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Canary release strategy vs. Blue/Green
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answered Jun 3 '14 at 12:39
Dave SchweisguthDave Schweisguth
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How can I catch a “catchable fatal error” on PHP type hinting?
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VolkerKVolkerK
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Rendering JSON in controller
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127
You'll normally be returning JSON either because:
A) You are building part / all of your appli...
Redefining NULL
...sting a 0 constant to a pointer value must result in a NULL pointer (§6.3.2.3/3), and evaluating the null pointer as a boolean must be false. This can be a bit awkward if you really do want a zero address, and NULL is not the zero address.
Nevertheless, with (heavy) modifications to the compiler a...
Is storing a delimited list in a database column really that bad?
...Can’t ensure that each value is the right data type: no way to prevent 1,2,3,banana,5
Can’t use foreign key constraints to link values to a lookup table; no way to enforce referential integrity.
Can’t enforce uniqueness: no way to prevent 1,2,3,3,3,5
Can’t delete a value from the list withou...
Python Empty Generator Function
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edited Oct 20 '17 at 1:19
answered Nov 6 '12 at 3:22
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How do you write a migration to rename an ActiveRecord model and its table in Rails?
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ndnenkov
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answered Jan 23 '09 at 0:29
ReadonlyReadonly
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Is there a way to follow redirects with command line cURL?
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782
Use the location header flag:
curl -L <URL>
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await vs Task.Wait - Deadlock?
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281
Wait and await - while similar conceptually - are actually completely different.
Wait will sy...
What is this 'Lambda' everyone keeps speaking of?
...hat perform much more useful tasks. For example filter:
var numbers = [1, 2, 3, 4];
var even = [];
// keep all even numbers from above array
for (var i=0; i<numbers.length; i++) {
if (numbers[i] % 2 === 0) {
even.push(numbers[i]);
}
}
alert(even);
// Using the filter method...