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Why there is no ForEach extension method on IEnumerable?
... One interesting thing to note about List<>.ForEach and Array.ForEach is that they are not actually using the foreach construct internally. They both use a plain for loop. Maybe it's a performance thing (diditwith.net/2006/10/05/PerformanceOfForeachVsListForEach.aspx). But given...
Intellij IDEA generate for-each/for keyboard shortcut
...Iterate (for..in)
itli Iterate over a List
itar Iterate elements of array
ritar Iterate elements of array in reverse order
There are probably many more, just lookup 'Live Templates' in help documentation.
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Java's L number (long) specification
...to the need to cast to bytes when using literal syntax for byte (or short) arrays. Quoting the example from the proposal:
MAJOR BENEFIT: Why is the platform
better if the proposal is adopted?
cruddy code like
byte[] stuff = { 0x00, 0x7F, (byte)0x80, (byte)0xFF};
can be recoded as...
Get the subdomain from a URL
...);
if (checkdnsrr($hostname, "MX")) return $hostname;
} while (array_shift($hostnameParts) !== null);
throw new DomainException("No MX record found");
}
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How to tell when UITableView has completed ReloadData?
...ve a race-condition. The solution is to make reloadDataCompletionBlock an array of blocks and iterate over them on execution and empty the array after that.
– Tyler Sheaffer
Nov 24 '17 at 7:24
...
Is there a “do … while” loop in Ruby?
...is code to let the user enter in names while the program stores them in an array until they enter an empty string (they must press enter after each name):
...
How to generate random SHA1 hash to use as ID in node.js?
...umber (default: 40)
function generateId(len = 40) {
var arr = new Uint8Array(len / 2);
window.crypto.getRandomValues(arr);
return Array.from(arr, byteToHex).join("");
}
console.log(generateId())
// "1e6ef8d5c851a3b5c5ad78f96dd086e4a77da800"
console.log(generateId(20))
// "d2180620...
Regexp Java for password validation
... I am trying to implement Regex on a password stored in a char array instead of a String because of security. But how does one apply regex to a char array?
– AgentM
Oct 8 '18 at 22:23
...
How to find the key of the largest value hash?
...
worth noting you get back a 2 element array with [key, value]
– justingordon
Jun 21 '14 at 2:01
6
...
Limits of Nat type in Shapeless
...illionAndOne]
^
This could be used to e.g. enforce same array size when doing bit operations on Array[Byte].
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