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LINQ .Any VS .Exists - What's the difference?
... }
if (!s.Contains("sdfsd"))
{
}
testing list generator:
private List<string> Generate(int count)
{
var list = new List<string>();
for (int i = 0; i < count; i++)
{
list.Add( new string(
Enu...
iPhone 5 CSS media query
...ebkit-min-device-pixel-ratio: 2) {
/* iPhone only */
}
NB: I haven't tested the above code, but I've tested comma-delimited @media queries before, and they work just fine.
Note that the above may hit some other devices which share similar ratios, such as the Galaxy Nexus. Here is an additiona...
What's the best practice to round a float to 2 decimals? [duplicate]
...
Let's test 3 methods:
1)
public static double round1(double value, int scale) {
return Math.round(value * Math.pow(10, scale)) / Math.pow(10, scale);
}
2)
public static float round2(float number, int scale) {
int pow =...
Algorithm to compare two images
...ns you should identify and compromise on.
Matlab is an excellent tool for testing and evaluating images.
Testing the algorithms
You should test (at the minimum) a large human analysed set of test data where matches are known beforehand. If for example in your test data you have 1,000 images wher...
How to parse JSON data with jQuery / JavaScript?
...Parsed);
Then you can iterate the following:
var j ='[{"id":"1","name":"test1"},{"id":"2","name":"test2"},{"id":"3","name":"test3"},{"id":"4","name":"test4"},{"id":"5","name":"test5"}]';
...by using $().each:
var json = $.parseJSON(j);
$(json).each(function (i, val) {
$.each(val, function (k...
WebDriver: check if an element exists? [duplicate]
...nto a utility method should improve performance if you're running a lot of tests
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Javascript sort array by two fields
... item name
where items is an array like:
var items = [
{ name: "z - test item", price: "99.99", priority: 0, reviews: 309, rating: 2 },
{ name: "z - test item", price: "1.99", priority: 0, reviews: 11, rating: 0.5 },
{ name: "y - test item", price: "99.99", priority: 1, reviews: 99, r...
How to detect Safari, Chrome, IE, Firefox and Opera browser?
...fari 3.0+ "[object HTMLElementConstructor]"
var isSafari = /constructor/i.test(window.HTMLElement) || (function (p) { return p.toString() === "[object SafariRemoteNotification]"; })(!window['safari'] || (typeof safari !== 'undefined' && safari.pushNotification));
// Internet Explorer 6-11
...
MySQL, better to insert NULL or empty string?
...Depends very much on your Language of choice. In Python "if not myString:" tests for None and "". Probably mainly a cultural issues. The Java Guys "bad practice" is the dynamic person's elegance.
– max
Oct 21 '10 at 8:54
...
Function Pointers in Java
...n functional interfaces. whereas you could do the following:
public class Test {
public void test1(Integer i) {}
public void test2(Integer i) {}
public void consumer(Consumer<Integer> a) {
a.accept(10);
}
public void provideConsumer() {
consumer(this::test1); // met...