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difference between #if defined(WIN32) and #ifdef(WIN32)
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#ifdef FOO
and
#if defined(FOO)
are the same,
but to do several things at once, you can use defined, like
#if defined(FOO) || defined(BAR)
share
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ActiveRecord OR query
How do you do an OR query in Rails 3 ActiveRecord. All the examples I find just have AND queries.
14 Answers
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What happens if I define a 0-size array in C/C++?
Just curious, what actually happens if I define a zero-length array int array[0]; in code? GCC doesn't complain at all.
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Get nested JSON object with GSON using retrofit
I'm consuming an API from my android app, and all the JSON responses are like this:
12 Answers
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How do I modify fields inside the new PostgreSQL JSON datatype?
...a":[null,{"b":[1,2,3]}]}'
For inserting into JSON array (while preserving all of the original values), the jsonb_insert() function can be used (in 9.6+; this function only, in this section):
SELECT jsonb_insert('{"a":[null,{"b":[1]}]}', '{a,1,b,0}', jsonb '2')
-- will yield jsonb '{"a":[null,{"b":[...
Calling a JavaScript function named in a variable [duplicate]
...s objects, so they can be properties of an object (in which case they are called methods) or even elements of arrays.
If you aren't choosing the object a function belongs to, it belongs to the global scope. In the browser, that means you're hanging it on the object named "window," which is where glo...
How do I declare a namespace in JavaScript?
... This does not create a closure for your code - it makes it tedious to call your other functions because they always have to look like: yourNamespace.bar(); I made an open source project JUST to address this design problem: github.com/mckoss/namespace.
– mckoss
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Populating a ListView using an ArrayList?
... @ Amokrane Chentir: I think that the "setContentView" method must be called before "findViewById" or else no ListView will be found.
– Petru
Jun 26 '12 at 20:36
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Coding in Other (Spoken) Languages
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If I understood well the question actually is: "does every single coder in the world know enough English to use the exact same reserved words as I do?"
Well.. English is not the subject here but programming language reserved words. I mean, when I started about ...
Mixing a PHP variable with a string literal
...ossible to inline function calls with such a method? Something similar to "foo{implode(',', [abc])}bar"
– velop
Apr 27 '17 at 15:46
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