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Case-Insensitive List Search
I have a list testList that contains a bunch of strings. I would like to add a new string into the testList only if it doesn't already exist in the list. Therefore, I need to do a case-insensitive search of the list and make it efficient. I can't use Contains because that doesn't take into acc...
Check if an array is empty or exists
...ength; // => "number"
Case Empty Array
Now since we tested all other possibilities, we're talking to an instance of Array. In order to make sure it's not empty, we ask about number of elements it's holding, and making sure it has more than zero elements.
firstArray = [];
firs...
default select option as blank
...have to make a selection. Therefore I really like this approach. (At least tested in Chrome)
– Andreas Linnert
Feb 11 '17 at 10:28
...
How to use Session attributes in Spring-mvc
...ute to session:
@RequestMapping(method = RequestMethod.GET)
public String testMestod(HttpServletRequest request){
ShoppingCart cart = (ShoppingCart)request.getSession().setAttribute("cart",value);
return "testJsp";
}
and you can get it from controller like this :
ShoppingCart cart = (Shopp...
Do NSUserDefaults persist through an Update to an app in the Appstore?
...vents and had relied on them being reset when the app is installed. All my testing on the iPhone device (and Apples testing) tested the app as a new install. Without any documentation or way to test as an update I was unable to repeat the update crash all our customers are now experiencing. To sum u...
CSS technique for a horizontal line with words in the middle
...ackground:#fff;
padding:0 10px;
}
<h2><span>THIS IS A TEST</span></h2>
<p>this is some content other</p>
I tested in Chrome only, but there's no reason it shouldn't work in other browsers.
JSFiddle: http://jsfiddle.net/7jGHS/
...
How to emulate GPS location in the Android Emulator?
I want to get longitude and latitude in Android emulator for testing.
33 Answers
33
...
querySelector search immediate children
...;
proto[method] = function(selectors) {
if (/(^|,)\s*:scope/.test(selectors)) { // only if selectors contains :scope
var id = this.id; // remember current element id
this.id = 'ID_' + Date.now(); // assign new unique id
selectors = selectors.replace(/((^|,...
How to instantiate a File object in JavaScript?
There's a File object in JavaScript. I want to instantiate one for testing purposes.
6 Answers
...
Tools for making latex tables in R [closed]
...of nested heirarchies.
library(datasets)
library(taRifx)
library(xtable)
test.by <- bytable(ChickWeight$weight, list( ChickWeight$Chick, ChickWeight$Diet) )
colnames(test.by) <- c('Diet','Chick','Mean Weight')
print(latex.table.by(test.by), include.rownames = FALSE, include.colnames = TRUE, ...