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How to resolve “must be an instance of string, string given” prior to PHP 7?
... the class string is expected, but you're giving it a (scalar) string. The error message may be funny, but it's not supposed to work to begin with. Given the dynamic typing system, this actually makes some sort of perverted sense.
You can only manually "type hint" scalar types:
function foo($strin...
How do I find where an exception was thrown in C++?
...location of the exception.
Note: I say may because C++ supports non-local error handling through the use of language constructs to separate error handling and reporting code from ordinary code. The catch block can be, and often is, located in a different function/method than the point of throwing....
Write a function that returns the longest palindrome in a given string
I thought of a solution but it runs in O(n^2) time
22 Answers
22
...
Converting JSONarray to ArrayList
...\n" +
" {\n" +
" \"id\": \"c205\",\n" +
" \"name\": \"Dido\",\n" +
" \"email\": \"dido@gmail.com\",\n" +
" \"address\": \"xx-xx-xxxx,x - street, x - country\",\n" +
...
What is the overhead of creating a new HttpClient per call in a WebAPI client?
...f sockets available under heavy loads. This will result in SocketException errors.
If you find that you need to use a static HttpClient with different headers, base address, etc. what you will need to do is to create the HttpRequestMessage manually and set those values on the HttpRequestMessage. T...
Simplest/Cleanest way to implement singleton in JavaScript?
... //and refer to the same instance. Another option is to
//throw an error.
return Foo._instance;
}
Foo._instance = this;
//Foo initialization code
};
Foo.getInstance = function () {
"use strict";
return Foo._instance || new Foo();
}
long form, using module pattern...
How does Django's Meta class work?
...n [2]: User.Meta
Out[2]: django.contrib.auth.models.Meta
In [3]: User.Meta.__dict__
Out[3]:
{'__doc__': None,
'__module__': 'django.contrib.auth.models',
'abstract': False,
'verbose_name': <django.utils.functional.__proxy__ at 0x26a6610>,
'verbose_name_plural': <django.utils.functional...
Why do some C# lambda expressions compile to static methods?
...l implementation most likely varies slightly):
private class <Main>b__0
{
public int age;
public void withClosure(string s)
{
Console.WriteLine("My name is {0} and I am {1} years old", s, age)
}
}
private static class <Main>b__1
{
public static void withoutC...
No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin '…' is therefor
...
Why the error is raised:
JavaScript code is limited by the same-origin policy, meaning, from a page at www.example.com, you can only make (AJAX) requests to services located at exactly the same domain, in that case, exactly www.examp...
warning: implicit declaration of function
... I cannot run the code after I get this warning. So it behaves like an error.
– Mien
Jan 21 '14 at 13:36
@Flimm, C...