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How to vertically center a container in Bootstrap?

...rial, sans-serif; } WORKING DEMO. Also, to prevent unexpected issues in extra small screens, you can reset the height of the pseudo-element to auto or 0 or change its display type to none if needed so: @media (max-width: 768px) { .vertical-center:before { height: auto; /* Or */ di...
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How is “int* ptr = int()” value initialization not illegal?

...h C++11, now you want to use nullptr because it also tosses the benefit of extra compile-time checks into the mix. – Jamin Grey Feb 27 '13 at 1:07 3 ...
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ActiveRecord: size vs count

...many association, size will use the cached count directly, and not make an extra query at all. class Image < ActiveRecord::Base belongs_to :product, counter_cache: true end class Product < ActiveRecord::Base has_many :images end > product = Product.first # query, load product into m...
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When should I use a trailing slash in my URL?

...ile) when a directory is accessed, so /foo/ is /foo/index.html without the extra mess. Also, in the past, browsers would append / to the domain name, but they (Firefox, Chrome, Opera) have since changed to omit the / when accessing the homepage. – 0b10011 Mar 7...
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What is the best practice for dealing with passwords in git repositories?

...ld have. Often config values can be non obvious, like database connection strings and similar things. share | improve this answer | follow | ...
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When to use static classes in C# [duplicate]

...ery cheap operation in most languages, so speed is not an issue. Adding an extra line of code to the consumer is a low cost for laying the foundation of a much more maintainable solution in the future. And finally, if you want to avoid creating instances, simply create a singleton wrapper of your cl...
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Mechanisms for tracking DB schema changes [closed]

...d a pre-comment SVN hook that will disallow .sql files containing the mydb string, which is a sure sign that someone copy/pasted from phpMyAdmin without proper checking. share | improve this answer ...
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How to add additional fields to form before submit?

... you need]) function addDataToForm(form, data) { if(typeof form === 'string') { if(form[0] === '#') form = form.slice(1); form = document.getElementById(form); } var keys = Object.keys(data); var name; var value; var input; for (var i = 0; i < keys....
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Why does this method print 4?

...t execution if you'd prefer- static int cnt = 0; public static void main(String[] args) { try { main(args); } catch (Throwable ignore) { cnt++; try { System.out.println(cnt); } catch (Throwable t) { }...
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What is the difference between HTTP and REST?

...d a header info to every request. HTTP Methods supported by REST: GET: /string/someotherstring It is idempotent and should ideally return the same results every time a call is made PUT: Same like GET. Idempotent and is used to update resources. POST: should contain a url and body Used for cre...