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Find a pair of elements from an array whose sum equals a given number
Given array of n integers and given a number X, find all the unique pairs of elements (a,b), whose summation is equal to X.
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Understanding the difference between __getattr__ and __getattribute__
I am trying to understand the difference between __getattr__ and __getattribute__ , however, I am failing at it.
4 Answe...
Google Maps JS API v3 - Simple Multiple Marker Example
...he Google Maps Api. I've got an array of data that I want to cycle through and plot on a map. Seems fairly simple, but all the multi-marker tutorials I have found are quite complex.
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How to increase the Java stack size?
...crease the runtime call stack size in the JVM. I've got an answer to this, and I've also got many useful answers and comments relevant to how Java handles the situation where a large runtime stack is needed. I've extended my question with the summary of the responses.
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What does “yield break;” do in C#?
...t after the loop has completed all its cycles, the last line gets executed and you will see the message in your console app.
Or like this with yield break:
int i = 0;
while (true)
{
if (i < 5)
{
yield return i;
}
else
{
// note that i++ will not be executed a...
Reading a huge .csv file
...ying to read data from .csv files in Python 2.7 with up to 1 million rows, and 200 columns (files range from 100mb to 1.6gb). I can do this (very slowly) for the files with under 300,000 rows, but once I go above that I get memory errors. My code looks like this:
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What's the purpose of git-mv?
From what I understand, Git doesn't really need to track file rename/move/copy operations, so what's the real purpose
of git mv ? The man page isn't specially descriptive...
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How do you pass a function as a parameter in C?
...e parameter f will be a pointer to a function which has a void return type and which takes a single int parameter. The following function (print) is an example of a function which could be passed to func as a parameter because it is the proper type:
void print ( int x ) {
printf("%d\n", x);
}
F...
What's wrong with this 1988 C code?
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Your problem is with your preprocessor definitions of IN and OUT:
#define IN 1; /* inside a word */
#define OUT 0; /* outside a word */
Notice how you have a trailing semicolon in each of these. When the preprocessor expands them, your code will look roughly like:
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Difference between malloc and calloc?
...tage of the OS's guarantee.
This means calloc memory can still be "clean" and lazily-allocated, and copy-on-write mapped to a system-wide shared physical page of zeros. (Assuming a system with virtual memory.)
Some compilers even can optimize malloc + memset(0) into calloc for you, but you should...