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Using a dispatch_once singleton model in Swift
...tl;dr: Use the class constant approach if you are using Swift 1.2 or above and the nested struct approach if you need to support earlier versions.
From my experience with Swift there are three approaches to implement the Singleton pattern that support lazy initialization and thread safety.
Class c...
How to detect my browser version and operating system using JavaScript?
I have tried using the code below but it only display results in Chrome and Mozilla not working in IE6.
10 Answers
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Why should I use version control? [closed]
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Have you ever:
Made a change to code, realised it was a mistake and wanted to revert back?
Lost code or had a backup that was too old?
Had to maintain multiple versions of a product?
Wanted to see the difference between two (or more) versions of your code?
Wanted to prove that a particula...
Using TortoiseSVN via the command line
I want to use commandline SVN options. I use TortoiseSVN, and I run several commands and I get the following error.
12 Answ...
How to add calendar events in Android?
I'm just getting up to speed on Android, and today in a project meeting someone said that Android has no native calendar app so users just use whatever calendar app they like.
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What is the correct answer for cout
...en updated. In particular:
In a shift operator expression E1<<E2 and E1>>E2, every value computation and side-effect of E1 is sequenced before every value computation and side effect of E2.
Which means that it requires the code to produce result b, which outputs 01.
See P0145R3 Re...
Installing PDO driver on MySQL Linux server
...long ago, to change my code to use PDO in order to parameterize my queries and safely save HTML in the database.
6 Answers
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Import Maven dependencies in IntelliJ IDEA
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IntelliJ should download and add all your dependencies to the project's classpath automatically as long as your POM is compliant and all the dependencies are available.
When importing Maven projects into IntelliJ an information box usually comes up ...
What is the difference between inversedBy and mappedBy?
I am developing my application using Zend Framework 2 and Doctrine 2.
4 Answers
4
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Excel: last character/string match in a string
... position of a character/string's last occurrence in a string. Search and find both work left-to-right so I can't think how to apply without lengthy recursive algorithm. And this solution now seems obsolete.
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