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Trending in Stackoverflow

See what the Stackoverflow community is most excited about today.

Date: 2017-11-19

  1. List of Big-O for PHP functions

    tags: php, performance, algorithm, arrays, big-o

    259 votes, 4 answers and 51211 views

    \r\n After using PHP for a while now, I've noticed that not all PHP built in functions as fast as expected. Consider the below two possible implementations of a function that finds if a number is prime ...\r\n

  2. How do I delete (unset) an exported environment variable?

    tags: linux, environment-variables, unset

    967 votes, 3 answers and 547486 views

    \r\n Before installing gnuplot I set the environment variable GNUPLOT_DRIVER_DIR = /home/gnuplot/build/src.\n\nDuring the installation something went wrong; now I want to remove the GNUPLOT_DRIVER_DIR ...\r\n

  3. Call a “local” function within module.exports from another function in module.exports?

    tags: node.js, express

    182 votes, 8 answers and 103300 views

    \r\n How do you call a function from within another function in a module.exports declaration?\n\nHere's some simplified code.\n\nIn my app.js, I do the following:\n\nvar bla = require('./bla.js');\nconsole.log(...\r\n

  4. Quick easy way to migrate SQLite3 to MySQL?

    tags: mysql, sqlite, migration

    182 votes, 25 answers and 197924 views

    \r\n Anyone know a quick easy way to migrate a SQLite3 database to MySQL?\r\n

  5. Logout: GET or POST?

    tags: architecture, rest, post, get

    267 votes, 9 answers and 43221 views

    \r\n This question is not about when to use GET or POST in general; it is about which is the recommended one for handling logging out of a web application. I have found plenty of information on the ...\r\n

  6. How to install Python MySQLdb module using pip?

    tags: python, mysql, pip

    203 votes, 13 answers and 279215 views

    \r\n How can I install the MySQLdb module for Python using pip?\r\n

  7. Redirect stderr and stdout in Bash

    tags: bash, shell, redirect, pipe

    483 votes, 11 answers and 475133 views

    \r\n I want to redirect both stdout and stderr of a process to a single file. How do I do that in Bash?\r\n

  8. Add images to README.md on GitHub

    tags: git, github, markdown, github-flavored-markdown

    784 votes, 15 answers and 279101 views

    \r\n Recently I joined GitHub. I hosted some projects there.\n\nI need to include some images in my README File. I don't know how to do that.\n\nI searched about this, but all I got was some links which tell ...\r\n

  9. How can a time function exist in functional programming?

    tags: scala, haskell, f#, functional-programming, clean-language

    547 votes, 13 answers and 46384 views

    \r\n I've to admit that I don't know much about functional programming. I read about it from here and there, and so came to know that in functional programming, a function returns the same output, for same ...\r\n

  10. Disable link using css

    tags: html, css

    666 votes, 15 answers and 865988 views

    \r\n Is there any way to disable a link using CSS?\n\nI have a class called current-page and want links with this class to be disabled so that no action occurs when they are clicked.\r\n