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Get nth character of a string in Swift programming language
How can I get the nth character of a string? I tried bracket( [] ) accessor with no luck.
45 Answers
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Lost my schema.rb! Can it be regenerated?
... answered Oct 17 '16 at 2:18
R.ChaR.Cha
63566 silver badges1212 bronze badges
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Reduce, fold or scan (Left/Right)?
...the collection (from A to C):
val abc = List("A", "B", "C")
def add(res: String, x: String) = {
println(s"op: $res + $x = ${res + x}")
res + x
}
abc.reduceLeft(add)
// op: A + B = AB
// op: AB + C = ABC // accumulates value AB in *first* operator arg `res`
// res: String = ABC
abc.foldLe...
How To Check If A Key in **kwargs Exists?
... can see, if prefix is not contained in kwargs, then the default '' (empty string) is being stored in the local prefix variable. If it is given, then its value is being used.
This is generally a compact and readable recipe for writing wrappers for any kind of function: Always just pass-through argu...
Using Panel or PlaceHolder
...er HTML tags.
The Panel does have outer HTML tags but does have some cool extra properties.
BackImageUrl: Gets/Sets the
background image's URL for the panel
HorizontalAlign: Gets/Sets the
horizontal alignment of the parent's
contents
Wrap: Gets/Sets whether the
panel's content wraps
There is a...
What is the minimum I have to do to create an RPM file?
...ion: 1.0
Release: 1
Summary: Short description (first char has to be uppercase)
License: GPL
URL: www. your_website/
BuildRequires: package_required >= (or ==, or <=) 1.0.3 (for example)
%description
Description with almost 79 characters (first char h...
HTML+CSS: How to force div contents to stay in one line?
...ple of things here, you need overflow: hidden if you don't want to see the extra characters poking out into your layout.
Also, as mentioned, you could use white-space: pre (see EnderMB) keeping in mind that pre will not collapse white space whereas white-space: nowrap will.
...
Check if table exists in SQL Server
...onGuralnek so, instead of following a simple and portable standard, add an extra piece of cryptic info?
– defines
May 15 '12 at 14:42
25
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Why Collections.sort uses merge sort instead of quicksort?
...ast stable sort that guarantees O(n log n)
performance and requires O(n) extra space. In its day (it was written
in 1997 by Joshua Bloch), it was a fine choice, but today but we can
do much better.
Since 2003, Python's list sort has used an algorithm known as timsort
(after Tim Peters,...
Why does the month argument range from 0 to 11 in JavaScript's Date constructor?
... probably because no one in their right mind would ever create an array of string names for days (e.g., { "first", "second", "third", ..., "twenty-seventh", ... }) and try to index it by tm_mday. Then again, maybe they just saw the absolute utility in making off by one errors a regular occurrence.
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