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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
...
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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Is it safe to shallow clone with --depth 1, create commits, and pull updates again?
...kruse
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answered Jan 19 '14 at 13:19
VonCVonC
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Concatenating two one-dimensional NumPy arrays
...ert
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EF LINQ include multiple and nested entities
... J Bryan Price
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answered Apr 2 '13 at 12:55
Jens KlosterJens Kloster
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Is Enabling Double Escaping Dangerous?
...dely supported for backwards-compatibility reasons. If only for canonicalization purposes, you're better off encoding spaces as '%20' anyhow; and this nicely sidesteps the IIS7 issue (which can still crop up for other sequences, such as %25ab.)
...