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Iterate through a HashMap [duplicate]
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by calling 'it.remove(); ' you are emptying the map making it not reusable if this map was a class variable. Do you have any solution to that?
– vim
Jan 10 '12 at 9:47
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How to use LocalBroadcastManager?
...ustom-event-name"));
}
// Our handler for received Intents. This will be called whenever an Intent
// with an action named "custom-event-name" is broadcasted.
private BroadcastReceiver mMessageReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {...
Gradle: How to Display Test Results in the Console in Real Time?
...ine? EDIT: got it - just add it to the modules's gradle.config and run normally
– hardysim
Nov 26 '16 at 19:38
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How to make exe files from a node.js app?
... this way. This setup can be automated with a batch file, vb script or installer.
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Is it better to return null or empty collection?
...llection might mean "0 items", returning Null could mean "no collection at all" - eg. if you are parsing HTML, looking for an <ul> with id="foo", <ul id="foo"></ul> could return empty collection; if there is no <ul> with id="foo" a null return would be better (unless you want...
Method names for getting data [closed]
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It is all about consistent semantics;
In your question title you use getting data. This is extremely
general in a sense that you need to define what getting means
semantically significantly unambiguous way. I offer the follow
exam...
How does database indexing work? [closed]
... pointer to the record it relates to. This index structure is then sorted, allowing Binary Searches to be performed on it.
The downside to indexing is that these indices require additional space on the disk since the indices are stored together in a table using the MyISAM engine, this file can quic...
Jdbctemplate query for string: EmptyResultDataAccessException: Incorrect result size: expected 1, ac
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In JdbcTemplate , queryForInt, queryForLong, queryForObject all such methods expects that executed query will return one and only one row. If you get no rows or more than one row that will result in IncorrectResultSizeDataAccessException . Now the correct way is not to catch this exce...
What is “vectorization”?
...vec" instructions, and even some ARM chips have a vector instruction set, called NEON.
"Vectorization" (simplified) is the process of rewriting a loop so that instead of processing a single element of an array N times, it processes (say) 4 elements of the array simultaneously N/4 times.
(I chose 4...
Homebrew install specific version of formula?
How do I install a specific version of a formula in homebrew? For example, postgresql-8.4.4 instead of the latest 9.0.
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