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Is “IF” expensive?
...is all mean for performance? When the processor sees a branch instruction appear in its pipeline, it needs to figure out how to continue to fill up its pipeline. In order to figure out what instructions come after the branch in the program stream, it needs to know two things: (1) if the branch wil...
Expand/collapse section in UITableView in iOS
...
if you have used the Beejive app, you would know that their collapsible section header actually "float" at the top of the table even when you've scrolled through part of its section, just like the regular Apple section headers. that's not possible if you...
Why is SCTP not much used/known
... at the output from the IETF's "SIGTRAN" working group which wrote up the mapping between SS7 and SCTP.
– Alnitak
Jul 25 '09 at 9:17
22
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Running multiple AsyncTasks at the same time — not possible?
...COMB, it is planned to change this back to a single thread to avoid common application errors caused by parallel execution. If you truly want parallel execution, you can use the executeOnExecutor(Executor, Params...) version of this method with THREAD_POOL_EXECUTOR; however, see commentary there for...
How to handle multiple cookies with the same name?
Say for example I had an application sending the following HTTP headers to set to cookie named "a":
6 Answers
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Android DialogFragment vs Dialog
...ia its constructor and then pass messages back to my fragment's handler as approprirate on the various click events. Again various ways of doing that but the following works for me.
In the dialog hold a message and instantiate it in the constructor:
private Message okMessage;
...
okMessage = handl...
DDD - the rule that Entities can't access Repositories directly
...lking about a bounded context. Each bounded context is essentially its own application. You might have a sophisticated approval system for getting things into the product catalog. In your original design the product was the center piece but in this bounded context the product catalog is. You still m...
GCM with PHP (Google Cloud Messaging)
... 'Authorization: key=' . $apiKey,
'Content-Type: application/json'
);
// Initialize curl handle
$ch = curl_init();
// Set URL to GCM push endpoint
curl_setopt($ch, CURLOPT_URL, 'https://gcm-http.googleapis.com/gcm/send');
...
SQlite Getting nearest locations (with latitude and longitude)
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1) At first filter your SQLite data with a good approximation and decrease amount of data that you need to evaluate in your java code. Use the following procedure for this purpose:
To have a deterministic threshold and more accurate filter on data, It is better to calcula...
Attach IntelliJ IDEA debugger to a running Java process
...t tell the JVM to open up port 5005 for remote debugging when running your application. Add the appropriate one to the JVM options of the application you are debugging. One way you might do this would be like so:
export JAVA_OPTS="-agentlib:jdwp=transport=dt_socket,server=y,suspend=n,address=5005"
...