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IEnumerable vs List - What to Use? How do they work?
...an implementation of that behavior. When you use IEnumerable, you give the compiler a chance to defer work until later, possibly optimizing along the way. If you use ToList() you force the compiler to reify the results right away.
Whenever I'm "stacking" LINQ expressions, I use IEnumerable, because...
How can I create a UIColor from a hex string?
...hex format string to an integer for use with this macro, see stackoverflow.com/questions/3648411/….
– devios1
Aug 14 '14 at 21:18
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Is there a way to define a min and max value for EditText in Android?
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First make this class :
package com.test;
import android.text.InputFilter;
import android.text.Spanned;
public class InputFilterMinMax implements InputFilter {
private int min, max;
public InputFilterMinMax(int min, int max) {
this.min =...
What is Turing Complete?
What does the expression "Turing Complete" mean?
14 Answers
14
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How to convert a string to an integer in JavaScript?
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jsperf.com/performance-of-parseint/29 , hy @jedierikb i was edit jsperf link. Adding '4'>>0 and '4'>>>0.
– emaniacs
Jan 17 '14 at 10:41
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Error in Swift class: Property not initialized at super.init call
... Swift Programming Language, which answers your question:
“Swift’s compiler performs four helpful safety-checks to make sure
that two-phase initialization is completed without error:”
Safety check 1 “A designated initializer must ensure that all of the
“properties introduced b...
Difference between core and processor
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A core is usually the basic computation unit of the CPU - it can run a single program context (or multiple ones if it supports hardware threads such as hyperthreading on Intel CPUs), maintaining the correct program state, registers, and correct executio...
Function passed as template argument
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See it live
The problem with this is that if it makes it tricky for the compiler to inline the call to add2, since all the compiler knows is that a function pointer type void (*)(int &) is being passed to doOperation. (But add3, being a functor, can be inlined easily. Here, the compiler knows...
Fastest way to check if a string is JSON in PHP?
...any other literal can potentially greatly speed this one up when many of incoming strings are expected to be non-JSON.
– Oleg V. Volkov
Sep 25 '12 at 17:03
20
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Calculate business days
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Here's a function from the user comments on the date() function page in the PHP manual. It's an improvement of an earlier function in the comments that adds support for leap years.
Enter the starting and ending dates, along with an array of any holidays th...