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Unique (non-repeating) random numbers in O(1)?
...-Yates known as Durstenfeld-Fisher-Yates or Knuth-Fisher-Yates. Since the description may be a little difficult to follow, I have provided an example below (using 11 elements instead of 1001):
Array starts off with 11 elements initialized to array[n] = n, max starts off at 10:
+--+--+--+--+--+--+...
How does the Google “Did you mean?” Algorithm work?
...rithm can be easily
translated to other languages.
Below follows a short description of the algorithm.
The algorithm consists of two steps, preparation and word checking.
Step 1: Preparation - setting up the word database
Best is if you can use actual search words and their occurence.
If you don...
What's the opposite of 'make install', i.e. how do you uninstall a library in Linux?
...s point checkinstall will prompt for a package name. Enter something a bit descriptive and note it because you'll use it in a minute. It will also prompt for a few more data that you can ignore. If it complains about the version not been acceptable just enter something reasonable like 1.0. When it c...
How to find where gem files are installed
...hing
Summary:
Display information about the RubyGems environment
Description:
The RubyGems environment can be controlled through command line arguments,
gemrc files, environment variables and built-in defaults.
Command line argument defaults and some RubyGems defaults can be s...
2 column div layout: right column with fixed width, left fluid
...x layout. I used SCSS here since its variables allow for flexible and self-descriptive code, but the layout can be easily re-created in pure CSS if having "hard-coded" values is not an issue.
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How to import CSV file data into a PostgreSQL table?
...missions, and you can't simply add a `` to make it magically work. See the description (in the context of export) here: stackoverflow.com/a/1517692/157957
– IMSoP
Jan 26 '17 at 16:29
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what is reverse() in Django
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need full description boss
– giveJob
Jun 9 '18 at 5:51
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How to use ng-repeat without an html element
...t that does exactly what you ask for. See my answer in this question for a description of how to use it.
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How to sync with a remote Git repository?
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@vidstige Which isn't really descriptive enough if you have multiple remotes for a repository. For example, I frequently have a remote on Github and a remote on Dropbox.
– Abizern
Mar 10 '15 at 12:35
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Difference between abstraction and encapsulation?
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Why was this downvoted? It's one of the only correct descriptions in this big sea of wrong answers.
– Konrad Rudolph
Apr 13 '09 at 11:47
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