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Function overloading in Javascript - Best practices
...l just make your code slow and you have the fun of Arrays, nulls, Objects, etc.
What most developers do is tack on an object as the last argument to their methods. This object can hold anything.
function foo(a, b, opts) {
// ...
if (opts['test']) { } //if test param exists, do something..
}...
Long list of if statements in Java
...() implements Command {
void exec() {
// ...
}
}
// etc etc
then build a Map<String,Command> object and populate it with Command instances:
commandMap.put("A", new CommandA());
commandMap.put("B", new CommandB());
then you can replace your if/else if chain with:
co...
How to check whether a string is a valid HTTP URL?
...and Uri.TryCreate methods, but they seem to return true for file paths etc.
9 Answers
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Execute code when Django starts ONCE only?
...but that is because runserver has some tricks to validate the models first etc ... normal deployments or even when runserver auto reloads, this is only executed once.
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Should I avoid the use of set(Preferred|Maximum|Minimum)Size methods in Java Swing?
...ld("Phone:");
addField("Email Id:");
KeyboardFocusManager.getCurrentKeyboardFocusManager()
.addPropertyChangeListener("permanentFocusOwner",
new FocusDrivenScroller(panel));
// Show half the fields
sp.setVerticalScrollBarPolicy(JScrollPane.VERT...
Convert RGB to RGBA over white
...u can solve:
a = (x - x')/(255 - x') x' = (x - 255 a)/(1 - a)
Etc. In real values this has infinitely many solutions, just plug in any real number a, but the problem is to find a number for which the discretization error is minimal.
...
How can I count all the lines of code in a directory recursively?
...ent, add it to one of the initialization files (~/.bashrc, ~/.bash_profile etc.).
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Singular or plural controller and helper names in Rails
... controllers that are tied directly to a specific model: User -> Users, etc.), but you can use whatever you want.
As for helpers, all helpers are available for all controllers by default, so technically, how you name your helpers doesn't matter at all. It's just another convention to keep a cont...
Why doesn't a python dict.update() return the object?
... the keyword ones, and bereft of the ** form -- dict(award_dict, name=name etc etc).
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Passing multiple variables in @RequestBody to a Spring MVC controller using Ajax
...p<String, String> is: API documentation libraries (swagger/springfox etc) probably will not be able to parse your request/response schema from your source code.
– stratovarius
Nov 15 '18 at 9:30
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