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Finding # occurrences of a character in a string in Ruby
...ng in Ruby
scan returns all the occurrences of a string in a string as an array, so
"Melanie is a noob".scan(/a/)
will return
["a","a"]
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f...
How to $http Synchronous call with AngularJS
...asOwnProperty(key)) {
const value = data[key];
if (Array.isArray(value)) {
for (const val of value) {
const $input = createInput(`${key}[]`, val);
$form.append($input);
}
}
else {
...
How to check if NSString begins with a certain character
... instead of hasPrefix:@"word" you check for multiple values stored in an NSArray? For example: NSArray *words = [NSArray arrayWithObjects:@"foo",@"bar",@"baz",nil]; ?
– adamdehaven
Aug 2 '13 at 14:27
...
Explaining Apache ZooKeeper
...nodes (think of them as directories). Each znode may be enriched by a byte array, which stores data. Also, each znode may have other znodes under it, practically forming an internal directory system.
Sequential znodes
Interestingly, the name of a znode can be sequential, meaning that the name the...
Python list sort in descending order
...
This will give you a sorted version of the array.
sorted(timestamp, reverse=True)
If you want to sort in-place:
timestamp.sort(reverse=True)
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REST HTTP status codes for failed validation or invalid duplicate
...ptions:
"error" object in JSON result if something goes wrong
Empty JSON array/object if no record found
A bool result/success flag in combination with previous options for a better handling.
Also, some internet providers may intercept your requests and return you a 404 HTTP code. This does not ...
Is Java Regex Thread Safe?
...hows a bunch of member variables including the text that is being matched, arrays for groups, a few indexes for maintain location and a few booleans for other state. This all points to a stateful Matcher that would not behave well if accessed by multiple Threads. So does the JavaDoc:
Instance...
URL Encoding using C#
... {
return Uri.HexEscape(unencodedString.ToCharArray()[0]);
}
catch
{
return "[OoR]";
}
}));
char[] charactersToEnc...
How to create strings containing double quotes in Excel formulas?
...nk you! This totally helped me! I was struggling to properly format a JSON array in my cells.
– Brian C
Dec 30 '15 at 21:38
1
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Finding all possible permutations of a given string in python
... for i in range(step, len(string)):
# copy the string (store as array)
string_copy = [character for character in string]
# swap the current index with the step
string_copy[step], string_copy[i] = string_copy[i], string_copy[step]
# recurse on the portion ...