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Can You Get A Users Local LAN IP Address Via JavaScript?
I know the initial reaction to this question is "no" and "it can't be done" and "you shouldn't need it, you are doing something wrong". What I'm trying to do is get the users LAN IP address, and display it on the web page. Why? Because that's what the page I'm working on is all about, showing as muc...
How can I create directory tree in C++/Linux?
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With C++17 or later, there's the standard header <filesystem> with
function
std::filesystem::create_directories
which should be used in modern C++ programs.
The C++ standard functions do not have the POSIX-specific expli...
try {} without catch {} possible in JavaScript?
I have a number of functions which either return something or throw an error. In a main function, I call each of these, and would like to return the value returned by each function, or go on to the second function if the first functions throws an error.
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adding multiple entries to a HashMap at once in one statement
I need to initialize a constant HashMap and would like to do it in one line statement. Avoiding sth like this:
9 Answers
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Sync data between Android App and webserver [closed]
...ice.
Persistent Storage:
This is how your phone actually stores the data it receives from the webserver. One possible method for accomplishing this is writing your own custom ContentProvider backed by a Sqlite database. A decent tutorial for a content provider can be found here: http://thinkandroi...
Display an array in a readable/hierarchical format
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Ah, in my case I was working with a multidimensional array. I haven't left a comment before so when I saw no one else had pointed this out I thought it might be a perfect opportunity!
– Alesana
Dec 6 '16 at 20:13
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How to force cp to overwrite without confirmation
I'm trying to use the cp command and force an overwrite.
16 Answers
16
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John Carmack's Unusual Fast Inverse Square Root (Quake III)
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FYI. Carmack didn't write it. Terje Mathisen and Gary Tarolli both take partial (and very modest) credit for it, as well as crediting some other sources.
How the mythical constant was derived is something of a mystery.
To quote Gary Tarolli:
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Why rename synthesized properties in iOS with leading underscores? [duplicate]
...project in Xcode 4, the boilerplate code adds an underscore character when it synthesizes the ivars in the implementation file as:
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In Javascript/jQuery what does (e) mean?
...e been learning how to make functions. A lot of functions have cropped up with (e) in brackets. Let me show you what I mean:
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