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What does -1 mean in numpy reshape?
...numpy matrix can be reshaped into a vector using reshape function with parameter -1. But I don't know what -1 means here.
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How do I get the current date in JavaScript?
...new Date() to generate a new Date object containing the current date and time.
var today = new Date();
var dd = String(today.getDate()).padStart(2, '0');
var mm = String(today.getMonth() + 1).padStart(2, '0'); //January is 0!
var yyyy = today.getFullYear();
today = mm + '/' + dd + '/' + y...
GPU Emulator for CUDA programming without the hardware [closed]
Question: Is there an emulator for a Geforce card that would allow me to program and test CUDA without having the actual hardware?
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Why do most C developers use define instead of const? [duplicate]
In many programs a #define serves the same purpose as a constant. For example.
9 Answers
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Do I need all three constructors for an Android custom view?
...ally used when you want all of the Views in your application to have the same style.
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How do I create a Python function with optional arguments?
I have a Python function which takes several arguments. Some of these arguments could be omitted in some scenarios.
2 Answe...
How do I test for an empty string in a Bash case statement?
...ions based on the value of a variable. The general syntax of the case statement is:
3 Answers
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Detecting programming language from a snippet
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I think that the method used in spam filters would work very well. You split the snippet into words. Then you compare the occurences of these words with known snippets, and compute the probability that this snippet is written in language X fo...
In Python, how to display current time in readable format
How can I display the current time as:
6 Answers
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Rails - Validate Presence Of Association?
...has a "has_many" association to another model B. I have a business requirement that an insert into A requires at least 1 associated record to B. Is there a method I can call to make sure this is true, or do I need to write a custom validation?
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