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How do API Keys and Secret Keys work? Would it be secure if I have to pass my API and secret keys to
...ction and its inverse. Theoretically, any mathematical functions that maps one thing to another can be reversed. In practice, though, you can make a function that scrambles its input so well that it's incredibly difficult to reverse.
Taking an input and applying a one-way function is called "hashin...
How do I fix the indentation of an entire file in Vi?
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I'll never be able to unlearn my precious 1G =) One of my favorites is =% standing on an opening bracket. It fixes the indents of the whole block.
– PEZ
Feb 3 '09 at 8:05
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Which terminal command to get just IP address and nothing else?
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On Debian I got just one ip. So using hostname isn't portable.
– Timofey Stolbov
Dec 16 '11 at 3:00
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How do I check if there are duplicates in a flat list?
For example, given the list ['one', 'two', 'one'] , the algorithm should return True , whereas given ['one', 'two', 'three'] it should return False .
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HTML5 Canvas Resize (Downscale) Image High Quality?
...very simple downsampling : to build the smaller image, they will just pick ONE pixel in the source and use its value for the destination. which 'forgets' some details and adds noise.
Yet there's an exception to that : since the 2X image downsampling is very simple to compute (average 4 pixels to ...
What is simplest way to read a file into String? [duplicate]
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Yes, you can do this in one line (though for robust IOException handling you wouldn't want to).
String content = new Scanner(new File("filename")).useDelimiter("\\Z").next();
System.out.println(content);
This uses a java.util.Scanner, telling it ...
Get int value from enum in C#
...the integers differently to each value. That meant that serialised objects one one machine, were deserialising with different values on a different machine and effectively getting corrupted (causing hours of confusion). We raised it with MS and I seem to recall they said that the autogenerated integ...
Slicing of a NumPy 2d array, or how do I extract an mxm submatrix from an nxn array (n>m)?
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As Sven mentioned, x[[[0],[2]],[1,3]] will give back the 0 and 2 rows that match with the 1 and 3 columns while x[[0,2],[1,3]] will return the values x[0,1] and x[2,3] in an array.
There is a helpful function for doing the first example...
C pointers : pointing to an array of fixed size
...array parameter
void foo(char (*p)[10]);
(in C++ language this is also done with references
void foo(char (&p)[10]);
).
This will enable language-level type checking, which will make sure that the array of exactly correct size is supplied as an argument. In fact, in many cases people use ...
How to write a Python module/package?
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would that last one be: from HellowModule import hellomodule? Could that be hello in the module folder, so it would be from HelloModule import hello
– nycynik
Feb 22 '15 at 13:33
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