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How to find if div with specific id exists in jQuery?
... to an element on click. The function gets the text of the clicked element and assigns it to a variable called name . That variable is then used as the <div> id of the appended element.
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How to take all but the last element in a sequence using LINQ?
...st = false;
}
} while (hasRemainingItems);
}
static void Main(string[] args) {
var Seq = Enumerable.Range(1, 10);
Console.WriteLine(string.Join(", ", Seq.Select(x => x.ToString()).ToArray()));
Console.WriteLine(string.Join(", ", Seq.TakeAllButLast().Select(x => x.ToSt...
Method has the same erasure as another method in type
... uses type erasure. The bit in the angle brackets (<Integer> and <String>) gets removed, so you'd end up with two methods that have an identical signature (the add(Set) you see in the error). That's not allowed because the runtime wouldn't know which to use for each case.
If Java ever g...
Building big, immutable objects without using constructors having long parameter lists
...method on a case class. Here's some example code:
case class Person(name: String, age: Int, children: List[Person] = List()) {
def addChild(p: Person) = copy(children = p :: this.children)
}
val parent = Person(name = "Bob", age = 55)
.addChild(Person("Lisa", 23))
.addChild(Person("Peter", 1...
A migration to add unique constraint to a combination of columns
...mns. i.e. for a people table, a combination of first_name , last_Name and Dob should be unique.
6 Answers
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Cast Int to enum in Java
...lid ordinal for that enum.
Note that in Java enums actually are classes (and enum values thus are objects) and thus you can't cast an int or even Integer to an enum.
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...
Adding console.log to every function automatically
...s(obj)) {
let prop = obj[propName];
if (Object.prototype.toString.call(prop) === '[object Function]') {
obj[propName] = (function(fnName) {
return function() {
beforeFn.call(this, fnName, arguments);
return prop.appl...
Writing Unicode text to a text file?
...you first get them and encoding them as necessary on the way out.
If your string is actually a unicode object, you'll need to convert it to a unicode-encoded string object before writing it to a file:
foo = u'Δ, Й, ק, م, ๗, あ, 叶, 葉, and 말.'
f = open('test', 'w')
f.write(foo.encod...
How can I install from a git subdirectory with pip?
... Repository not found. presumably because it doesn't parse the "query" string correctly. I've just logged: github.com/pypa/pip/issues/4898
– amohr
Nov 30 '17 at 22:45
...
Get current batchfile directory
...n used above, ending backslash or not) you will need to enclose the entire string in double quotes if path has spaces (i.e. "%batdir%ExtraDir"). You can always use PUSHD %~dp0. [https: // ss64.com/ nt/ syntax-args .html] has more on (%~) parameters.
Note that using (::) at beginning of a line makes...