I think the main reason is for data integrity. If you have a relationship between two tables invoice and invoice_item. You won’t be able to add an invoice item that does not related to an invoice. This is what you want! It’s called referential integrity. It can get pretty messy in your database if you don’t have … Read more
C and C++ can run on many different architectures, and machine types. Consequently, they can have different representations of numbers: Two’s complement, and Ones’ complement being the most common. In general you should not rely on a particular representation in your program. For unsigned integer types (size_t being one of those), the C standard (and the … Read more
I can’t find a clear explanation of what it means when a value/variable is surrounded by ‘"’ and why it happens. For example, I have a simple function which returns an array containing an id. For some reason, it returns: not: which I would have expected. Can someone explain what ‘"’ is and why/how they … Read more
We have an internal Flash application current running in browsers. Can we use Flash Player Projector app post 2020 and configure our SWF URL to run in this application. Will the Flash Player Support End from Adobe impact the way we can use the Flash Player Projector app (flashplayer_32_sa.exe) I have researched other blogs and SO questions … Read more
np.random.seed(0) makes the random numbers predictable With the seed reset (every time), the same set of numbers will appear every time. If the random seed is not reset, different numbers appear with every invocation: (pseudo-)random numbers work by starting with a number (the seed), multiplying it by a large number, adding an offset, then taking modulo of that sum. The … Read more
Check if you are referencing an assembly which in turn referencing an old version of unity. For example let’s say you have an assembly called ServiceLocator.dll which needs an old version of Unity assembly, now when you reference the ServiceLocator you should provide it with the old version of Unity, and that makes the problem. May be the output … Read more
In order to display Toast in your application, try this: Another example: We can define two constants for duration: int LENGTH_LONG Show the view or text notification for a long period of time. int LENGTH_SHORT Show the view or text notification for a short period of time. Customizing your toast
IISReset stops and restarts the entire web server (including non-ASP.NET apps)Recycling an app pool will only affect applications running in that app pool.Editing the web.config in a web application only affects that web application (recycles just that app).Editing the machine.config on the machine will recycle all app pools running. IIS will monitor the /bin directory … Read more
Is there a way to download Awesomium latest sdk or for visual studio 2015 since their website is down? I need it for a project I found for visual basic which Awesomium core and some functions are required..
A servlet is simply a class which responds to a particular type of network request – most commonly an HTTP request. Basically servlets are usually used to implement web applications – but there are also various frameworks which operate on top of servlets (e.g. Struts) to give a higher-level abstraction than the “here’s an HTTP … Read more