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rsync: difference between --size-only and --ignore-times
I'm trying to understand what the difference is between two options
4 Answers
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Why is lock(this) {…} bad?
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It is bad form to use this in lock statements because it is generally out of your control who else might be locking on that object.
In order to properly plan parallel operations, special care should be taken to consider possible d...
Difference between Node object and Element object?
I am totally confused between Node object and Element object.
document.getElementById() returns Element object while document.getElementsByClassName()
returns NodeList object(Collection of Elements or Nodes?)
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Why switch is faster than if
Lots of Java books describe the switch statement as being faster than the if else statement. But I did not find out anywhere why switch is faster than if .
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Fastest way to determine if an integer's square root is an integer
I'm looking for the fastest way to determine if a long value is a perfect square (i.e. its square root is another integer):
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What kinds of patterns could I enforce on the code to make it easier to translate to another program
I am setting out to do a side project that has the goal of translating code from one programming language to another. The languages I am starting with are PHP and Python (Python to PHP should be easier to start with), but ideally I would be able to add other languages with (relative) ease. The plan ...
What are the applications of binary trees?
I am wondering what the particular applications of binary trees are. Could you give some real examples?
17 Answers
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How to use Git Revert
...ng commit.
It leaves the files in the same state as if the commit that has been reverted never existed. For example, consider the following simple example:
$ cd /tmp/example
$ git init
Initialized empty Git repository in /tmp/example/.git/
$ echo "Initial text" > README.md
$ git add README.md
$ g...
Finding all possible combinations of numbers to reach a given sum
How would you go about testing all possible combinations of additions from a given set N of numbers so they add up to a given final number?
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Common programming mistakes for Clojure developers to avoid [closed]
What are some common mistakes made by Clojure developers, and how can we avoid them?
8 Answers
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