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Service vs IntentService in the Android platform
...use threads within Service.
The IntentService can be used in long tasks usually with no communication to Main Thread. If communication is required, can use Main Thread handler or broadcast intents. Another case of use is when callbacks are needed (Intent triggered tasks).
How to trigger?
The Se...
Breaking out of a nested loop
...using goto is any worse than the normal use of something like break (after all they're both just unconditional branches to a label, it's just that with break the label is implicit).
– Greg Beech
Nov 28 '08 at 0:07
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Remove empty lines in text using Visual Studio
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^\s+$\n changed to ^\s*$\n allow for (no content) pure line feeds.
– Joe Johnston
Jan 6 '15 at 16:15
4
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How to quickly clear a JavaScript Object?
...object).
In this example, I believe setting the length to 0 still leaves all of the elements for garbage collection.
You could add this to Object.prototype if it's something you'd frequently use. Yes it's linear in complexity, but anything that doesn't do garbage collection later will be.
This is ...
Ajax, back button and DOM updates
...r navigates to page B and then hits back button to get back to the page A. All modifications to DOM of page A are lost and user is presented with version that was originally retrieved from the server.
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PHP mailer multiple address [duplicate]
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You need to call the AddAddress method once for every recipient. Like so:
$mail->AddAddress('person1@domain.com', 'Person One');
$mail->AddAddress('person2@domain.com', 'Person Two');
// ..
Better yet, add them as Carbon Copy rec...
Sorting 1 million 8-decimal-digit numbers with 1 MB of RAM
... the following way:
First take 2 variables: COUNTER and VALUE.
First set all registers to 0;
Every time you receive an integer I, increment COUNTER and set VALUE to max(VALUE, I);
Then send an ICMP echo request packet with data set to I to the router. Erase I and repeat.
Every time you receive the...
What's the point of const pointers?
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"Help the compiler help you" is the mantra I normally chant for this.
– Flexo♦
Oct 11 '11 at 9:44
1
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Questions every good .NET developer should be able to answer? [closed]
...ference type?
What does the "readonly" keyword in C# mean?
I think it usually helps to ask your applicants to complete a simple coding exercise such as:
Write your own linked list class without using the built-in classes.
Write your own hashtable class without using the built-in classes.
Write a...
In Objective-C why should I check if self = [super init] is not nil?
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For example:
[[NSData alloc] initWithContentsOfFile:@"this/path/doesn't/exist/"];
[[NSImage alloc] initWithContentsOfFile:@"unsupportedFormat.sjt"];
[NSImage imageNamed:@"AnImageThatIsntInTheImageCache"];
... and so on. (Note: NSData might throw...