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Can inner classes access private variables?
...ss. You have to make the parent child relationship manually.
#include <string>
#include <iostream>
class Outer
{
class Inner
{
public:
Inner(Outer& x): parent(x) {}
void func()
{
std::string a = "myconst1";
...
Remove duplicate values from JS array [duplicate]
...linear time, but has at least two drawbacks:
since hash keys can only be strings or symbols in JavaScript, this code doesn't distinguish numbers and "numeric strings". That is, uniq([1,"1"]) will return just [1]
for the same reason, all objects will be considered equal: uniq([{foo:1},{foo:2}]) wil...
How to output in CLI during execution of PHP Unit tests?
...est to test output using the built-in methods like:
$this->expectOutputString('foo');
However, sometimes it's helpful to be naughty and see one-off/temporary debugging output from within your test cases. There is no need for the var_dump hack/workaround, though. This can easily be accomplished...
How to securely store access token and secret in Android?
...Runner"
// Create BuildConfig variables
buildConfigField "String", "ACCESS_TOKEN", keystoreProperties["ACCESS_TOKEN"]
buildConfigField "String", "SECRET", keystoreProperties["SECRET"]
}
}
You can use your Access Token and Secret in your code like this:
String accessTok...
Simplest way to wait some asynchronous tasks complete, in Javascript?
...mongoose = require('mongoose');
mongoose.connect('your MongoDB connection string');
var conn = mongoose.connection;
var promises = ['aaa', 'bbb', 'ccc'].map(function(name) {
return new Promise(function(resolve, reject) {
var collection = conn.collection(name);
collection.drop(function(er...
Setting HttpContext.Current.Session in a unit test
... var httpRequest = new HttpRequest("", "http://example.com/", "");
var stringWriter = new StringWriter();
var httpResponse = new HttpResponse(stringWriter);
var httpContext = new HttpContext(httpRequest, httpResponse);
var sessionContainer = new HttpSessionStateContainer("id", new S...
What are Scala context and view bounds?
...r.
While a view bound can be used with simple types (for example, A <% String), a context bound requires a parameterized type, such as Ordered[A] above, but unlike String.
A context bound describes an implicit value, instead of view bound's implicit conversion. It is used to declare that for s...
Python != operation vs “is not”
... but are not identical. (They are not the same object in memory.)
Example: Strings
>>> greeting = "It's a beautiful day in the neighbourhood."
>>> a = unicode(greeting)
>>> b = unicode(greeting)
>>> a is b
False
>>> a == b
True
Note: I use unicode stri...
Should I return a Collection or a Stream?
...ood example of this are the APIs in java.nio.file.Files:
static Stream<String> lines(path)
static List<String> readAllLines(path)
Not only does readAllLines have to hold the entire file contents in memory in order to store it into the result list, it also has to read the file to t...
Calculate the execution time of a method
....Diagnostics;
using System.Threading;
class Program
{
static void Main(string[] args)
{
Stopwatch stopWatch = new Stopwatch();
stopWatch.Start();
Thread.Sleep(10000);
stopWatch.Stop();
// Get the elapsed time as a TimeSpan value.
TimeSpan ts = ...