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Download single files from GitHub

I guess most of you, developers, use any VCS , and I hope some of you use Git. Do you have any tip or trick how to get a download URL for a single file in a repository? ...
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Self-references in object literals / initializers

...To complete my above statement, since foo is beeing declared as a variable and c will only be evaluated at the time it is invoked, using foo inside c will work, as opposed to this (be careful though) – Bernardo Dal Corno Apr 19 '18 at 20:11 ...
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Really Cheap Command-Line Option Parsing in Ruby

...he bottom of this post before replying. People keep posting their new gems and libraries and whatnot, which clearly don't meet the requirements. ...
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Making macOS Installer Packages which are Developer ID ready

... Our example project has two build targets: HelloWorld.app and Helper.app. We make a component package for each and combine them into a product archive. A component package contains payload to be installed by the OS X Installer. Although a component package can be installed on ...
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How do HashTables deal with collisions?

...ll full then the hash table can increase the number of buckets that it has and then redistribute all the elements in the table. The hash function returns an integer and the hash table has to take the result of the hash function and mod it against the size of the table that way it can be sure it will...
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default select option as blank

...n't show up in the list anymore. Option 2 If you don't want to write CSS and expect the same behaviour of the solution above, just use: <option hidden disabled selected value> -- select an option -- </option> ...
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How do I tell CPAN to install all dependencies?

... automatic first-time CPAN configuration: perl -MCPAN -e 'my $c = "CPAN::HandleConfig"; $c->load(doit => 1, autoconfig => 1); $c->edit(prerequisites_policy => "follow"); $c->edit(build_requires_install_policy => "yes"); $c->commit' Or combine it with local::lib module for ...
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How can I get column names from a table in SQL Server?

... You can obtain this information and much, much more by querying the Information Schema views. This sample query: SELECT * FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME = N'Customers' Can be made over all these DB objects: CHECK_CONSTRAINTS COL...
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How do I include inline JavaScript in Haml?

...thJax. You can use the plain filter to keep HAML from parsing the script and throwing an illegal nesting error: %script{type: "text/x-mathjax-config"} :plain MathJax.Hub.Config({ tex2jax: { inlineMath: [["$","$"],["\\(","\\)"]] } }); ...
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PDOException SQLSTATE[HY000] [2002] No such file or directory

...basic) site to fortrabbit, but as soon as I connect to SSH to run some commands (such as php artisan migrate or php artisan db:seed ) I get an error message: ...