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How to detect user inactivity in Android
...ier). As for the onStop(), from what I remember, I call onBackPressed() in order to return to a login screen in the disconnect callback which in turn calls the onStop() method. When the user returns to the login screen manually, by pressing back, the timer needs to be stopped as well thus the stopDi...
How to implement classic sorting algorithms in modern C++?
...tialization {} instead of the good old parenthesized initialization () (in order to side-step all most-vexing-parse issues in generic code).
Scott Meyers's "Prefer alias declarations to typedefs". For templates this is a must anyway, and using it everywhere instead of typedef saves time and adds con...
Use of Initializers vs Constructors in Java
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I read a whole article looking for an answer to the init order of initializers vs. their constructors. I didn't find it, so I wrote some code to check my understanding. I thought I would add this little demonstration as a comment. To test your understanding, see if you can predi...
Eclipse will not start and I haven't changed anything
...nning after platform shutdown" in other cases like " out of heap memory" n etc this will not work
– Khay
May 19 '14 at 20:42
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Using Emacs as an IDE
...t Environment for many languages - C/C++, Java, Perl, Lisp/Scheme, Erlang, etc...
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In C#, why is String a reference type that behaves like a value type?
...copy penalty, you couldn't intern strings, and memory usage would balloon, etc...
(Edit: Added clarification about value type storage being an implementation detail, which leads to this situation where we have a type with value sematics not inheriting from System.ValueType. Thanks Ben.)
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HTTP handler vs HTTP module
...sion, and is generally used for things like security, statistics, logging, etc.
An HttpHandler is generally associated with a specific extension, and is used for things like RSS feeds, dynamic image generation or modification, and the like.
A little more explanation if that's not completely clear:...
Finding the index of an item in a list
...omplexity in list length
An index call checks every element of the list in order, until it finds a match. If your list is long, and you don't know roughly where in the list it occurs, this search could become a bottleneck. In that case, you should consider a different data structure. Note that if yo...
What is PostgreSQL explain telling me exactly?
...one clear example. Here's the same query from before but now containing an ORDER BY clause:
EXPLAIN SELECT * FROM post ORDER BY body LIMIT 50;
Limit (cost=23283.24..23283.37 rows=50 width=422)
-> Sort (cost=23283.24..23859.27 rows=230412 width=422)
Sort Key: body
-> Seq...
How to access a dictionary element in a Django template?
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Use collections.OrderedDict to control the order of the iteration
– dnalow
Jan 7 '15 at 11:35
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