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When should I use Arrow functions in ECMAScript 6?
...ken off quite a bit. ES6 will also ship a Promise object, which means even more anonymous functions. There is no going back for functional programming. In functional JavaScript, arrow functions are preferable over regular functions.
Take for instance this (particularly confusing) piece of code3:
f...
How do you do a case insensitive search using a pattern modifier using less?
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Following with less is SO much more useful than with tail. Especially logs with a lot of action.
– Svish
May 21 '14 at 10:31
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The most sophisticated way for creating comma-separated Strings from a Collection/Array/List?
... was written 11 years ago, but now there are far better options to do this more cleanly in a single line, both using only Java built-in classes or using a utility library. See other answers below.
Since strings are immutable, you may want to use the StringBuilder class if you're going to alter th...
How to get the current date without the time?
...DateTime using the Today property:
DateTime today = DateTime.Today;
or more generally, you can use the Date property. For example, if you wanted the UTC date you could use:
DateTime dateTime = DateTime.UtcNow.Date;
It's not very clear whether that's what you need or not though... if you're j...
Designing function f(f(n)) == -n
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Why shouldn't I use “Hungarian Notation”?
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std::wstring VS std::string
... using char are said "multibyte" (because each glyph is composed of one or more chars), while applications using wchar_t are said "widechar" (because each glyph is composed of one or two wchar_t. See MultiByteToWideChar and WideCharToMultiByte Win32 conversion API for more info.
Thus, if you work o...
How to pattern match using regular expression in Scala?
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Find all files in a directory with extension .txt in Python
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@ghostdog74: In my opinion it would more appropriate to write for file in f than for for files in f since what is in the variable is a single filename. Even better would be to change the f to files and then the for loops could become for file in files.
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Method Overloading for null argument
...cific one.
Since Object is the super-type of char[], the array version is more specific than the Object-version. So if only those two methods exist, the char[] version will be chosen.
When both the char[] and Integer versions are available, then both of them are more specific than Object but none ...