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Proper use of beginBackgroundTaskWithExpirationHandler
...ll need to wrap it in a background task. It's also very important that you call endBackgroundTask when you're finished - otherwise the app will be killed after its allotted time has expired.
Mine tend look something like this:
- (void) doUpdate
{
dispatch_async(dispatch_get_global_queue(DISPA...
Post data to JsonP
...o send a lot of data cross-domain. I usually create a service that you can call in two steps:
First the client do a FORM submit (post allowed cross domain). The service stores the input in the session on the server (using the GUID as key). (the client creates a GUID and send's it as a part of the ...
How do I get the dialer to open with phone number displayed?
I don't need to call the phone number, I just need the dialer to open with the phone number already displayed. What Intent should I use to achieve this?
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Where to place AutoMapper.CreateMaps?
...ot of overhead. I'm not too sure how to design my application to put these calls in just 1 place.
10 Answers
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how to show progress bar(circle) in an activity having a listview before loading the listview with d
I have a ListView in my second activity.OnItemClick of it I called a webservice and trying to fetch data. And after that I am moving to third activity which also have a ListView having description of previous activities ListView item.
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showDialog deprecated. What's the alternative?
Is there something else that should be called?
5 Answers
5
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How to pass event as argument to an inline event handler in JavaScript?
...global event object. It's because the context in which the DOM0 handler is called has an event object, even if [on some browsers] it isn't a global.)
– T.J. Crowder
May 6 '13 at 18:04
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Correct way to use StringBuilder in SQL
...ngBuilder at all. Using StringBuilder and string concatenation in the same call as per your sample code is even worse.
This would be better:
return "select id1, " + " id2 " + " from " + " table";
In this case, the string concatenation is actually happening at compile-time anyway, so it's equival...
_=> what does this underscore mean in Lambda expressions?
... Scala and others, _ is the wildcard character in pattern matching. It basically means "I don't care, I always want this to match". This "I don't care" then is carried over when it comes to naming things that you don't care about and from there, it spills over into other programming languages. It is...
Behaviour of increment and decrement operators in Python
... the decision, but I can imagine a few arguments:
Simpler parsing. Technically, parsing ++count is ambiguous, as it could be +, +, count (two unary + operators) just as easily as it could be ++, count (one unary ++ operator). It's not a significant syntactic ambiguity, but it does exist.
Simpler l...