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How to round up a number to nearest 10?

... gives the expected results in 100% of cases. I guess I'll have to do some testing. – Alph.Dev Oct 4 '16 at 11:10 Is t...
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How do I create a directory from within Emacs?

...: C-x d *.py RET ; shows python source files in the CWD in `Dired` mode + test RET ; create `test` directory in the CWD CWD stands for Current Working Directory. or just create a new file with non-existing parent directories using C-x C-f and type: M-x make-directory RET RET Emacs asks to...
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Remove ActiveRecord in Rails 3

...e "action_mailer/railtie" require "active_resource/railtie" require "rails/test_unit/railtie" require "sprockets/railtie" # Auto-require default libraries and those for the current Rails environment. Bundler.require :default, Rails.env If, in config/application.rb, you are using the config.genera...
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Quick unix command to display specific lines in the middle of a file?

...thod 3, efficient on large files method 3 efficient on large files fastest way to display specific lines share | improve this answer | follow | ...
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Is well formed without a ?

... is valid. <!DOCTYPE html> <html> <head> <title>test</title> </head> <body> <input type='text' /> </body> </html> share | improve th...
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Best way to check if a Data Table has a null value in it

...able.Rows) { foreach (DataColumn col in table.Columns) { //test for null here if (row[col] == DBNull.Value) { tableHasNull = true; } } } if (tableHasNull) { //handle null in table } You can also come out of the foreach loop with a brea...
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Passing an array to a function with variable number of args in Swift

...aySum = sumOf([1, 2, 3, 4, 5]) It seems strange, but it is working in my tests. Let me know if this causes unforeseen problems for anyone. Swift seems to be able to separate the difference between the two calls with the same function name. Also, with this method if Apple updates the language as...
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Accessing elements of Python dictionary by index

... @Yucca - You were correct, I didn't test my code. The answer has been updated – Jamie Marshall Feb 12 at 17:49 add a comment ...
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How do I display a text file content in CMD?

...d-line shell called "Windows PowerShell." It should come standard on the latest versions of Windows, but you can download it from Microsoft if you don't already have it installed. To get the last five lines in the text file simply read the file using Get-Content, then have Select-Object pick out th...
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HTML5 Audio stop function

...request, the old one is cancelled and our audio element is in clean state (tested in Chrome and FF) :> share | improve this answer | follow | ...