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What's the difference between “declare class” and “interface” in TypeScript
...use.
declare class is for when you want to describe an existing class (usually a TypeScript class, but not always) that is going to be externally present (for example, you have two .ts files that compile to two .js files and both are included via script tags in a webpage). If you inherit from a cla...
error: use of deleted function
...e X::x is const, it must be initialized -- but a default ctor wouldn't normally initialize it (because it's a POD type). Therefore, to get a default ctor, you need to define one yourself (and it must initialize x). You can get the same kind of situation with a member that's a reference:
class X {
...
Insert/Update Many to Many Entity Framework . How do I do it?
...ject and cannot seem to work out how to insert or update. I have build a small project just to see how it should be coded.
...
Why does an overridden function in the derived class hide other overloads of the base class?
...e word "hide"), you already know what is going on here. The phenomenon is called "name hiding". For some reason, every time someone asks a question about why name hiding happens, people who respond either say that this called "name hiding" and explain how it works (which you probably already know), ...
How is the java memory pool divided?
...ap memory
The heap memory is the runtime data area from which the Java VM allocates memory for all class instances and arrays. The heap may be of a fixed or variable size. The garbage collector is an automatic memory management system that reclaims heap memory for objects.
Eden Space: The pool fr...
Thread pooling in C++11
... code, that would violate my job integrity.
Edit: to terminate the pool, call the shutdown() method:
XXXX::shutdown(){
{
unique_lock<mutex> lock(threadpool_mutex);
terminate_pool = true;} // use this flag in condition.wait
condition.notify_all(); // wake up all threads.
// ...
Shortcut to switch between design and text in Android Studio
... On windows it is ATL+SHIFT+RIGHT/LEFT
– vijay_t
Dec 18 '15 at 12:11
This answer shows the key command to searc...
How to explain Katana and OWIN in simple words and uses?
...servers and web applications should be built in order to decouple them and allow movement of ASP.NET applications to environments which were not supported before.
Prior to OWIN, when building ASP.NET application, you were inherently bound to IIS due to the heavy dependency on System.Web assembly.
...
How do I use VaryByParam with multiple parameters?
...
You can use * for all parameters or a semi-colon separated list (VaryByParam = "customerId;languageId").
You can also use none if you didn't want it to cache different versions....
Here's a nice write up specifically for MVC.
...
mysql create user if not exists
...alhost' IDENTIFIED BY 'password';
Note that the 5.7.6 method doesn't actually grant any permissions.
If you aren't using a version which has this capability (something below 5.7.6), you can do the following:
GRANT ALL ON `database`.* TO 'user'@'localhost' IDENTIFIED BY 'password';
This will ...
