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Android SQLite DB When to Close
...l prevent multiple manipulations to the database and save your application from a potential crash
so in your singleton, you might have a method like this to get your single SQLiteOpenHelper object:
private SQLiteDatabase db;
private MyDBOpenHelper mySingletonHelperField;
public MyDBOpenHelper getD...
Algorithm to calculate the number of divisors of a given number
... of O(N / log(log(N))) at best. Brute-force checking all possible divisors from 1 ... Sqrt(n) has a runtime complexity of O(Sqrt(N)) which is far superior. How come this answer has been accepted?
– le_m
Mar 13 '17 at 15:57
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Is it possible to Turn page programmatically in UIPageViewController?
...ewControllers it can make it appear that you're animatedly navigating away from the current view controller, but it's not really seeking to a page.
– Amy
Feb 25 '14 at 1:25
3
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How do I get a plist as a Dictionary in Swift?
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In swift 3.0 Reading from Plist.
func readPropertyList() {
var propertyListFormat = PropertyListSerialization.PropertyListFormat.xml //Format of the Property List.
var plistData: [String: AnyObject] = [:] //Our data
let ...
Optional Methods in Java Interface
From my understanding if you implement an interface in java, the methods specified in that interface have to be used by the sub classes implementing the said interface.
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Meaning of Choreographer messages in Logcat [duplicate]
...ou will still skip 30 frames (naughty!) but you won't be warned about it.
From the 3 steps involved its clear that it isn't only animations that can trigger the warning: Invalidating a significant portion of a large View hierarchy or a View with a complicated onDraw method might be enough.
For exa...
What is difference between Errors and Exceptions? [duplicate]
...on classes are checked exceptions.
Checked exceptions are generally those from which a program can recover & it might be a good idea to recover from such exceptions programmatically. Examples include FileNotFoundException, ParseException, etc. A programmer is expected to check for these excepti...
How to convert SSH keypairs generated using PuTTYgen (Windows) into key-pairs used by ssh-agent and
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This answer was the key to getting ssh from the windows command line using passwordless keys for me (specifically for git access). Would have saved me hours of pain if I had seen it earlier! Thanks!
– cori
Jan 25 '13 at 12:20...
Embedding SVG into ReactJS
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Thanks, starting from this I've managed to import an svg from file as a React component without any loader, I've just removed ``` xmlns:osb="openswatchbook.org/uri/2009/osb"``` from the svg tag, leaving only the xlmns. It's all about tag par...
gulp.run is deprecated. How do I compose tasks?
...irst, it doesn't have to finish before the watch task fires. I am getting from the OP that they want to ensure build has finished before watch begins.
– Sean Ryan
Jun 25 '15 at 22:30
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