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Normalizing mousewheel speed across browsers
For a different question I composed this answer , including this sample code .
10 Answers
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Bash empty array expansion with `set -u`
I'm writing a bash script which has set -u , and I have a problem with empty array expansion: bash appears to treat an empty array as an unset variable during expansion:
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Find when a file was deleted in Git
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git log --full-history -- [file path] shows the changes of a file, work even if the file was deleted.
Example:
git log --full-history -- myfile
If you want to see only the last commit, which deleted a file use -1 in addition, e.g...
How to split data into training/testing sets using sample function
I've just started using R and I'm not sure how to incorporate my dataset with the following sample code:
23 Answers
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Can functions be passed as parameters?
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What's the best way to check if a file exists in C?
... return 0 (success) because the file does not have the read-only attribute set, but you still may not have permission to write to the file.
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Can iterators be reset in Python?
...ython? I am using DictReader and would like to reset it to the beginning of the file.
15 Answers
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Identify duplicates in a List
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The method add of Set returns a boolean whether a value already exists (true if it does not exist, false if it already exists, see Set documentation).
So just iterate through all the values:
public Set<Integer> findDuplicates(List<I...
How does Dijkstra's Algorithm and A-Star compare?
...ility function to find the vertex with minimum distance value, from
// the set of vertices not yet included in shortest path tree
int minDistance(int dist[], bool sptSet[])
{
// Initialize min value
int min = INT_MAX, min_index;
for (int v = 0; v < V; v++)
if (sptSet[v] == false &&...
Is it possible to Pivot data using LINQ?
... grouping by N-dimensions (n>2) and will work fine for rather small datasets. For large datasets (up to 1 mln of records and more) or for cases when pivot configuration cannot be hardcoded I've written special PivotData library (it is free):
var pvtData = new PivotData(new []{"CustID","OrderDate...
