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Deleting array elements in JavaScript - delete vs splice
... will delete the object property, but will not reindex the array or update its length. This makes it appears as if it is undefined:
> myArray = ['a', 'b', 'c', 'd']
["a", "b", "c", "d"]
> delete myArray[0]
true
> myArray[0]
undefined
Note that it is not in fact set to the value und...
String replacement in java, similar to a velocity template
...here any String replacement mechanism in Java, where I can pass objects with a text, and it replaces the string as it occurs.
For example, the text is :
...
Assigning variables with dynamic names in Java
...teger>();
for (int i = 1; i < 4; i++) {
n.put("n" + i, 5);
}
It is possible to use reflection to dynamically refer to variables that have been declared in the source code. However, this only works for variables that are class members (i.e. static and instance fields). It doesn't work...
How to use if-else option in JSTL
...
Yes, but it's clunky as hell, e.g.
<c:choose>
<c:when test="${condition1}">
...
</c:when>
<c:when test="${condition2}">
...
</c:when>
<c:otherwise>
...
</c:otherwise>
...
how do I use the grep --include option for multiple file types?
... from expanding '' which at the same time stop shell to expand {html,php}. It seems that equal sign in --include=* is able to prevent shell from expanding '*'.
– tianyapiaozi
May 17 '12 at 4:53
...
How to get the separate digits of an int number?
... numbers like 1100, 1002, 1022 etc. I would like to have the individual digits, for example for the first number 1100 I want to have 1, 1, 0, 0.
...
Triggering HTML5 Form Validation
I have a form with several different fieldsets. I have some Javascript that displays the field sets to the users one at a time. For browsers that support HTML5 validation, I'd love to make use of it. However, I need to do it on my terms. I'm using JQuery.
...
How to implement history.back() in angular.js
I have directive which is site header with back button and I want on click to go back to the previous page. How do I do it in the angular way?
...
using gitignore to ignore (but not delete) files
I have a tmp directory in my git repo I'd like to still exist, but be ignored. I added it to .gitignore , but git status still tells me about changes to files in that directory. I tried git rm -r --cached , but that removes it from the remote repo. How can I stop tracking changes to this dire...
What is the difference between and ? [duplicate]
...Let the code in the reusable file be :
<html>
<head>
<title>reusable</title>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
</head>
<body>
<img src="candle.gif" height="100" width="50"/> <br />
<p><b...