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ArrayList initialization equivalent to array initialization [duplicate]
... @maerics, it's also worth mentioning that Arrays.asList() return an unmodifiable collection. :)
– Konstantin Yovkov
Oct 9 '13 at 9:46
12
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Call static method with reflection
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You may want to add BindingFlags.FlattenHierarchy if the method resides in an ancestor class.
– J. Ouwehand
Jun 8 '19 at 14:51
add a comment
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Oracle: If Table Exists
...n Oracle database, and was hoping Oracle had something similar to MySQL's IF EXISTS construct.
15 Answers
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Switch statement multiple cases in JavaScript
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Here's different approach avoiding the switch statement altogether:
var cases = {
afshin: function() { alert('hey'); },
_default: function() { alert('default'); }
};
cases.larry = cases.saeed = cases.afshin;
cases[ varName ] ? ...
Why does Dijkstra's algorithm use decrease-key?
...ends on what priority queue you use. Here's a quick table that shows off different priority queues and the overall runtimes of the different Dijkstra's algorithm implementations:
Queue | T_e | T_d | T_k | w/o Dec-Key | w/Dec-Key
---------------+--------+--------+--------+------...
How to set gradle home while importing existing project in Android studio
....y.z (x.y.z is the version, so check your filesystem for the exact path).
If you intend on doing gradle development outside Android Studio or want a different version, you can download it separately and point it at that path, but if you only want to get Android Studio working with the bundled versi...
How can I profile Python code line-by-line?
...0.4 while 1:
153 50000 69065 1.4 11.4 if Char1Glob == 'A':
154 50000 66354 1.3 10.9 IntLoc = IntLoc - 1
155 50000 67263 1.3 11.1 IntParIO = IntLoc - IntGlob
156 50000 65494 ...
In Objective-C, how do I test the object type?
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If your object is myObject, and you want to test to see if it is an NSString, the code would be:
[myObject isKindOfClass:[NSString class]]
Likewise, if you wanted to test myObject for a UIImageView:
[myObject isKindOfClas...
ManyRelatedManager object is not iterable
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Try
matches = [val for val in Store.attribute_answers.all() if val in WishList.attribute_answers.all()]
Notice the parenthesis at the end of WishList.attribute_answers.all(). Adding the parenthesis invokes the all function to return an iterable.
If you include the parenthesis you'...
How do I rename a column in a SQLite database table?
...nd also within all indexes, triggers, and views that reference the column. If the column name change would result in a semantic ambiguity in a trigger or view, then the RENAME COLUMN fails with an error and no changes are applied.
Image source: https://www.sqlite.org/images/syntax/alter-table-stm...