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String length in bytes in JavaScript
...te sequence, or a byte whose first hex digit is C, D, E, or F. The second and subsequent bytes are the ones whose first two bits are 10. Those are the extra bytes you want to count in UTF-8.
The table in wikipedia makes it clearer
Bits Last code point Byte 1 Byte 2 Byte ...
C++ performance challenge: integer to std::string conversion
...e very fast, can take 100 clockticks when linking CRT as a static library, and as much as 300 clockticks when linking as a DLL.
For the same reason, returning by reference is better because it avoids an assignment, a constructor and a destructor.
...
How to get the name of enumeration value in Swift?
...
As of Xcode 7 beta 5 (Swift version 2) you can now print type names and enum cases by default using print(_:), or convert to String using String's init(_:) initializer or string interpolation syntax. So for your example:
enum City: Int {
case Melbourne = 1, Chelyabinsk, Bursa
}
let city ...
What is PECS (Producer Extends Consumer Super)?
I came across PECS (short for Producer extends and Consumer super ) while reading up on generics.
14 Answers
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Identify duplicates in a List
... Why do you have setToReturn? Can you not just use set1.add(yourInt) and return set1?
– Phil
Sep 14 '11 at 13:59
3
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How to rename items in values() in Django?
...May 15 '12 at 10:45
Daniel RosemanDaniel Roseman
521k5151 gold badges699699 silver badges746746 bronze badges
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How do you automatically set text box to Uppercase?
...
It is also not a good idea to have the spaces between the attribute name and the value...
<input type="text" class="normal"
name="Name" size="20" maxlength="20"
style="text-transform:uppercase" />
<img src="../images/tickmark.gif" border="0" />
Please note this tran...
Pick a random value from an enum?
...esult of values() because each call copies an array. Also, don't create a Random every time. Keep one. Other than that what you're doing is fine. So:
public enum Letter {
A,
B,
C,
//...
private static final List<Letter> VALUES =
Collections.unmodifiableList(Arrays.asList(values...
How do you convert a DataTable into a generic list?
...ET 3.5, you can use DataTableExtensions.AsEnumerable (an extension method) and then if you really need a List<DataRow> instead of just IEnumerable<DataRow> you can call Enumerable.ToList:
IEnumerable<DataRow> sequence = dt.AsEnumerable();
or
using System.Linq;
...
List<DataR...
Why do assignment statements return a value?
...
To my understanding, assignment s = "Hello"; should only cause "Hello" to be assigned to s, but the operation shouldn’t return any value.
Your understanding is 100% incorrect. Can you explain why you believe this false thing?
What...