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How was the first compiler written?

I heard about the chicken and the egg and bootstrapping. I have a few questions. 6 Answers ...
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Why does typeof array with objects return “object” and not “array”? [duplicate]

Why is an array of objects considered an object, and not an array? For example: 4 Answers ...
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Can you target with css?

... BR generates a line-break and it is only a line-break. As this element has no content, there are only few styles that make sense to apply on it, like clear or position. You can set BR's border but you won't see it as it has no visual dimension. If yo...
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What is the difference between a weak reference and an unowned reference?

... Both weak and unowned references do not create a strong hold on the referred object (a.k.a. they don't increase the retain count in order to prevent ARC from deallocating the referred object). But why two keywords? This distinction has...
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How do I update a GitHub forked repository?

I recently forked a project and applied several fixes. I then created a pull request which was then accepted. 21 Answers ...
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Accessing localhost (xampp) from another computer over LAN network - how to?

...network at home. I have all my files on my desktop computer (192.168.1.56) and want to access localhost over there from another computer (192.168.1.2). ...
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setImmediate vs. nextTick

Node.js version 0.10 was released today and introduced setImmediate . The API changes documentation suggests using it when doing recursive nextTick calls. ...
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XmlSerializer: remove unnecessary xsi and xsd namespaces

... Since Dave asked for me to repeat my answer to Omitting all xsi and xsd namespaces when serializing an object in .NET, I have updated this post and repeated my answer here from the afore-mentioned link. The example used in this answer is the same example used for the other question. What ...
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What are database normal forms and can you give examples? [closed]

...imply normalization, which is a process of organizing columns (attributes) and tables (relations) to reduce data redundancy and improve data integrity. (as written on Wikipedia ). ...
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Why does GitHub recommend HTTPS over SSH?

... HTTPS because it is the easiest to set up on the widest range of networks and platforms, and by users who are new to all this. There is no inherent flaw in SSH (if there was they would disable it) -- in the links below, you will see that they still provide details about SSH connections too: HTTP...