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Why is exception handling bad?
...each individual method to get it right and roll back when that happens, or order your operations so throws don't effect object state. If you get it wrong (and it's easy to make this kind of mistake), then the caller ends up seeing your intermediate values.
Methods like RAII, which C++ programmers ...
How to get a list of installed android applications and pick one to run
...igured it out. Now, I'm working on how can I access those installed app in order to create a shortcut inside my App. Is that possible?
– androidBoomer
Jan 24 '14 at 1:35
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List vs List
...for example, Map<String, int>. Your consumer method might break.
In order to ensure that List can hold objects of a given type, Java generics introduced ? extends. So in #1, the List can hold any object which is derived from Map<String, String> type. Adding any other type of data would ...
Generate a heatmap in MatPlotLib using a scatter data set
...y (e.g., square bins don't,
e.g., the distance from a point on a square's border to a point
inside that square is not everywhere equal) and
hexagon is the highest n-polygon that gives regular plane
tessellation (i.e., you can safely re-model your kitchen floor with hexagonal-shaped tiles because you...
What are the use cases of Graph-based Databases (http://neo4j.org/)? [closed]
...hs). I've been playing around with neo4j, and my lookup times are several orders of magnitude faster when I need this kind of lookup.
Second, to the point that graph databases are outdated. Um...no. Early on, as people were trying to figure out how to store and lookup data efficiently, they crea...
Why is sizeof considered an operator?
...
Because it is a compile-time operator that, in order to calculate the size of an object, requires type information that is only available at compile-time. This doesn't hold for C++.
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Check if a number has a decimal place/is a whole number
... easy way in JavaScript to check if a number has a decimal place in it (in order to determine if it is an integer). For instance,
...
How to remove all debug logging calls before building the release version of an Android app?
... final boolean DEBUG_STARTING_WINDOW = false;
static final boolean DEBUG_REORDER = false;
static final boolean DEBUG_WALLPAPER = false;
static final boolean SHOW_TRANSACTIONS = false;
static final boolean HIDE_STACK_CRAWLS = true;
static final boolean MEASURE_LATENCY = false;
With corresponding co...
When to favor ng-if vs. ng-show/ng-hide?
...t to be able to check validity on inputs that aren't currently visible, in order to determine whether the whole form is valid.
You're using some really elaborate stateful logic with conditional event handlers, as mentioned above. That said, if you find yourself manually attaching and detaching handl...
Storing JSON in database vs. having a new column for each key
...ke this:
select meta_val from `table` where meta_key = 'name' and uid = 1 order by meta_id desc
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