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Trending in Stackoverflow

See what the Stackoverflow community is most excited about today.

Date: 2018-01-15

  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. How to avoid mysql 'Deadlock found when trying to get lock; try restarting transaction'

    tags: mysql, deadlock

    186 votes, 5 answers and 222363 views

    \r\n I have a innoDB table which records online users. It gets updated on every page refresh by a user to keep track of which pages they are on and their last access date to the site. I then have a cron ...\r\n

  3. Schema for a multilanguage database

    tags: database-design, localization, multilingual

    186 votes, 10 answers and 73627 views

    \r\n I'm developing a multilanguage software. As far as the application code goes, localizability is not an issue. We can use language specific resources and have all kinds of tools that work well with ...\r\n

  4. 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

  5. Rename a table in MySQL

    tags: mysql, database, table-rename

    185 votes, 12 answers and 256295 views

    \r\n Renaming a table is not working in MySQL\n\nRENAME TABLE group TO member;\r\nThe error message is\n\n#1064 - You have an error in your SQL syntax; check the manual that corresponds\n to your MySQL ...\r\n

  6. SQL query to select dates between two dates

    tags: sql, sql-server, tsql, datetime, sql-server-2005

    184 votes, 19 answers and 1195748 views

    \r\n I have a start_date and end_date. I want to get the list of dates in between these two dates. Can anyone help me pointing the mistake in my query.\n\nselect Date,TotalAllowance \nfrom Calculation \nwhere ...\r\n

  7. How to get past the login page with Wget?

    tags: wget

    186 votes, 8 answers and 192426 views

    \r\n I am trying to use Wget to download a page, but I cannot get past the login screen.\n\nHow do I send the username/password using post data on the login page and then download the actual page as an ...\r\n

  8. Can you get the number of lines of code from a Github repository?

    tags: git, github

    191 votes, 9 answers and 102170 views

    \r\n In a Github repository you can see "language statistics", which displays the percentage of the project that's written in a language. It doesn't, however, display how many lines of code the project ...\r\n

  9. getWidth() and getHeight() of View returns 0

    tags: java, android, android-layout, getter

    330 votes, 8 answers and 216966 views

    \r\n I am creating all of the elements in my android project dynamically. I am trying to get the width and height of a button so that I can rotate that button around. I am just trying to learn how to work ...\r\n

  10. How to handle notification when app in background in Firebase

    tags: android, firebase, firebase-cloud-messaging

    190 votes, 19 answers and 128121 views

    \r\n Here is my manifest\n\n \n \n <action android:name="com.google.firebase.MESSAGING_EVENT" /&...\r\n