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What does the “__block” keyword mean?
...y the variable, the block has access to the old object.
NSString* str = @"hello";
void (^theBlock)() = ^void() {
NSLog(@"%@", str);
};
str = @"how are you";
theBlock(); //prints @"hello"
In these 2 cases you need __block:
1.If you want to modify the variable inside the block and expect it to...
How do I convert a string to a lower case representation?
...ick through to the strings package, here's example code:
strings.ToLower("Hello, WoRLd") // => "hello, world"
If you need to handle a Unicode Special Case like Azeri or Turkish, you can use ToLowerSpecial:
strings.ToLowerSpecial(unicode.TurkishCase, "Hello, WoRLd") // => "hello, world"
...
jQuery `.is(“:visible”)` not working in Chrome
...ction</title>
</head>
<body>
<div id="hello-world">
Hello World!
</div>
<div id="fullname">
Fernando Mosquera Catarecha
</div>
<div id="vote">
rate it!
</div...
How to safely call an async method in C# without await
...his:
public string GetStringData()
{
var _ = MyAsyncMethod();
return "hello world";
}
BTW, this is not a "common problem". It's very rare to want to execute some code and not care whether it completes and not care whether it completes successfully.
Update:
Since you're on ASP.NET and wantin...
Pass array to ajax request in $.ajax() [duplicate]
...
info = [];
info[0] = 'hi';
info[1] = 'hello';
$.ajax({
type: "POST",
data: {info:info},
url: "index.php",
success: function(msg){
$('.answer').html(msg);
}
});
shar...
Mismatched anonymous define() module
...sing a "string id".
anonymous defines
define(function() {
return { helloWorld: function() { console.log('hello world!') } };
})
define(function() {
return { helloWorld2: function() { console.log('hello world again!') } };
})
define with string id
define('moduleOne',functio...
Static/Dynamic vs Strong/Weak
...e rather than the value it refers to.
For example in Java:
String str = "Hello"; //statically typed as string
str = 5; //would throw an error since java is statically typed
Whereas in a dynamically typed language the type is dynamic, meaning after you set a variable to a type, you...
Index (zero based) must be greater than or equal to zero
...eadLine();
Console.ReadLine();
Console.WriteLine("Hello {0}, {1} ", FirstName, LastName);
Console.ReadLine();
}
}
}
share
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improve this answer
...
How do you make a web application in Clojure? [closed]
...n have something like this:
(defroutes my-routes
(GET "/" [] "<h1>Hello all!</h1>")
(GET "/user/:id" [id] (str "<h1>Hello " id "</h1>")))
Compojure is still working with the request/response maps so you can always access them if needed:
(defroutes my-routes
(GET "*"...
Are parameters in strings.xml possible? [duplicate]
...ample, with the following resource:
<string name="welcome_messages">Hello, %1$s! You have %2$d new messages.</string>
In this example, the format string has two arguments: %1$s is a string and %2$d is a decimal number. You can format the string with arguments from your application...