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What is Rack middleware?
...r has a method called call that accepts an environment hash and returns an array with the form [status, headers, body] for the webserver to serve. Let's try it out by simply calling rackup. A default rack compliant server, maybe WEBrick or Mongrel will start and immediately wait for requests to serv...
Why a function checking if a string is empty always returns true? [closed]
...empty string)
* 0 (0 as an integer)
* "0" (0 as a string)
* NULL
* FALSE
* array() (an empty array)
* var $var; (a variable declared, but without a value in a class)
http://www.php.net/empty
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What is the proper declaration of main?
...conventionally named argc and argv, respectively. argv is a pointer to an array of C strings representing the arguments to the program. argc is the number of arguments in the argv array.
Usually, argv[0] contains the name of the program, but this is not always the case. argv[argc] is guaranteed...
C# SQL Server - Passing a list to a stored procedure
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No, arrays/lists can't be passed to SQL Server directly.
The following options are available:
Passing a comma-delimited list and then having a function in SQL split the list. The comma delimited list will most likely be passe...
What arguments are passed into AsyncTask?
...in a different thread from the main one. Here we have as an input value an array of objects from the type “X” (Do you see in the header? We have “...extends AsyncTask” These are the TYPES of the input parameters) and returns an object from the type “Z”.
protected void onProgressUpdat...
Linq style “For Each” [duplicate]
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The Array and List<T> classes already have ForEach methods, though only this specific implementation. (Note that the former is static, by the way).
Not sure it really offers a great advantage over a foreach statement, but ...
AngularJS: Is there any way to determine which fields are making a form invalid?
...id
console.log($scope.FORM_NAME.$error.required);
this will output the array of invalid fields of the form
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When should I really use noexcept?
...can compiler recognize that the code can throw exception? Is and access to array considered as possible exception?
– Tomas Kubes
Apr 20 '15 at 16:56
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How to get the first five character of a String
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You can use Enumerable.Take like:
char[] array = yourStringVariable.Take(5).ToArray();
Or you can use String.Substring.
string str = yourStringVariable.Substring(0,5);
Remember that String.Substring could throw an exception in case of string's length less tha...
When do you use POST and when do you use GET?
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what if I want to view data, but I need to pass ana array or a JSON as a a parameter, is still viable to stringify the array and send it as GET, or in this case is it okay to just use POST and send the array in the body?
– A.J Alhorr
Aug ...