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isset() and empty() - what to use
...mpty checks if the variable is set and if it is it checks it for null, "", 0, etc
Isset just checks if is it set, it could be anything not null
With empty, the following things are considered empty:
"" (an empty string)
0 (0 as an integer)
0.0 (0 as a float)
"0" (0 as a string)
NULL
FALSE
array(...
MongoDB, remove object from array
...
try..
db.mycollection.update(
{'_id': ObjectId("5150a1199fac0e6910000002")},
{ $pull: { "items" : { id: 23 } } },
false,
true
);
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filter items in a python dictionary where keys contain a specific string
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edited Jun 30 '16 at 16:25
Martijn Pieters♦
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throw checked Exceptions from mocks with Mockito
...reates its mock.
The behavior you are specifying with the when(list.get(0)).thenThrow(new SomeException()) doesn't match the method signature in List API, because get(int index) method does not throw SomeException() so Mockito fails.
If you really want to do this, then have Mockito throw a new...
Use of undeclared identifier 'kUTTypeMovie'
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The dudeThe dude
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Immediate function invocation syntax
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answered Jun 2 '09 at 13:11
cgpcgp
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Is it possible to have empty RequestParam values use the defaultValue?
...value = "i", required=false) Integer i) {
if(i == null) {
i = 10;
}
// ...
}
I have removed the defaultValue from the example above, but you may want to include it if you expect to receive requests where it isn't set at all:
http://example.com/test
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Best way to check if a Data Table has a null value in it
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edited Apr 10 '14 at 15:05
answered Jan 5 '11 at 13:21
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How to Get a Layout Inflater Given a Context?
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answered Feb 6 '10 at 5:45
Dave WebbDave Webb
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Difference between doseq and for in Clojure
... sure did.
– Yu Shen
Jun 18 '14 at 10:23
This is a great way to put the distinction.
– jskulski
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