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Why are my JavaScript function names clashing?
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170
Function declarations are hoisted (moved to the top) in JavaScript. While incorrect in terms o...
What is a git topic branch?
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116
Topic branches are typically lightweight branches that you create locally and that have a name...
What is the difference between self::$bar and static::$bar in PHP?
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192
When you use self to refer to a class member, you're referring to the class within which you u...
Clean up a fork and restart it from the upstream
...orce-pushing).
Note: on GitHub specifically, there is now (February 2019) a shortcut to delete forked repos for pull requests that have been merged upstream.
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What do the python file extensions, .pyc .pyd .pyo stand for?
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491
.py: This is normally the input source code that you've written.
.pyc: This is the compiled byt...
How can I quantify difference between two images?
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General idea
Option 1: Load both images as arrays (scipy.misc.imread) and calculate an element-wise (pixel-by-pixel) difference. Calculate the norm of the difference.
Option 2: Load both images. Calculate some feature vector for each of them (l...
What is the difference between a generative and a discriminative algorithm?
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13 Answers
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Why XML-Serializable class need a parameterless constructor
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edited Jul 1 '18 at 21:21
Mateusz Piotrowski
5,56688 gold badges4141 silver badges6666 bronze badges
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Difference between socket and websocket?
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153
To answer your questions.
Even though they achieve (in general) similar things, yes, they ar...
Occurrences of substring in a string
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The last line was creating a problem. lastIndex would never be at -1, so there would be an infinite loop. This can be fixed by moving the last line of code into the if block.
String str = "helloslkhellodjladfjhello";
String findStr = "hello";
int lastIndex = 0;
int count = 0;
while(lastInd...