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Set the value of a variable with the result of a command in a Windows batch file
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What is the curiously recurring template pattern (CRTP)?
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};
template <class T>
T* Singleton<T>::p = nullptr;
Now, in order to make an arbitrary class A a singleton you should do this
class A: public Singleton<A>
{
//Rest of functionality for class A
};
So you see? The singleton template assumes that its specialization for any ty...
How to join strings in Elixir?
... You should use as much of the Elixir language as you can in order to demonstrate to potential employers that you know it. So I'd use all of the solutions above in the same file.
– rodmclaughlin
Jun 3 '18 at 7:47
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Format number to 2 decimal places
...://www.w3resource.com/mysql/mathematical-functions/mysql-truncate-function.php
With rounding:
ROUND(0.166, 2)
-- will be evaluated to 0.17
ROUND(0.164, 2)
-- will be evaluated to 0.16
docs: http://www.w3resource.com/mysql/mathematical-functions/mysql-round-function.php
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ValidateAntiForgeryToken purpose, explanation and example
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Android: How can I validate EditText input?
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In order to reduce the verbosity of the validation logic I have authored a library for Android. It takes care of most of the day to day validations using Annotations and built-in rules. There are constraints such as @TextRule, @...
Writing Unicode text to a text file?
...al, use UTF-8 for writing to files (we don't even have to worry about byte-order with utf-8).
encoding = 'utf-8'
utf-8 is the most modern and universally usable encoding - it works in all web browsers, most text-editors (see your settings if you have issues) and most terminals/shells.
On Windows...
What are Scala context and view bounds?
... view bounds in the standard library (before Scala 2.8.0, anyway), is with Ordered, like this:
def f[A <% Ordered[A]](a: A, b: A) = if (a < b) a else b
Because one can convert A into an Ordered[A], and because Ordered[A] defines the method <(other: A): Boolean, I can use the expression a...
How to concatenate and minify multiple CSS and JavaScript files with Grunt.js (0.3.x)
...n array to explicitly define which files you want to concatenate and their order, or change the structure of your project.
If doing the latter, you could put all your sources under ./src and your built files under ./dest
src
├── css
│ ├── 1.css
│ ├── 2.css
│ ...
Python Script execute commands in Terminal
...ything. It's way safer. subprocess.call() will get you a nice interface in order to replace the simple call form.
– Jorge Vargas
Mar 24 '11 at 20:35
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