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How to check if NSString begins with a certain character
...rayElement in allStringsArray) {
NSString *theString = [myArrayElement description];
if ([theString hasPrefix:@"http"]) {
NSLog(@"The URL is %@", [myArrayElement description]);
}
}
hasPrefix returns a Boolean value that indicates whether a given string matches the beginning c...
Observer Design Pattern vs “Listeners”
...
There's a two-way nature to the description of Observer in Design Patterns by Gamma et. al. (GoF).
In their description of Observer, one of the ConcreteObservers might signal a change to its Subject. The Subject, which holds a list of all ConcreteObserve...
Spring Boot Rest Controller how to return different HTTP status codes?
... example:
throw new ResponseStatusException(HttpStatus.BAD_REQUEST, "Cause description here");
or:
throw new ResponseStatusException(HttpStatus.INTERNAL_SERVER_ERROR, "Cause description here");
This results in a response to the client containing the HTTP status (e.g. 400 Bad request) with a body l...
How to use Checkbox inside Select Option
...lay one div over another div
http://www.w3schools.com/css/css_positioning.asp
CSS display property
http://www.w3schools.com/cssref/pr_class_display.asp
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How to choose an AES encryption mode (CBC ECB CTR OCB CFB)?
...how cryptography breaks the first paragraph is much more on-topic than the description of the modes.
– Perseids
Aug 6 '14 at 9:17
38
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How to automatically generate getters and setters in Android Studio
...hasn't appeared in the post correctly, and you have not completed an image description - it says 'enter image description here'.
– LordWilmore
Aug 9 '16 at 15:45
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What is the difference between MOV and LEA?
... just arithmetic operations [2].
Note that the only difference between my descriptions of leaq and movq is that movq does a dereference, and leaq doesn't. In fact, to write the leaq description, I basically copy+pasted the description of movq, and then removed "Find the value at this location".
To...
Has Facebook sharer.php changed to no longer accept detailed parameters?
...tom image → picture
custom title → title
custom quote → quote
custom description → description
caption (aka website name) → caption
For instance, you can share this very question with the following URL:
https://www.facebook.com/sharer/sharer.php?u=http%3A%2F%2Fstackoverflow.com%2Fq%2F20...
How to get the current taxonomy term ID (not the slug) in WordPress?
...ust copy paste below code!
This will print your current taxonomy name and description(optional)
<?php
$tax = $wp_query->get_queried_object();
echo ''. $tax->name . '';
echo "<br>";
echo ''. $tax->description .'';
?>
...
Angularjs if-then-else construction in expression
...would work:
<div ng-repeater="item in items">
<div>{{item.description}}</div>
<div>{{isExists(item) && 'available' || 'oh no, you don't have it'}}</div>
</div>
UPDATE: Angular 1.1.5 added support for ternary operators:
{{myVar === "two" ? "it's...