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Why does Eclipse Java Package Explorer show question mark on some classes?
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answered Nov 29 '10 at 19:17
Aleks FelipeAleks Felipe
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Shell script to delete directories older than n days
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answered Dec 13 '12 at 21:44
sampson-chensampson-chen
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What's the difference between “Normal Reload”, “Hard Reload”, and ...
...ussen
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How to uglify output with Browserify in Gulp?
...nswered Aug 13 '14 at 16:01
Hafiz IsmailHafiz Ismail
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how does array[100] = {0} set the entire array to 0?
...: for the elements that don't have a specified value, the compiler initializes pointers to NULL and arithmetic types to zero (and recursively applies this to aggregates).
The behavior of this code in C++ is described in section 8.5.1.7 of the C++ specification (online draft of C++ spec): the compi...
In Ruby on Rails, what's the difference between DateTime, Timestamp, Time and Date?
...re 1970 or after 2038? Use DATETIME. Do you need to worry about database size and you're within that timerange? Use TIMESTAMP. Do you only need to store a date? Use DATE. Do you only need to store a time? Use TIME.
Having said all of this, Rails actually makes some of these decisions for you. Both ...
Update multiple rows in same query using PostgreSQL
... table. If you want to update more than one column, it's much more generalizable:
update test as t set
column_a = c.column_a
from (values
('123', 1),
('345', 2)
) as c(column_b, column_a)
where c.column_b = t.column_b;
You can add as many columns as you like:
update test as t set
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Passing an Array as Arguments, not an Array, in PHP
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Trigger change() event when setting 's value with val() function
...istos
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answered Sep 1 '11 at 17:05
criticmancriticman
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java SSL and cert keystore
...LINGS
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answered May 3 '11 at 14:46
DaveHDaveH
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