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In SQL, what's the difference between count(column) and count(*)?
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236
count(*) counts NULLs and count(column) does not
[edit] added this code so that people can run...
How to push both value and key into PHP array
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answered Jan 23 '10 at 0:45
PekkaPekka
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How do I make a LinearLayout scrollable?
...w.
– JoaoFilipeClementeMartins
Jan 23 '14 at 11:56
4
You should avoid scrollable content inside s...
Rails DB Migration - How To Drop a Table?
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edited Jan 5 '16 at 17:23
Joe Kennedy
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answered...
Cloning an Object in Node.js
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300
Possibility 1
Low-frills deep copy:
var obj2 = JSON.parse(JSON.stringify(obj1));
Possibility ...
Gradle: How to Display Test Results in the Console in Real Time?
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13
With 1.0-milestone 6 the Gradle DSL now let's you configure that directly using testLogging.showStandardStreams = true within the test closu...
How to get the name of enumeration value in Swift?
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edited Jul 25 '19 at 1:23
pkamb
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answered...
Explain ExtJS 4 event handling
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myButton.addEvents('myspecialevent1', 'myspecialevent2', 'myspecialevent3', /* ... */);
Using the addEvents method is optional. As comments to this method say there is no need to use this method but it provides place for events documentation.
To fire your event use fireEvent method:
myButton....
Java `final` method: what does it promise?
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Dave Jarvis
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answered Apr 5 '11 at 6:10
NawaManNawaMan
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Google Maps V3 - How to calculate the zoom level for a given bounds
... way to calculate the zoom level for a given bounds using the Google Maps V3 API, similar to getBoundsZoomLevel() in the V2 API.
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