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Finding the max value of an attribute in an array of objects
...swer, however, you would like to pass an initial value or you would get an error in case the data array is empty. i.e. for an autoincrement index of objects. const max = data.reduce((prev, current) => (prev.y > current.y) ? prev : current, 1)
– juliangonzalez
...
High Quality Image Scaling Library [closed]
... < 0) || (quality > 100))
{
//create the error message
string error = string.Format("Jpeg image quality must be between 0 and 100, with 100 being the highest quality. A value of {0} was specified.", quality);
//throw a helpful except...
How do I use IValidatableObject?
... new { MemberName = mn ?? "",
Error = vr.ErrorMessage }))
.GroupBy(x => x.MemberName);
foreach (var member in resultsGroupedByMembers)
{
ModelState.AddModelError(
member.Key,
string.Join(". ", member.Select(m => m.Error)));
...
Assign same value to multiple variables at once?
...word & using this method
$c = 1234;
$a = $b = &$c; // no syntax error
// $a is passed by value. $b is passed by reference of $c
$a = &$b = &$c; // syntax error
$a = &($b = &$c); // $b = &$c is okay.
// but $a = &(...) is error because you can not pass by referen...
Resetting a multi-stage form with jQuery
... be one small problem with this solution - the input:email - it returns an error : Error: Syntax error, unrecognized expression: unsupported pseudo: email
– Spencer Mark
Aug 14 '12 at 0:20
...
How to delete items from a dictionary while iterating over it?
...
EDIT:
This answer will not work for Python3 and will give a RuntimeError.
RuntimeError: dictionary changed size during iteration.
This happens because mydict.keys() returns an iterator not a list.
As pointed out in comments simply convert mydict.keys() to a list by list(mydict.keys()) ...
Symbolic links and synced folders in Vagrant
...ountered this same issue: on OS X, I got the symlink has no referent rsync error. I was personally able to solve it by adding particular rsync args to my vagrantfile:
config.vm.synced_folder ".", "/var/www", type: "rsync", rsync__args: ["--verbose", "--archive", "--delete", "-z"]
I also opene...
get and set in TypeScript
...e(name: string) {
if (name.length > 10) {
throw new Error("Name has a max length of 10");
}
this._name = name;
}
doStuff () {
this._name = 'foofooooooofoooo';
}
}
const person = new Person('Willem');
// doesn't throw error, setter fu...
Xcode 4.2 debug doesn't symbolicate stack call
...o useful for other reasons). First, create a function that will handle the error and output it to the console (as well as whatever else you want to do with it):
void uncaughtExceptionHandler(NSException *exception) {
NSLog(@"CRASH: %@", exception);
NSLog(@"Stack Trace: %@", [exception callS...
Why am I not getting a java.util.ConcurrentModificationException in this example?
...hod does not work when removing items. You can remove the element without error, but you will get a runtime error when you try to access removed items. You can't use the iterator because as pushy shows it will cause a ConcurrentModificationException, so use a regular for loop instead, but step ba...