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Get string character by index - Java
...???????????";
Iterate of chars
The first solution is a simple loop over all char of the string:
/* 1 */
System.out.println(
"\n\nUsing char iterator (do not work for surrogate pairs !)");
for (int pos = 0; pos < str.length(); ++pos) {
char c = str.charAt(pos);
System.out.print...
Getting output of system() calls in Ruby
If I call a command using Kernel#system in Ruby, how do I get its output?
15 Answers
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Why does the indexing start with zero in 'C'?
...
In C, the name of an array is essentially a pointer [but see the comments], a reference to a memory location, and so the expression array[n] refers to a memory location n elements away from the starting element. This means that the index is used as an offset. Th...
Function overloading in Javascript - Best practices
...rings("one",2,true); // result = one2true
This particular example is actually more elegant in javascript than C#. Parameters which are not specified are 'undefined' in javascript, which evaluates to false in an if statement. However, the function definition does not convey the information that p2...
How do I find if a string starts with another string in Ruby?
...egex is far superior for case insensitive searches, even if you calculated all the permutations of cases for the test string ahead of time.
– Peter P.
Apr 2 '15 at 23:03
3
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How are strings passed in .NET?
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A reference is passed; however, it's not technically passed by reference. This is a subtle, but very important distinction. Consider the following code:
void DoSomething(string strLocal)
{
strLocal = "local";
}
void Main()
{
string strMain = "main";
DoSomething...
How to get the function name from within that function?
... ret = ret.substr(0, ret.indexOf('('));
return ret;
}
Using Function.caller is non-standard. Function.caller and arguments.callee are both forbidden in strict mode.
Edit: nus's regex based answer below achieves the same thing, but has better performance!
In ES6, you can just use myFunction.na...
How do browser cookie domains work?
...e's domain attribute is set,
the cookie is applicable to that domain and all its subdomains;
the cookie's domain must be the same as, or a parent of, the origin domain
the cookie's domain must not be a TLD, a public suffix, or a parent of a public suffix.
It can be derived that a cookie is alwa...
How to correctly require a specific commit in Composer so that it would be available for dependent p
...have something to do with Composer prefering Packagist over GitHub specifically?
– Maciej Sz
Jan 23 '14 at 19:06
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ASP.NET MVC controller actions that return JSON or partial html
...tionMethod() {
return Json(new {foo="bar", baz="Blech"});
}
Then just call the action method using Ajax. You could use one of the helper methods from the ViewPage such as
<%= Ajax.ActionLink("SomeActionMethod", new AjaxOptions {OnSuccess="somemethod"}) %>
SomeMethod would be a javascri...