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Using an HTML button to call a JavaScript function
...unction:
document.getElementById("clickMe").onclick = function () { alert('hello!'); };
3: And there's attaching a function to the event handler using Javascript:
var el = document.getElementById("clickMe");
if (el.addEventListener)
el.addEventListener("click", doFunction, false);
else if (el...
Best way to write to the console in PowerShell
...pipeline it can be consumed by other commands in the chain. For example:
"hello world" | Do-Something
but this won't work since Write-Host writes to the console, not to the pipeline (Do-Something will not get the string):
Write-Host "hello world" | Do-Something
...
I want to remove double quotes from a String
...
Assuming:
var someStr = 'He said "Hello, my name is Foo"';
console.log(someStr.replace(/['"]+/g, ''));
That should do the trick... (if your goal is to replace all double quotes).
Here's how it works:
['"] is a character class, matches both single and dou...
What is the difference between build.sbt and build.scala?
...
To give a brief example, this build.sbt:
name := "hello"
version := "1.0"
is a shorthand notation roughly equivalent to this project/Build.scala:
import sbt._
import Keys._
object Build extends Build {
lazy val root = Project(id = "root", base = file(".")).settings(
...
Can an ASP.NET MVC controller return an Image?
...mImage(image))
{
// do something with the Graphics (eg. write "Hello World!")
string text = "Hello World!";
// Create font and brush.
Font drawFont = new Font("Arial", 10);
SolidBrush drawBrush = new SolidBrush(Color.Black);
// Create point for u...
Bytes of a string in Java
...size as follows:
// The input string for this test
final String string = "Hello World";
// Check length, in characters
System.out.println(string.length()); // prints "11"
// Check encoded sizes
final byte[] utf8Bytes = string.getBytes("UTF-8");
System.out.println(utf8Bytes.length); // prints "11"...
Java Map equivalent in C#
...ring> example = new Dictionary<string,string>();
...
example.Add("hello","world");
...
Console.Writeline(example["hello"]);
An efficient way to test/get values is TryGetValue (thanx to Earwicker):
if (otherExample.TryGetValue("key", out value))
{
otherExample["key"] = value + 1;
}
...
Python dictionary from an object's fields
...you can do something like:
>>> class Foo(object):
... bar = 'hello'
... baz = 'world'
...
>>> f = Foo()
>>> [name for name in dir(f) if not name.startswith('__')]
[ 'bar', 'baz' ]
>>> dict((name, getattr(f, name)) for name in dir(f) if not name.startswith...
Are HTTPS URLs encrypted?
...'s one.
Server Name (the domain part of the URL) is presented in the ClientHello packet, in plain text.
The following shows a browser request to:
https://i.stack.imgur.com/path/?some=parameters&go=here
See this answer for more on TLS version fields (there are 3 of them - not versions, fields th...
What's a simple way to get a text input popup dialog box on an iPhone
...er, right :-)?
UIAlertView * alert = [[UIAlertView alloc] initWithTitle:@"Hello!" message:@"Please enter your name:" delegate:self cancelButtonTitle:@"Continue" otherButtonTitles:nil];
alert.alertViewStyle = UIAlertViewStylePlainTextInput;
UITextField * alertTextField = [alert textFieldAtIndex:0];
...