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How do you use “
...ion. This is useful because it allows us to have two levels of parameters. One level of parameters (the parent) controls how the function works. The other level (the child) does the work. The following example shows how can use this idea to generate a family of power functions. The parent function (...
data.table vs dplyr: can one do something well the other can't or does poorly?
...ce): Speed, Memory usage, Syntax and Features.
My intent is to cover each one of these as clearly as possible from data.table perspective.
Note: unless explicitly mentioned otherwise, by referring to dplyr, we refer to dplyr's data.frame interface whose internals are in C++ using Rcpp.
The ...
How to split one string into multiple strings separated by at least one space in bash shell?
I have a string containing many words with at least one space between each two. How can I split the string into individual words so I can loop through them?
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Apache Prefork vs Worker MPM
...le, I see Prefork and Worker MPM defined. What is the difference and which one is Apache using?
7 Answers
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Mock functions in Go
...h dependencies. I want to be able to replace some function calls with mock ones. Here's a snippet of my code:
6 Answers
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How to send an object from one Android Activity to another using Intents?
..., a simple example for how to implement is:
// simple class that just has one member property as an example
public class MyParcelable implements Parcelable {
private int mData;
/* everything below here is for implementing Parcelable */
// 99.9% of the time you can just ignore this
...
Ukkonen's suffix tree algorithm in plain English
...
The following is an attempt to describe the Ukkonen algorithm by first showing what it does when the string is simple (i.e. does not contain any repeated characters), and then extending it to the full algorithm.
First, a few preliminary statements.
What we are building...
How do you remove all the options of a select box and then add one option and select it with jQuery?
...g core jQuery, how do you remove all the options of a select box, then add one option and select it?
24 Answers
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What happens when a duplicate key is put into a HashMap?
...Java returns any previous value associated with the given key (or null if none present), so you can determine what was there and maintain a reference if necessary.
More information here: HashMap Doc
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How do I use shell variables in an awk script?
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Getting shell variables into awk
may be done in several ways. Some are better than others. This should cover most of them. If you have a comment, please leave below. ...