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Loop through an array in JavaScript
...o it's safe to use them.
And with the ES6 arrow function syntax, it's even more succinct:
array.forEach(item => console.log(item));
Arrow functions are also widely implemented unless you plan to support ancient platforms (e.g., IE11); you are also safe to go.
Pros
Very short and succinct.
Decla...
Perl build, unit testing, code coverage: A complete working example
...ctiveState ActivePerl v5.10.0 on a Windows XP Pro PC, Module::Build, Test::More, Devel::Cover)
Start out with a directory for your Perl project and then create a "lib" directory and a "t" directory under your project directory:
HelloPerlBuildWorld
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|----------> lib
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...
Maximum and Minimum values for ints
...bits in a word will be math.log2(sys.maxsize * 2 + 2). See this answer for more information.
Python 2
In Python 2, the maximum value for plain int values is available as sys.maxint:
>>> sys.maxint
9223372036854775807
You can calculate the minimum value with -sys.maxint - 1 as shown her...
Explain the encapsulated anonymous function syntax
...n this case, the one that is available is the one that alerts "false". For more info, read you don't know JS
– Saurabh Misra
Mar 7 '18 at 10:29
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How can Xcode 6 adaptive UIs be backwards-compatible with iOS 7 and iOS 6?
...t-Compact is not exported for iOS 7; Compact-Regular is. See my answer for more details.
– Dave DeLong
Sep 11 '14 at 19:26
2
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Is there a way to get rid of accents and convert a whole string to regular letters?
...r.normalize(string, Normalizer.Form.NFD);
// or Normalizer.Form.NFKD for a more "compatable" deconstruction
This will separate all of the accent marks from the characters. Then, you just need to compare each character against being a letter and throw out the ones that aren't.
string = string.re...
In Python, how do I determine if an object is iterable?
...ter() in our code as well for this purpose, but I've lately started to get more and more annoyed by objects which only have __getitem__ being considered iterable. There are valid reasons to have __getitem__ in a non-iterable object and with them the above code doesn't work well. As a real life examp...
python max function using 'key' and lambda expression
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With a single iterable argument, return its largest item. With two or
more arguments, return the largest argument.
So, it simply returns the object that is the largest.
How does key work?
By default in Python 2 key compares items based on a set of rules based on the type of the objects (f...
Use RSA private key to generate public key?
...tracted from the private key file, not calculated. See my answer below for more details.
– golem
Jun 4 '17 at 17:27
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show 12 more comments
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Fastest way to check if string contains only digits
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@Keith IsDigit returns true for about three-hundred more characters. Including full width decimal digits ０１２３... (common in China and Japan) and digits from other cultures e.g. ০১২௧௨௩௪꘤꘥꘦꘧꘨ and plenty more.
– CodesInChaos
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