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Calling async method synchronously
...ync().Result;
Note: In some cases, this might lead to a deadlock: Your call to Result blocks the main thread, thereby preventing the remainder of the async code to execute. You have the following options to make sure that this doesn't happen:
Add .ConfigureAwait(false) to your library method o...
What is “lifting” in Scala?
...se)
Methods
You can "lift" a method invocation into a function. This is called eta-expansion (thanks to Ben James for this). So for example:
scala> def times2(i: Int) = i * 2
times2: (i: Int)Int
We lift a method into a function by applying the underscore
scala> val f = times2 _
f: Int =...
How to call an async method from a getter or setter?
What'd be the most elegant way to call an async method from a getter or setter in C#?
12 Answers
...
Start / Stop a Windows Service from a non-Administrator user account
...going to want a program, or script to do this. You can use the Windows API calls QueryServiceObjectSecurity, and SetServiceObjectSecurity. MSDN has a full example for applying this to the "Guest" account
– Drew Chapin
Dec 16 '11 at 21:39
...
jquery disable form submit on enter
...
If keyCode is not caught, catch which:
$('#formid').on('keyup keypress', function(e) {
var keyCode = e.keyCode || e.which;
if (keyCode === 13) {
e.preventDefault();
return false;
}
});
EDIT: missed it, it's better to use keyup instead of keypress
EDIT 2:...
How to access the correct `this` inside a callback?
...rd inside each function and its value only depends on how the function was called, not how/when/where it was defined. It is not affected by lexical scopes like other variables (except for arrow functions, see below). Here are some examples:
function foo() {
console.log(this);
}
// normal functi...
Print current call stack from a method in Python code
In Python, how can I print the current call stack from within a method (for debugging purposes).
7 Answers
...
Why can't I overload constructors in PHP?
...a is that by adding return $this; to the end of your methods you can chain calls together. So instead of
$car1 = new Car('blue', 'RWD');
$car2 = new Car('Ford', '300hp');
(which simply wouldn't work), you can do:
$car = (new Car)
->setColor('blue')
->setMake('Ford')
-...
Calling clojure from java
Most of the top google hits for "calling clojure from java" are outdated and recommend using clojure.lang.RT to compile the source code. Could you help with a clear explanation of how to call Clojure from Java assuming you have already built a jar from the Clojure project and included it in the cl...
String comparison in Python: is vs. == [duplicate]
...x==y is also
True.
Not always. NaN is a counterexample. But usually, identity (is) implies equality (==). The converse is not true: Two distinct objects can have the same value.
Also, is it generally considered better to just use '==' by default, even
when comparing int or Boolean value...