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Should Gemfile.lock be included in .gitignore?

...> Always check in Gemfile.lock, make travis delete it if you want to be extra thorough https://grosser.it/2015/08/14/check-in-your-gemfile-lock/ share | improve this answer | ...
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How can I put a ListView into a ScrollView without it collapsing?

... in charge of ListView for the past 2 or 3 years :) ListView does a lot of extra work to optimize the use of adapters. Trying to work around it will still cause ListView to do a lot of work a LinearLayout wouldn't have to do. I won't go into the details because there's not enough room here to explai...
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How do you set a default value for a MySQL Datetime column?

...--------+-------+ | Field | Type | Null | Key | Default | Extra | +-------+-------------+------+-----+-------------------+-------+ | str | varchar(32) | YES | | NULL | | | ts | timestamp | NO | | CURRENT_TIMESTAMP | | +-------+-----------...
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How does one generate a random number in Apple's Swift language?

... SoliQuiD: except omit the extra underscore after arc4, i.e. arc4random_uniform(5). – Ali Beadle Jun 17 '17 at 10:43 3 ...
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What are the differences between numpy arrays and matrices? Which one should I use?

... here. Instead of performing fewer checks, using matrix*matrix requires an extra function call. So the advantage of using matrix is purely syntactic, not better performance. – unutbu Sep 18 '17 at 20:44 ...
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Unknown provider: $modalProvider

... Just an extra side note for an issue I also experienced today: I had a similar error "Unknown provider: $aProvider" when I turned on minification/uglify of my source code. As mentioned in the Angular docs tutorial (paragraph: "A No...
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Why does one often see “null != variable” instead of “variable != null” in C#?

... In earlier times, people would forget the '!' (or the extra '=' for equality, which is more difficult to spot) and do an assignment instead of a comparison. putting the null in front eliminates the possibility for the bug, since null is not an l-value (I.E. it can't be assigned ...
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Is there a “standard” format for command line/shell help text?

...tion that would be in a manpage as part of the program --help output. This extra will include longer descriptions, concepts explained, usage samples, known limitations and bugs, how to report a bug, and possibly a 'see also' section for related commands. I hope this helps. ...
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What is difference between MVC, MVP & MVVM design pattern in terms of coding c#

...aes: Data Manipulation should be done by View as it wants and this will be extra work on UI thread which may effect UI rendering if data processing is more. MVVM: After announcing Architectural components,we got access to ViewModel which provided us biggest advantage i.e it's lifecycle aware.So,it w...
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Cannot install packages using node package manager in Ubuntu

... package shall also provide a nodejs-legacy binary package at Priority: extra that contains /usr/bin/node as a symlink to /usr/bin/nodejs. No package in the archive may depend on or recommend the nodejs-legacy package, which is provided solely for upstream compatibility. This package decl...