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When would you use a WeakHashMap or a WeakReference?

...mplementation of so I'm trying to figure out what the use case for them is and how the implementation would work. When have you needed to use a WeakHashMap or WeakReference and how was it used? ...
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How do I make the first letter of a string uppercase in JavaScript?

...ility (hard to find out where the function is being added to the prototype and could cause conflicts if other code uses the same name / a browser adds a native function with that same name in future). ...and then, there is so much more to this question when you consider internationalisation, as thi...
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Call Go functions from C

...hould make things a little clearer. package foo // extern int goCallbackHandler(int, int); // // static int doAdd(int a, int b) { // return goCallbackHandler(a, b); // } import "C" //export goCallbackHandler func goCallbackHandler(a, b C.int) C.int { return a + b } // This is the public ...
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How to insert newline in string literal?

...line" + Environment.NewLine + "second line"; String interpolation (in C#6 and above): string x = $"first line{Environment.NewLine}second line"; You could also use \n everywhere, and replace: string x = "first line\nsecond line\nthird line".Replace("\n", ...
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How can I properly handle 404 in ASP.NET MVC?

.../shay/archive/2009/03/06/real-world-error-hadnling-in-asp-net-mvc-rc2.aspx and works in ASP.net MVC 1.0 as well Here's how I handle http exceptions: protected void Application_Error(object sender, EventArgs e) { Exception exception = Server.GetLastError(); // Log the exception. ILogger ...
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When to use a key/value store such as Redis instead/along side of a SQL database?

...real-time data, such as session store, state database, statistics, caching and its advanced data structures offers versatility to many other scenarios. Redis, however, isn't NoSQL replacement for classic relational databases since it doesn't support many standard features of RDBMS world such as que...
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How do I make and use a Queue in Objective-C?

... @end Just import the .h file wherever you want to use your new methods, and call them like you would any other NSMutableArray methods. Good luck and Keep on Coding! share | improve this answer ...
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How to debug a bash script? [closed]

...s, for x.) Also, shells generally provide options '-n' for 'no execution' and '-v' for 'verbose' mode; you can use these in combination to see whether the shell thinks it could execute your script — occasionally useful if you have an unbalanced quote somewhere. There is contention that the '-x...
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Convert a PHP script into a stand-alone windows executable

... task. For this I have written a small PHP script which I run from the command line using PHP-CLI. Now I want to hand over this script to someone but I do not want to: ...
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Why CancellationToken is separate from CancellationTokenSource?

...ct was introduced in addition to CancellationTokenSource class. I understand how the API is to be used, but want to also understand why it is designed that way. ...