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Most common C# bitwise operations on enums
For the life of me, I can't remember how to set, delete, toggle or test a bit in a bitfield. Either I'm unsure or I mix them up because I rarely need these. So a "bit-cheat-sheet" would be nice to have.
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MVC (Laravel) where to add logic
... Interesting and valid thoughts. But I'm curious - how do you unit-test your business logic if it is tied to models which are tied to Eloquent, which is tied to database?
– JustAMartin
Aug 12 '15 at 6:28
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Is there a MessageBox equivalent in WPF?
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In WPF it seems this code,
System.Windows.Forms.MessageBox.Show("Test");
is replaced with:
System.Windows.MessageBox.Show("Test");
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C# switch on type [duplicate]
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@YevgeniGrinberg I haven't tested this, but I'm certain that typeof(object) != typeof(MyType) even though MyType is a subclass of object.
– sparebytes
Sep 17 '13 at 16:21
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How to allow only one radio button to be checked?
... for all the radio buttons in a form.
i.e.,
<input type="radio" name="test" value="value1"> Value 1
<input type="radio" name="test" value="value2"> Value 2
<input type="radio" name="test" value="value3"> Value 3
Hope that would help.
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setting an environment variable in virtualenv
...es environment variables to get its configuration, but I use virtualenv to test my app locally first.
10 Answers
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How many socket connections can a web server handle?
...applications.
Update 2019-05-30
Here is an up to date comparison of the fastest HTTP libraries - https://www.techempower.com/benchmarks/#section=data-r16&hw=ph&test=plaintext
Test date: 2018-06-06
Hardware used: Dell R440 Xeon Gold + 10 GbE
The leader has ~7M plaintext reponses per second (...
Why does changing the returned variable in a finally block not change the return value?
... see in the output s is indeed changed but after the return.
public class Test {
public String s;
public String foo() {
try {
s = "dev";
return s;
} finally {
s = "override variable s";
System.out.println("Entry in finally Block");
}
}
public static ...
WPF OpenFileDialog with the MVVM pattern? [duplicate]
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{
string OpenFileDialog(string defaultPath);
//Other similar untestable IO operations
Stream OpenFile(string path);
}
In your application, you would provide a default implementation of this service. Here is how you would consume it.
public MyViewModel : ViewModel
{
private ...
How do I convert a float number to a whole number in JavaScript?
...= 3
float2int(-3.9) == -3
Performance comparison?
I've created a JSPerf test that compares performance between:
Math.floor(val)
val | 0 bitwise OR
~~val bitwise NOT
parseInt(val)
that only works with positive numbers. In this case you're safe to use bitwise operations well as Math.floor funct...