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Is mathematics necessary for programming? [closed]
...-ordinate geometry to put graphics on the screen.
I eventually went on to complete an honours degree in Pure Mathematics with a minor in Computer Science. Although I focused mainly on analysis, I also studied quite a bit of discrete maths, number theory, logic and computability theory. Apart from b...
Retaining file permissions with Git
... edited May 23 '17 at 12:26
Community♦
111 silver badge
answered Jul 8 '10 at 21:28
VonCVonC
...
Why '&&' and not '&'?
...(CanExecute() && CanSave())
{
}
If CanExecute returns false, the complete expression will be false, regardless of the return value of CanSave. Because of this, CanSave is not executed.
This is very handy in the following circumstance:
string value;
if(dict.TryGetValue(key, out value) &am...
Why can't we have static method in a (non-static) inner class?
...n instance of its outer class and I know that it's kinda useless that we become able to declare static members within an inner class but I am still asking why not an inner class can declare static members?
– Kareem
Sep 28 '13 at 18:39
...
How to solve error “Missing `secret_key_base` for 'production' environment” (Rails 4.1)
...et_key_base: <%= ENV["SECRET_KEY_BASE"] %>
This means that Rails recommends you to use an environment variable for the secret_key_base in your production server. In order to solve this error you should follow these steps to create an environment variable for Linux (in my case Ubuntu) in your...
How should I unit test threaded code?
... this. I'm working on a project that is inherently multithreaded. Events come in from the operating system and I have to process them concurrently.
The simplest way to deal with testing complex, multithreaded application code is this: If its too complex to test, you're doing it wrong. If you ...
#pragma once vs include guards? [duplicate]
I'm working on a codebase that is known to only run on windows and be compiled under Visual Studio (it integrates tightly with excel so it's not going anywhere). I'm wondering if I should go with the traditional include guards or use #pragma once for our code. I would think letting the compiler de...
How can I declare and use Boolean variables in a shell script?
...l not to fall off!'
fi
Original Answer
Caveats: https://stackoverflow.com/a/21210966/89391
the_world_is_flat=true
# ...do something interesting...
if $the_world_is_flat ; then
echo 'Be careful not to fall off!'
fi
From: Using boolean variables in Bash
The reason the original answer is i...
Making WPF applications look Metro-styled, even in Windows 7? (Window Chrome / Theming / Theme)
...public class MyWindow : Window
{
public MyWindow()
{
this.CommandBindings.Add(new CommandBinding(SystemCommands.CloseWindowCommand, this.OnCloseWindow));
this.CommandBindings.Add(new CommandBinding(SystemCommands.MaximizeWindowCommand, this.OnMaximizeWindow, this.OnCanResize...
Create the perfect JPA entity [closed]
...write this down for personal use.
I would not mind however for anyone to comment on it or to tell me where I'm wrong.
4 A...