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When do Java generics require
...ch as List<Date> or Map<K, V> as in the example) is to force a downcast and to have the compiler guarantee that this is safe (no runtime exceptions).
Consider the case of List. The essence of my question is why a method that takes a type T and a List won't accept a List of something fur...
Shortest distance between a point and a line segment
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The check for line segments of length 0 is too far down in the code. 'len_sq' will be zero and the code will divide by 0 before it gets to the safety check.
– HostedMetrics.com
Aug 21 '14 at 14:33
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PyPy — How can it possibly beat CPython?
...d subset of Python (the language and not the CPython interpreter). - Refer https://pypy.readthedocs.org/en/latest/architecture.html for details.
Q3. And what are the chances of a PyPyPy or PyPyPyPy beating their score?
That would depend on the implementation of these hypothetical interpreters. If ...
What is the difference between static_cast and C style casting?
...st explaining different casts in C/C++, and what C-style cast really does: https://anteru.net/blog/2007/12/18/200/index.html
C-Style casting, using the (type)variable syntax. The worst ever
invented. This tries to do the following casts, in this order: (see
also C++ Standard, 5.4 expr.cast p...
How to get a group of toggle buttons to act like radio buttons in WPF?
... but also as radio buttons where only one button can be selected / pressed down at a current time. It also need to have a state where none of the buttons are selected / pressed down.
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What is the proper REST response code for a valid request but an empty data?
... app, I have wasted hours of contacting the developers of the API to track down why the API endpoint I was calling didn't exist, when in fact it did, it just had no data to report. With regards to a 204 not being particularly useful to a browser, that is a bit like the tail wagging the dog as most u...
How to stop app that node.js express 'npm start'
...me was truncated. I read up on process.title in the nodejs documentation (https://nodejs.org/docs/latest/api/process.html#process_process_title) and it says
On Linux and OS X, it's limited to the size of the binary name plus the length of the command line arguments because it overwrites the arg...
What is a difference between
...s) as a subset. That verbal relationship is fine. What I'm saying breaks down is the notion that "upper" and "lower" have intrinsic mappings to "superset" and "subset". Upper and Lower should be avoided as terms in OO.
– user4229245
Sep 16 '15 at 7:33
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How do I declare a 2d array in C++ using new?
...returns a pointer to an array, which is then indexed with [y]. Breaking it down:
int* row = matrix[ x ];
int val = row[ y ];
Convenient, yes? We like our [ x ][ y ] syntax.
But the solution has a big disadvantage, which is that it is both fat and slow.
Why?
The reason that it's both fat and...
How do you kill all current connections to a SQL Server 2005 database?
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Using SQL Management Studio Express:
In the Object Explorer tree drill down under Management to "Activity Monitor" (if you cannot find it there then right click on the database server and select "Activity Monitor"). Opening the Activity Monitor, you can view all process info. You should be able ...