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Can I call a constructor from another constructor (do constructor chaining) in C++?
... {
public:
Foo(char x, int y) {}
Foo(int y) : Foo('a', y) {}
};
C++03: No
Unfortunately, there's no way to do this in C++03, but there are two ways of simulating this:
You can combine two (or more) constructors via default parameters:
class Foo {
public:
Foo(char x, int y=0); // combin...
How can I join elements of an array in Bash?
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30 Answers
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Do I need elements in persistence.xml?
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answered Nov 22 '09 at 23:10
Pascal ThiventPascal Thivent
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Notification passes old Intent Extras
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IncrediAppIncrediApp
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'git add --patch' to include new files?
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edited Aug 22 '17 at 19:53
answered Aug 11 '17 at 17:44
Ul...
How to get the list of files in a directory in a shell script?
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answered Mar 13 '10 at 6:08
Ignacio Vazquez-AbramsIgnacio Vazquez-Abrams
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Efficient method to generate UUID String in JAVA (UUID.randomUUID().toString() without the dashes)
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edited Aug 9 '17 at 13:18
Marek Jeszka
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answ...
Setting an environment variable before a command in Bash is not working for the second command in a
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324
FOO=bar bash -c 'somecommand someargs | somecommand2'
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Select row with most recent date per user
... 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
FRO...