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Is CSS Turing complete?
...s Turing-complete so long as you consider an appropriate accompanying HTML file and user interactions to be part of the “execution” of CSS. A pretty good implementation is available, and another implementation is included here:
body {
-webkit-animation: bugfix infinite 1s;
margin:...
Is it possible to make a type only movable and not copyable?
...have management/ownership of some resource (e.g. a memory allocation, or a file handle) and its very unlikely that a byte copy will correctly duplicate this ownership.
"Well... what's an implicit copy?"
Think about a primitive type like u8: a byte copy is simple, just copy the single byte, and a s...
What exactly does Perl's “bless” do?
... Techniques by Damian Conway for useful examples) or even a reference to a file or directory handle (least common case).
The effect bless-ing has is that it allows you to apply special syntax to the blessed reference.
For example, if a blessed reference is stored in $obj (associated by bless with...
Is there documentation for the Rails column types?
...two states, like on/off)
Binary:
Use to store images, movies, and other files in their original, raw format in chunks of data called blobs
:primary_key
This datatype is a placeholder that Rails translates into whatever primary key datatype your database of choice requires (i.e. serial primar...
Using Transactions or SaveChanges(false) and AcceptAllChanges()?
...r the user of a problem causing a rollback. That could be writing to a log file, rethrowing the exception or returning a message to the user.
– B2K
Oct 12 '18 at 15:06
add a c...
What is the difference between concurrency and parallelism?
... multiple waiting periods where you wait for some external operations like file read, network download. In his lecture, all he is saying is, “just break up this long sequential task so that you can do something useful while you wait.” That is why he talks about different organizations with vario...
arrayfun can be significantly slower than an explicit loop in matlab. Why?
...just a small comment; back in MATLAB 6.5, cellfun was implemented as a MEX-file (with C source code available beside it). It was actually quite straightforward. Of course it only supported applying one of 6 hard-coded functions (you couldnt pass a function handle, only a string with one the function...
Why can I access private variables in the copy constructor?
...cted (if even legal) then assigned too (again, if legal)
share resources - file handles, shared memory segments, shared_ptrs to reference data etc.
take ownership of things, e.g. auto_ptr<> "moves" ownership to the object under construction
copy private "cache", calibration, or state members n...
Working Soap client example
...
Yes, if you can acquire any WSDL file, then you can use SoapUI to create mock service of that service complete with unit test requests. I created an example of this (using Maven) that you can try out.
...
Is using Random and OrderBy a good shuffle algorithm?
...note source.ToArray(); requires you to have using System.Linq; in the same file. If you don't, you get this error: 'System.Collections.Generic.IEnumerable<T>' does not contain a definition for 'ToArray' and no extension method 'ToArray' accepting a first argument of type 'System.Collections.G...