Skip to content

Latest commit

 

History

History
97 lines (43 loc) · 5.26 KB

2017-12-29.md

File metadata and controls

97 lines (43 loc) · 5.26 KB

Trending in Stackoverflow

See what the Stackoverflow community is most excited about today.

Date: 2017-12-29

  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 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

  3. setImmediate vs. nextTick

    tags: javascript, node.js, setimmediate

    255 votes, 5 answers and 57130 views

    \r\n Node.js version 0.10 was released today and introduced setImmediate. The API changes documentation suggests using it when doing recursive nextTick calls.\n\nFrom what MDN says it seems very similar to ...\r\n

  4. Create code first, many to many, with additional fields in association table

    tags: c#, entity-framework, ef-code-first, many-to-many

    226 votes, 5 answers and 93616 views

    \r\n I have this scenario:\n\npublic class Member\n{\n public int MemberID { get; set; }\n\n public string FirstName { get; set; }\n public string LastName { get; set; }\n\n public virtual ICollection&...\r\n

  5. 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

  6. Insert text with single quotes in PostgreSQL

    tags: postgresql, insert, special-characters, quotes, stringescapeutils

    210 votes, 6 answers and 179479 views

    \r\n I have a table test(id,name).\n\nI need to insert values like: user's log, 'my user', customer's.\n\n insert into test values (1,'user's log');\n insert into test values (2,''my users'');\n insert into ...\r\n

  7. How to change the status bar color in android

    tags: android, statusbar, android-notifications, android-navigation

    213 votes, 11 answers and 429687 views

    \r\n First of all it's not a duplicate as in How to change the background color of android status bar\n\nHow do I change the status bar color which should be same as in navigation bar.\n\nI want the status bar ...\r\n

  8. 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

  9. Fastest way to check if a value exist in a list

    tags: python, performance, list

    403 votes, 8 answers and 913415 views

    \r\n I'm searching for the fastest way to know if a value exists in a list (a list with millions of values in it) and what its index is? I know all values in the list are unique like my example.\n\nMy first ...\r\n

  10. Check existence of input argument in a Bash shell script

    tags: bash, shell

    761 votes, 8 answers and 713821 views

    \r\n I need to check the existence of an input argument. I have the following script:\n\nif [ "$1" -gt "-1" ]\n then echo hi\nfi\r\nI get\n\n[: : integer expression expected\r\nHow do I check the input argument1 ...\r\n