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Why does the arrow (->) operator in C exist?
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I'll interpret your question as two questions: 1) why -> even exists, and 2) why . does not automatically dereference the pointer. Answers to both questions have historical roots.
Why does -> even exist?
In one of the very first versions of C language (which I will refer as CRM for "C Refe...
How to change legend title in ggplot
I have the following plot like below.
It was created with this command:
12 Answers
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How to increase the maximum number of opened editors in IntelliJ?
I am building a grails-app with IntelliJ 9.0 and I am a huge fan of the CTR+TAB shortcut that switches between active editors.
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How to make Twitter Bootstrap tooltips have multiple lines?
...s tooltip plugin. How come multiline tooltips only work with <br> and not \n ? I prefer that there is not any HTML in my links’ title attributes.
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wildcard ssl on sub-subdomain [closed]
we have wildcard ssl certificate for *.domain.com, and have a website with sub1.sub2.domain.com
3 Answers
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How do I horizontally center a span element inside a div
I am trying to center the two links 'view website' and 'view project' inside the surrounding div. Can someone point out what I need to do to make this work?
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What does the ng stand for in Angular.js directives
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The prefix ng stands for "Angular;" all of the built-in directives that ship with Angular use that prefix. Similarly, it is recommended that you do not use the ng prefix on your own directives in order to avoid possible name collisions in fu...
Does constexpr imply inline?
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Yes ([dcl.constexpr], §7.1.5/2 in the C++11 standard): "constexpr functions and constexpr constructors are implicitly inline (7.1.2)."
Note, however, that the inline specifier really has very little (if any) effect upon whether a compiler is likely to expand a function...
How to compare types
...pun not intended) with another type in C#?
I mean, I've a Type typeField and I want to know if it is System.String , System.DateTime , etc., but typeField.Equals(System.String) doesn't work.
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Add a reference column migration in Rails 4
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Rails 4.x
When you already have users and uploads tables and wish to add a new relationship between them.
All you need to do is: just generate a migration using the following command:
rails g migration AddUserToUploads user:references
Which will create a migr...