative arrays. So, the following are the equivalent:
alert(myObj["SomeProperty"]);
alert(myObj.SomeProperty);
And, as already indicated, you "remove" a property from an object via the delete keyword, which you can use in two ways:
delete myObj["SomeProperty"];
delete myObj.S...
How to set up Spark on Windows?
...ou this version: Hadoop 2 (HDP2, CDH5)
Since version 1.0.0 there are .cmd scripts to run spark in windows.
Unpack it using 7zip or similar.
To start you can execute /bin/spark-shell.cmd --master local[2]
To configure your instance, you can follow this link: http://spark.apache.org/docs/latest/
...
How to detect scroll position of page using jQuery
...window).scrollTop() + $(window).height() == $(document).height()) {
alert("bottom!");
// getData();
}
});
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Check if table exists and if it doesn't exist, create it in SQL Server 2008
...
Let us create a sample database with a table by the below script:
CREATE DATABASE Test
GO
USE Test
GO
CREATE TABLE dbo.tblTest (Id INT, Name NVARCHAR(50))
Approach 1: Using INFORMATION_SCHEMA.TABLES view
We can write a query like below to check if a tblTest Table exists in the c...
How are people unit testing with Entity Framework 6, should you bother?
...n a known state with each test. Most systems use either a backup or create scripts for this.
Each test must be repeatable
Each test must be atomic
There are two main approaches to setting up your database, the first is to run a UnitTest create DB script. This ensures that your unit test database w...
Custom attributes - Yea or nay?
...mainly for the purpose of embedding some extra bits of data for use in javascript code.
14 Answers
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How to delete last character from a string using jQuery?
...
Why use jQuery for this?
str = "123-4";
alert(str.substring(0,str.length - 1));
Of course if you must:
Substr w/ jQuery:
//example test element
$(document.createElement('div'))
.addClass('test')
.text('123-4')
.appendTo('body');
//using substring ...