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What's the difference between IQueryable and IEnumerable
...son = people.Where(x => x.Age > 18).FirstOrDefault();
In the first block, x => x.Age > 18 is an anonymous method (Func<Person, bool>), which can be executed like any other method. Enumerable.Where will execute the method once for each person, yielding values for which the method ...
Response.Redirect with POST instead of Get?
.... This answer is merely a hack that happens to work and can be very easily blocked by browsers in the future.
– Sam Rueby
Apr 24 '13 at 14:53
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How to open a specific port such as 9090 in Google Compute Engine
...ess rule, specify the Source filter:
Choose IP ranges and type the CIDR blocks into the Source IP ranges field to define the source for incoming traffic by IP address ranges. Use 0.0.0.0/0 for a source from any network.
Choose Subnets then mark the ones you need from the Subnets pop-up button to ...
What does appending “?v=1” to CSS and Javascript URLs in link and script tags do?
...>
In case you're running pure HTML (instead of server pages JSP, ASP, PHP) the server won't help you. In browser, links are loaded before the JS runs, therefore you have to remove the links and load them with JS.
// front end cache bust
var cacheBust = ['js/StrUtil.js', 'js/protos.common.js', ...
How can I list ALL DNS records?
...M" +noall +answer "$TYPE" and it goes inside the if test "$EXTENDED"; then block,
– Jesse Chisholm
Sep 17 at 16:27
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How to Create Grid/Tile View?
...k {
color: #FFF;
background-color: #FF00D8;
display: inline-block;
padding: 5px;
width: 100%;
margin: 1em 0; /* for separating masonry-bricks vertically*/
}
@media only screen and (min-width: 480px) {
.masonry-container {
-moz-column-count: 3;
...
Function to calculate distance between two coordinates
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Derek's solution worked fine for me, and I've just simply converted it to PHP, hope it helps somebody out there !
function calcCrow($lat1, $lon1, $lat2, $lon2){
$R = 6371; // km
$dLat = toRad($lat2-$lat1);
$dLon = toRad($lon2-$lon1);
$lat1 = toRad($lat1);
$l...
Using the Swift if let with logical AND operator &&
... GRAMMAR OF AN IF STATEMENT
if-statement → if if-condition code-block else-clauseopt
if-condition → expression | declaration
else-clause → else code-block | else if-statement
The value of any condition in an if statement must have a type that conforms...
What are major differences between C# and Java?
...oesn't have operator and conversion overloading
Java doesn't have iterator blocks for simple implemetation of iterators
Java doesn't have anything like LINQ
Partly due to not having delegates, Java doesn't have anything quite like anonymous methods and lambda expressions. Anonymous inner classes usu...
How to access cookies in AngularJS?
...ference from http://www.tutsway.com/simple-example-of-cookie-in-angular-js.php.
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