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What values should I use for CFBundleVersion and CFBundleShortVersionString?
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Think of it this way: The "short version" (CFBundleShortVersionString) is the public version number. The "version" (CFBundleVersion) is more of an internal version number that could change far more frequently than the public "short version". Personally I...
What does the 'static' keyword do in a class?
...static field exists[1] even if you create a million instances of the class or you don't create any. It will be shared by all instances.
Since static methods also do not belong to a specific instance, they can't refer to instance members. In the example given, main does not know which instance of th...
Detect IE version (prior to v9) in JavaScript
I want to bounce users of our web site to an error page if they're using a version of Internet Explorer prior to v9. It's just not worth our time and money to support IE pre-v9 . Users of all other non-IE browsers are fine and shouldn't be bounced. Here's the proposed code:
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Swift and mutating struct
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The mutability attribute is marked on a storage (constant or variable), not a type. You can think struct has two modes: mutable and immutable. If you assign a struct value to an immutable storage (we call it let or constant in Swift) the value becomes immutable mode...
What is the difference between Serialization and Marshaling?
...don't understand how it differs from Serialization. Aren't they both transforming objects into series of bits?
12 Answers
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How to read a text file into a string variable and strip newlines?
...licitly close the file, that will then be delayed until the garbage collector runs or the program terminates. The 'with' statement usually encapsulates some setup/teardown open/close actions.
– sleeplessnerd
Oct 18 '13 at 13:38
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How to configure port for a Spring Boot application
How do I configure the TCP/IP port listened on by a Spring Boot application, so it does not use the default port of 8080.
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Difference between variable declaration syntaxes in Javascript (including global variables)?
...ually big ones.
There's a fourth way, and as of ES2015 (ES6) there's two more. I've added the fourth way at the end, but inserted the ES2015 ways after #1 (you'll see why), so we have:
var a = 0; // 1
let a = 0; // 1.1 (new with ES2015)
const a = 0; // 1.2 (new with ES2015)
a = 0; ...
Count occurrences of a char in a string using Bash
... print the number of resulting fields minus 1.
If your shell does not support the <<< operator, use echo:
echo "${string}" | awk -F"${char}" '{print NF-1}'
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What's the difference between .bashrc, .bash_profile, and .environment?
... of different *nix-based systems of the years, and it seems like every flavor of Bash I use has a different algorithm for deciding which startup scripts to run. For the purposes of tasks like setting up environment variables and aliases and printing startup messages (e.g. MOTDs), which startup scri...