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Scala equivalent of Java java.lang.Class Object
...: java.lang.Class[C] = class C
scala> c.getClass
res1: java.lang.Class[_] = class C
That is why the following will not work:
val xClass: Class[X] = new X().getClass //it returns Class[_], nor Class[X]
val integerClass: Class[Integer] = new Integer(5).getClass //similar error
There is a ticket...
Android: Bitmaps loaded from gallery are rotated in ImageView
...ntation of the image:
orientation = exif.getAttributeInt(ExifInterface.TAG_ORIENTATION, 1);
Here's what the orientation values mean:
http://sylvana.net/jpegcrop/exif_orientation.html
So, the most important values are 3, 6 and 8.
If the orientation is ExifInterface.ORIENTATION_ROTATE_90 (which is...
How to disable HTML button using JavaScript?
...n purposes
// don't ever actually use document.write(), eval(), or access __proto__
function log(value) {
document.write(`<pre>${value}</pre>`);
}
function logChain(code) {
log(code);
var object = eval(code);
do {
log(`${object.constructor.name} ${object instan...
What do the terms “CPU bound” and “I/O bound” mean?
...:
#define SIZE 1000000000
unsigned int is[SIZE];
unsigned int sum = 0;
size_t i = 0;
for (i = 0; i < SIZE; i++)
/* Each one of those requires a RAM access! */
sum += is[i]
Parallelizing that by splitting the array equally for each of your cores is of limited usefulness on common modern d...
What version of Visual Studio is Python on my computer compiled with?
...
Visual C++ version _MSC_VER
Visual C++ 4.x 1000
Visual C++ 5 1100
Visual C++ 6 1200
Visual C++ .NET 1300
Visual C++ .NET 2003 1310
Visual C++ 2005 (8.0) ...
Resolving ambiguous overload on function pointer and std::function for a lambda using +
...in comp.lang.c++.moderated if a closure type could add a typedef for result_type and the other typedefs required to make them adaptable (for instance by std::not1). I was told that it could not because this was observable. I'll try to find the link.
– Cassio Neri
...
How to create a directory if it doesn't exist using Node.js?
...istsSync() isn't deprecated, exists() is though - nodejs.org/api/fs.html#fs_fs_existssync_path
– Ian Chadwick
Oct 18 '16 at 11:04
1
...
How should the ViewModel close the form?
...e OnLoaded method of your window should be overridden:
void CustomerWindow_Loaded(object sender, RoutedEventArgs e)
{
CustomerViewModel customer = CustomerViewModel.GetYourCustomer();
DataContext = customer;
customer.RequestClose += () => { Close(); };
}
or OnStartup method of you ...
Converting string from snake_case to CamelCase in Ruby
... you're using Rails, String#camelize is what you're looking for.
"active_record".camelize # => "ActiveRecord"
"active_record".camelize(:lower) # => "activeRecord"
If you want to get an actual class, you should use String#constantize on top of that.
"app_user".came...
How to convert JSON string to array
...
If you pass the JSON in your post to json_decode, it will fail. Valid JSON strings have quoted keys:
json_decode('{foo:"bar"}'); // this fails
json_decode('{"foo":"bar"}', true); // returns array("foo" => "bar")
json_decode('{"foo":"bar"}'); // ret...