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How to customize a requirements.txt for multiple environments?

I have two branches, Development and Production. Each has dependencies, some of which are different. Development points to dependencies that are themselves in development. Likewise for Production. I need to deploy to Heroku which expects each branch's dependencies in a single file called 'requiremen...
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What is the Swift equivalent to Objective-C's “@synchronized”?

... from Matt Gallagher about this: cocoawithlove.com/blog/2016/06/02/threads-and-mutexes.html – wuf810 Jul 29 '16 at 11:50 4 ...
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See my work log in jira

... We are using the Timesheet Reports and Gadgets Add-On for JIRA. It's available on the Atlassian Marketplace under a BSD licence, but it's not free. On our JIRA 5.0.x server, it was accessible from the Projects tab > Summary page > Reports drop-down list...
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Rails: Using greater than/less than with a where statement

...th dates here on SO. >= vs > To avoid people having to dig through and follow the comments conversation here are the highlights. The method above only generates a >= query and not a >. There are many ways to handle this alternative. For discrete numbers You can use a number_you_want...
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Is “for(;;)” faster than “while (TRUE)”? If not, why do people use it?

...ster. If you really care, compile with assembler output for your platform and look to see. It doesn't matter. This never matters. Write your infinite loops however you like. share | improve this a...
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presentViewController and displaying navigation bar

I have a view controller hierarchy and the top-most controller is displayed as a modal and would like to know how to display the navigation bar when using ...
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How to define a two-dimensional array?

...sion that could arise with the indexing, if you use "x" for both the inner and outer lists, and want a non-square Matrix. share | improve this answer | follow ...
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Access is denied when attaching a database

... answered May 22 '12 at 18:18 MandoMandoMandoMando 4,66533 gold badges2424 silver badges3131 bronze badges ...
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Detect when browser receives file download

...lution uses JavaScript on the client. The client algorithm: Generate a random unique token. Submit the download request, and include the token in a GET/POST field. Show the "waiting" indicator. Start a timer, and every second or so, look for a cookie named "fileDownloadToken" (or whatever you dec...
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Differences between INDEX, PRIMARY, UNIQUE, FULLTEXT in MySQL?

What are the differences between PRIMARY, UNIQUE, INDEX and FULLTEXT when creating MySQL tables? 3 Answers ...