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Generate 'n' unique random numbers within a range [duplicate]
I know how to generate a random number within a range in Python.
4 Answers
4
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How do I choose grid and block dimensions for CUDA kernels?
This is a question about how to determine the CUDA grid, block and thread sizes. This is an additional question to the one posted here .
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What does the “map” method do in Ruby?
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The map method takes an enumerable object and a block, and runs the block for each element, outputting each returned value from the block (the original object is unchanged unless you use map!):
[1, 2, 3].map { |n| n * n } #=> [1, 4, 9]
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How to convert URL parameters to a JavaScript object?
I have a string like this:
30 Answers
30
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html5 localStorage error with Safari: “QUOTA_EXCEEDED_ERR: DOM Exception 22: An attempt was made to
.../store.js/issues/42
function isLocalStorageNameSupported()
{
var testKey = 'test', storage = window.sessionStorage;
try
{
storage.setItem(testKey, '1');
storage.removeItem(testKey);
return localStorageName in win && win[localStorageName];
}
cat...
What is wrong with using goto? [duplicate]
I was ramdomming through xkcd and saw this one (if also read some negative texts about them some years ago):
What is actually wrong with it? Why are goto's even possible in C++ then?
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Command line progress bar in Java
I have a Java program running in command line mode.
I would like to display a progress bar, showing the percentage of job done.
The same kind of progress bar you would see using wget under unix.
Is this possible?
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Colorizing text in the console with C++
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HANDLE hConsole = GetStdHandle(STD_OUTPUT_HANDLE);
// you can loop k higher to see more color choices
for(int k = 1; k < 255; k++)
{
// pick the colorattribute k you want
SetConsoleTextAttribute(hConsole, k);
cout << k << " I want to be nice today!" << en...
Time complexity of Euclid's Algorithm
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One trick for analyzing the time complexity of Euclid's algorithm is to follow what happens over two iterations:
a', b' := a % b, b % (a % b)
Now a and b will both decrease, instead of only one, which makes the analysis easier. Yo...
Java Hashmap: How to get key from value?
... ftw.containsValue("foo") returns true , how can I get the corresponding key? Do I have to loop through the hashmap? What is the best way to do that?
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