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How do I wait for an asynchronously dispatched block to finish?
...er is that it doesn't address the OP's original problem, which is that the API that needs to be used takes a completionHandler as an argument and returns immediately. Calling that API inside of this answer's async block would return immediately even though the completionHandler had not run yet. Th...
Sending an HTTP POST request on iOS
...e an URLRequest
NSURL *url = [NSURL URLWithString:@"http://www.example.com/apis/login_api"];
NSMutableURLRequest *urlRequest = [NSMutableURLRequest requestWithURL:url];
//Create POST Params and add it to HTTPBody
NSString *params = [NSString stringWithFormat:@"email=%@&password=%@",emailId,pass...
Sorted collection in Java
...Use Google Guava's TreeMultiset class. Guava has a spectacular collections API.
One problem with providing an implementation of List that maintains sorted order is the promise made in the JavaDocs of the add() method.
share...
Get contentEditable caret index position
...retposition {
font-weight: bold;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>
<div id="contentbox" contenteditable="true">Click me and move cursor with keys or mouse</div>
<div id="caretposition">0</div>
<s...
In Rails - is there a rails method to convert newlines to ?
...g for, and slightly better since it also adds paragraph tags. See
http://api.rubyonrails.org/classes/ActionView/Helpers/TextHelper.html#method-i-simple_format
Example:
simple_format(mystring)
Note that simple_format allows basic HTML tags, but also passes text through sanitize which removes a...
What is :: (double colon) in Python when subscripting sequences?
...y to slice multi-dimensional arrays in any direction.
Of course, any sane API should use ::3 with the usual "every 3" semantic.
The related Ellipsis is covered further at: What does the Ellipsis object do?
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|...
No Persistence provider for EntityManager named
...e-4.3.7.jar, hibernate-entitymanager-4.3.7.Final.jar and hibernate-jpa-2.1-api-1.0.0.jar.
– Andreas Dietrich
Dec 15 '14 at 10:56
...
TreeMap sort by value
...ment more than once. You just violated that constraint. From the SortedSet API: Note that the ordering maintained by a sorted set must be consistent with equals.... The solution would be to change to a List implementation.
– dacwe
Dec 12 '12 at 17:42
...
Using JQuery - preventing form from submitting
...;head>
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js"></script>
<script type='text/javascript'>
$(document).ready(function() {
//option A
$("form").submit(function(e){
...
Resize a large bitmap file to scaled output file on Android
...rough Bitamp created earlier.
For me it has been performing fine on 5 MegaPixel images an below.
try
{
int inWidth = 0;
int inHeight = 0;
InputStream in = new FileInputStream(pathOfInputImage);
// decode image size (decode metadata only, not the whole image)
BitmapFactory.Op...