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What's the deal with a leading underscore in PHP class methods?
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It's from the bad old days of Object Oriented PHP (PHP 4). That implementation of OO was pretty bad, and didn't include things like private methods. To compensate, PHP developers prefaced methods that were intended to be private with an underscore. In some older classes you'll...
find vs find_by vs where
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104
Use whichever one you feel suits your needs best.
The find method is usually used to retrieve a...
Select row with most recent date per user
... TIME | IO |
--------------------------------
| 2 | 9 | 1370931664 | out |
| 3 | 6 | 1370932128 | out |
| 5 | 12 | 1370933037 | in |
Solution which gonna work everytime:
SQLFIDDLEExample
SELECT t1.*
FROM lms_attendance t1
WHERE t1.id = (SELECT t2.id
FROM lms_at...
When should I use a struct rather than a class in C#?
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}
*Reference Source
The 'JonnyCantCode.com' source got 3 out of 4 - quite forgivable since #4 probably wouldn't be an issue. If you find yourself boxing a struct, rethink your architecture.
Let's look at why Microsoft would use these structs:
Each struct, Entry and Enumerator, repres...
Declaring variables inside a switch statement [duplicate]
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143
You actually can declare variables within a switch if you do it according to the syntax of the ...
Error - trustAnchors parameter must be non-empty
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44 Answers
44
Active
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Detect if a NumPy array contains at least one non-numeric value?
...As an extra complication the input could be a single float or numpy.float64 or even something oddball like a zero-dimensional array.
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How do I display an alert dialog on Android?
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34
shouldn't the AlertDialog.Builder(this) be replaced by AlertDialog.Builder(className.this) ?
– Apurva
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Moving project to another folder in Eclipse
...6
djbdjb
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