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PHP - Get bool to echo false when false
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While this is the simplest way to do this, running an array through print_r that contains boolean values, those values will show blank unless you previously run the array through a loop that swaps them out, so if you're just trying to debug or log, it becomes a giant pain in the...
sql ORDER BY multiple values in specific order?
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I found a much cleaner solution for this:
ORDER BY array_position(ARRAY['f', 'p', 'i', 'a']::varchar[], x_field)
Note: array_position needs Postgres v9.5 or higher.
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Creating a byte array from a stream
What is the prefered method for creating a byte array from an input stream?
16 Answers
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Google Authenticator implementation in Python
...nd TOTP to write this script.
import hmac, base64, struct, hashlib, time, array
def Truncate(hmac_sha1):
"""
Truncate represents the function that converts an HMAC-SHA-1
value into an HOTP value as defined in Section 5.3.
http://tools.ietf.org/html/rfc4226#section-5.3
"""
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How to perform case-insensitive sorting in JavaScript?
I have an array of strings I need to sort in JavaScript, but in a case-insensitive way. How to perform this?
15 Answers
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Swift: declare an empty dictionary
...to create an empty dictionary one should use [:] same as while declaring array as [] :
18 Answers
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A better similarity ranking algorithm for variable length strings
...ng>();
// Tokenize the string and put the tokens/words into an array
string[] Words = Regex.Split(str, @"\s");
// For each word
for (int w = 0; w < Words.Length; w++)
{
if (!string.IsNullOrEmpty(Words[w]))
{
// F...
How to use split?
...a native string method.
If you use .split() on a string, then you get an array back with the substrings:
var str = 'something -- something_else';
var substr = str.split(' -- ');
// substr[0] contains "something"
// substr[1] contains "something_else"
If this value is in some field you could als...
How to get multiple select box values using jQuery?
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Using the .val() function on a multi-select list will return an array of the selected values:
var selectedValues = $('#multipleSelect').val();
and in your html:
<select id="multipleSelect" multiple="multiple">
<option value="1">Text 1</option>
<option valu...
How to check null objects in jQuery
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The lookup function returns an array of matching elements. You could check if the length is zero. Note the change to only look up the elements once and reuse the results as needed.
var elem = $("#btext" + i);
if (elem.length != 0) {
elem.text("Branch...