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Should I use Vagrant or Docker for creating an isolated environment? [closed]

...I think Docker is what you want. Vagrant is a virtual machine manager. It allows you to script the virtual machine configuration as well as the provisioning. However, it is still a virtual machine depending on VirtualBox (or others) with a huge overhead. It requires you to have a hard drive file th...
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What is the single most influential book every programmer should read? [closed]

...tt Hargett How To Solve It by George Polya The Alchemist by Paulo Coelho Smalltalk-80: The Language and its Implementation Writing Secure Code (2nd Edition) by Michael Howard Introduction to Functional Programming by Philip Wadler and Richard Bird No Bugs! by David Thielen Rework by Jason Freid and...
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Pointers in Python?

...ur request is utterly impossible. Why ask for something impossible and totally different from the (possible) thing you actually want?! Maybe you don't realize how drastically different barenames and decorated names are. When you refer to a barename a, you're getting exactly the object a was last ...
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Adding information to an exception?

...essage + ' happens at %s' % arg1) bar('arg1') Traceback (most recent call last): File "test.py", line 13, in <module> bar('arg1') File "test.py", line 11, in bar raise type(e)(e.message + ' happens at %s' % arg1) IOError: Stuff happens at arg1 Update 1 Here's a slight modif...
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How do I implement __getattribute__ without an infinite recursion error?

I want to override access to one variable in a class, but return all others normally. How do I accomplish this with __getattribute__ ? ...
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What is the size of an enum in C?

...set of enum values, but I need each enum value to be 64 bits wide. If I recall correctly, an enum is generally the same size as an int; but I thought I read somewhere that (at least in GCC) the compiler can make the enum any width they need to be to hold their values. So, is it possible to have an e...
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Test for existence of nested JavaScript object key

...bj /*, level1, level2, ... levelN*/) { var args = Array.prototype.slice.call(arguments, 1); for (var i = 0; i < args.length; i++) { if (!obj || !obj.hasOwnProperty(args[i])) { return false; } obj = obj[args[i]]; } return true; } var test = {level1:{level2:{level3:'leve...
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Django: multiple models in one template using forms [closed]

...eparate project) OR creating a new Customer, then creating a Ticket and finally creating a Note assigned to the new ticket. ...
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SQL Server Index Naming Conventions [closed]

...ems that the primary key index is named PK_ and non-clustered indexes typically start with IX_. Are there any naming conventions beyond that for unique indexes? ...
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Can I specify multiple users for myself in .gitconfig?

... You can manually edit those config files with git config --edit and git config --global --edit. And in case you missed Abizern’s comment, a repository’s config file is at <repo-root>/.git/config. – Rory O'...