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How to overload std::swap()
...ns are seen, the more specific one (this one) will be chosen when swap is called without qualification.
– Dave Abrahams
Apr 17 '11 at 14:24
5
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Case insensitive regex in JavaScript
...same by just manipulating the case of the strings you are comparing:
const foo = 'HellO, WoRlD!';
const isFoo = 'hello, world!';
return foo.toLowerCase() === isFoo.toLowerCase();
I would also call this easier to read and grok the author's intent!
...
How to assign a Git SHA1's to a file without Git?
...e69de29bb2d1d6434b8b29ae775ad8c2e48c5391
Another example:
sha1("blob 7\0foobar\n") = "323fae03f4606ea9991df8befbb2fca795e648fa"
$ echo "foobar" > foo.txt
$ git hash-object foo.txt
323fae03f4606ea9991df8befbb2fca795e648fa
Here is a Python implementation:
from hashlib import sha1
def githas...
Sprintf equivalent in Java
...atting with an instance method makes little sense, as it would have to be called like:
String formatted = "%s: %s".format(key, value);
The original Java authors (and .NET authors) decided that a static method made more sense in this situation, as you are not modifying the target, but instead call...
What are the typical reasons Javascript developed on Firefox fails on IE? [closed]
...compliance mode for them to be available.
General:
Problems with partially loaded documents: It’s a good idea to add your JavaScript in a window.onload or similar event as IE doesn’t support many operations in partially loaded documents.
Differing attributes: In CSS, it's elm.style.styleFlo...
Why is my variable unaltered after I modify it inside of a function? - Asynchronous code reference
Given the following examples, why is outerScopeVar undefined in all cases?
6 Answers
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Passing properties by reference in C#
...k not yet mentioned is to have the class which implements a property (e.g. Foo of type Bar) also define a delegate delegate void ActByRef<T1,T2>(ref T1 p1, ref T2 p2); and implement a method ActOnFoo<TX1>(ref Bar it, ActByRef<Bar,TX1> proc, ref TX1 extraParam1) (and possibly versio...
Is it possible to solve the “A generic array of T is created for a varargs parameter” compiler warni
...n(String[] args) {
doSomething(new ArgBuilder<String>().and("foo").and("bar").and("baz"));
// or
doSomething(with("foo").and("bar").and("baz"));
}
static void doSomething(Iterable<String> args) {
for (String arg : args) {
System.out.pr...
Chrome extension: accessing localStorage in content script
...xtension context, so you don't need content scripts or messaging. You can call localStorage directly from the options page or use chrome.extension.getBackgroundPage from the options page.
– Mohamed Mansour
Jul 23 '11 at 12:43
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What's the difference between Invoke() and BeginInvoke()
...y, on a threadpool thread.
Control.Invoke: Executes on the UI thread, but calling thread waits for completion before continuing.
Control.BeginInvoke: Executes on the UI thread, and calling thread doesn't wait for completion.
Tim's answer mentions when you might want to use BeginInvoke - although i...