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What is the difference between `let` and `var` in swift?

... names, including Unicode characters: let ???????? = "dogcow" Excerpts From: Apple Inc. “The Swift Programming Language.” iBooks. https://itunes.apple.com/WebObjects/MZStore.woa/wa/viewBook?id=881256329 EDIT Because comments asking for adding other facts to the answer, converting this to c...
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“register” keyword in C?

...it, the compiler is required to prevent the address of a register variable from being taken; this is the only mandatory effect of the register keyword. Even this is sufficient to improve optimizations, because it becomes trivial to tell that the variable can only be modified within this function. ...
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OOP vs Functional Programming vs Procedural [closed]

...problems. In a purely procedural style, data tends to be highly decoupled from the functions that operate on it. In an object oriented style, data tends to carry with it a collection of functions. In a functional style, data and functions tend toward having more in common with each other (as in L...
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Elements order in a “for (… in …)” loop

..... is implementation dependent. However, specification is quite different from implementation. All modern implementations of ECMAScript iterate through object properties in the order in which they were defined. Because of this the Chrome team has deemed this to be a bug and will be fixing it. All ...
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Using Case/Switch and GetType to determine the object [duplicate]

...very early (unless you throw an exception that will stop the other methods from calling, but still very bad usage) – bigworld12 Nov 21 '16 at 15:25
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Detect if Android device has Internet connection

... @varunbhardwaj There should be some URI you can hit from your web services. The first thing we request when our app starts up is a bootstrap file that contains various configuration information, that allows us to change various parameters server-side. Something like that can ...
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How to encode a URL in Swift [duplicate]

...(Section 5.1), apparently because they fail to distinguish query data from path data when looking for hierarchical separators. However, as query components are often used to carry identifying information in the form of "key=value" pairs and one frequently used value is a referenc...
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Is it feasible to do (serious) web development in Lisp? [closed]

... as a stand-alone server. Various HTML generation solutions are available, from PHP-style templates to Lisp macro hacks to XSLT. Just take your pick. HTML-TEMPLATE is one example. Closure XML is available for XML parsing, serialization, XPath 1.0, XSLT 1.0. There is also Closure HTML for HTML tag ...
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How to set Java environment path in Ubuntu

... perfect! thank you. NB: You might want to remove the default openJDK from your system as it appears first in the global path. So after the above script is loaded, you will only pic-up "javac" not java, because of the default openjk-jre. ~sudo apt-get remove openjdk-*~ – ...
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Is there a way to provide named parameters in a function call in JavaScript?

...not be cross-browser compatible. The idea is to parse the parameter names from the string representation of the function so that you can associate the properties of an object with the corresponding parameter. A function call could then look like func(a, b, {someArg: ..., someOtherArg: ...}); wh...