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Trending in Stackoverflow

See what the Stackoverflow community is most excited about today.

Date: 2017-12-12

  1. 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

  2. IntelliJ: Never use wildcard imports

    tags: settings, intellij-idea

    338 votes, 5 answers and 87761 views

    \r\n Is there a way to tell IntelliJ never to use wildcard imports?\nUnder 'Settings > Code Style > Imports', I can see that you can specify the 'class count' prior to IntelliJ using wildcard imports. ...\r\n

  3. Why is JsonRequestBehavior needed?

    tags: c#, .net, asp.net-mvc, asp.net-mvc-3, security

    303 votes, 5 answers and 131137 views

    \r\n Why is Json Request Behavior needed?\n\nIf I want to restrict the HttpGet requests to my action I can decorate the action with the [HttpPost] attribute\n\nExample:\n\n[HttpPost]\npublic JsonResult Foo()\n{\n ...\r\n

  4. Detect if I am in release or debug mode in android

    tags: java, android

    217 votes, 6 answers and 61386 views

    \r\n How can I detect I am in Release mode or Debug mode in android?\r\n

  5. How to check if a file exists in Go?

    tags: file, go, standard-library

    221 votes, 6 answers and 104355 views

    \r\n Go's standard library does not have a function solely intended to check if a file exists or not (like Python's os.path.exists). What is the idiomatic way to do it?\r\n

  6. How can Python iterate over dictionaries with 'for' loops using only the dict keys?

    tags: python, python-2.7, dictionary, key, iteration

    1657 votes, 12 answers and 2233477 views

    \r\n I am a bit puzzled by the following code:\n\nd = {'x': 1, 'y': 2, 'z': 3} \nfor key in d:\n print key, 'corresponds to', d[key]\r\nWhat I don't understand is the key portion. How does Python recognize ...\r\n

  7. Create an empty list in python with certain size

    tags: python, list

    208 votes, 7 answers and 516350 views

    \r\n I want to create an empty list (or whatever is the best way) that can hold 10 elements.\n\nAfter that I want to assign values in that list, for example this is supposed to display 0 to 9:\n\ns1 = list();\n...\r\n

  8. Can I write a CSS selector selecting elements NOT having a certain class?

    tags: html, css, css-selectors

    392 votes, 8 answers and 251846 views

    \r\n I would like to write a CSS selector rule that selects all elements that don't have a certain class. For example, given the following HTML:\n\n\n <body class="...\r\n

  9. How to cherry-pick multiple commits

    tags: git, git-rebase, cherry-pick

    476 votes, 8 answers and 207685 views

    \r\n I have two branches. Commit a is the head of one, while the other has b, c, d, e and f on top of a. I want to move c, d, e and f to first branch without commit b. Using cherry pick it is easy: ...\r\n

  10. What is the difference between state and props in React?

    tags: javascript, reactjs

    204 votes, 8 answers and 63952 views

    \r\n I was watching a Pluralsight course on React and the instructor stated that props should not be changed. I'm now reading an article (uberVU/react-guide) on props vs. state and it says \r\n Both props ...\r\n