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C# Lambda expressions: Why should I use them?
I have quickly read over the Microsoft Lambda Expression documentation.
15 Answers
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IE10 renders in IE7 mode. How to force Standards mode?
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Internet Explorer makes the assumption that most webpages were written to target earlier versions of IE and looks at the doctype, meta tags and HTML to determine the best compatibility mode (sometimes incorrectly). Even with a HTML5 do...
JavaScript style for optional callbacks
...wder dodgy might be the wrong word, it's well defined but useless due to boxing and returning "object" 95% of the time.
– Raynos
Jul 22 '11 at 16:03
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Linq order by boolean
...s - which LINQ provider are you actually using?
Here's a LINQ to Objects example which does work:
using System;
using System.Linq;
public static class Test
{
public static void Main()
{
var data = new[]
{
new { x = false, y = "hello" },
new { x = tr...
C++ template constructor
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There is no way to explicitly specify the template arguments when calling a constructor template, so they have to be deduced through argument deduction. This is because if you say:
Foo<int> f = Foo<int>();
The <int> is the ...
What is the “assert” function?
...nly used during debugging to make the program fail more obviously if an unexpected condition occurs.
For example:
assert(length >= 0); // die if length is negative.
You can also add a more informative message to be displayed if it fails like so:
assert(length >= 0 && "Whoops, len...
How to insert newline in string literal?
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Well, simple options are:
string.Format:
string x = string.Format("first line{0}second line", Environment.NewLine);
String concatenation:
string x = "first line" + Environment.NewLine + "second line";
String interpolation (in C#6 and above):
string x = $"first line{Env...
static const vs #define
...c const vars than #define preprocessor? Or maybe it depends on the context?
11 Answers
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round() for float in C++
...ally better if you're going to do a lot of rounding; it's a bit more complex to implement though.
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How many GCC optimization levels are there?
... to the point of breaking standard compliance)
-Og (Optimize debugging experience. -Og enables optimizations that do not interfere with debugging. It should be the
optimization level of choice for the standard edit-compile-debug cycle, offering a reasonable level of optimization
wh...