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Is there a standard sign function (signum, sgn) in C/C++?
I want a function that returns -1 for negative numbers and +1 for positive numbers.
http://en.wikipedia.org/wiki/Sign_function
It's easy enough to write my own, but it seems like something that ought to be in a standard library somewhere.
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How to override a JavaScript function
...follow
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edited Mar 23 '11 at 18:29
answered Mar 23 '11 at 17:50
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Understanding NSRunLoop
...or what is NSRunLoop ? so as I know NSRunLoop is a something connected with NSThread right? So assume I create a Thread like
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How to POST JSON Data With PHP cURL?
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You are POSTing the json incorrectly -- but even if it were correct, you would not be able to test using print_r($_POST) (read why here). Instead, on your second page, you can nab the incoming request using file_get_contents("php://input"), which will contain the POSTed json....
Getting value of public static final field/property of a class in Java via reflection
...trieve the value. If you know the type you can use one of the get methods with null (for static fields only, in fact with a static field the argument passed to the get method is ignored entirely). Otherwise you can use getType and write an appropriate switch as below:
Field f = R.class.getField("_1...
Detecting Windows or Linux? [duplicate]
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Simply tests whether os.name property begins with Windows...
– George Chakhidze
Jun 17 '18 at 13:35
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Send message to specific client with socket.io and node.js
I'm working with socket.io and node.js and until now it seems pretty good, but I don't know how to send a message from the server to an specific client, something like this:
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CUDA incompatible with my gcc version
I have troubles compiling some of the examples shipped with CUDA SDK.
I have installed the developers driver (version 270.41.19) and the CUDA toolkit,
then finally the SDK (both the 4.0.17 version).
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What are unit tests, integration tests, smoke tests, and regression tests?
What are unit tests, integration tests, smoke tests, and regression tests? What are the differences between them and which tools can I use for each of them?
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How to check for file existence [duplicate]
...here I could pass "a full path", home/me/a_file.txt , to identify whether it is a valid file path?
2 Answers
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