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How to generate JAXB classes from XSD?
...ss the Atom feed for this blog.
Demo
In this example we will use JAXB to convert the Atom XML feed corresponding to this blog to objects and then back to XML.
import java.io.InputStream;
import java.net.URL;
import javax.xml.bind.*;
import javax.xml.transform.stream.StreamSource;
import org.w3._2...
What exactly is a C pointer if not a memory address?
...t that's not always the case:
6.3.2.3 Pointers
[...]
5. An integer may be converted to any pointer type. Except as previously specified, the result is implementation-defined, might not be correctly aligned, might not point to an entity of the referenced type, and might be a trap representation.
Th...
How can I get a count of the total number of digits in a number?
...
Without converting to a string you could try:
Math.Ceiling(Math.Log10(n));
Correction following ysap's comment:
Math.Floor(Math.Log10(n) + 1);
share
...
What does enctype='multipart/form-data' mean?
...ary and this ensures that bitstream is not altered.
text/plain: Spaces get converted, but no more encoding is performed.
Security
When submitting forms, some security concerns can arise as stated in RFC 7578 Section 7: Multipart form data - Security considerations:
All form-processing softwar...
Compare two objects' properties to find differences?
... How to get the difference of two sets?
The fastest way I've found is to convert the sets to dictionaries first, then diff 'em. Here's a generic approach:
static IEnumerable<T> DictionaryDiff<K, T>(Dictionary<K, T> d1, Dictionary<K, T> d2)
{
return from x in d1 where...
Android ListView headers
...ion.
Android will then take care of passing you the right type of View in convertView automatically.
Here what the result of the code below looks like:
First we have an interface that our two list item types will implement
public interface Item {
public int getViewType();
public Vie...
Are Exceptions in C++ really slow
...
You can never claim about performance unless you convert the code to the assembly or benchmark it.
Here is what you see: (quick-bench)
The error code is not sensitive to the percentage of occurrence. Exceptions have a little bit overhead as long as they are never thrown. ...
Does static constexpr variable inside a function make sense?
...s used in runtime contexts (in other words, the constexpr would need to be converted to const implicitly, and available with a physical address for runtime code) it will want static to ensure ODR compliance, etc. That is my understanding, at least.
– void.pointer
...
C++ unordered_map using a custom class type as the key
...am getting the following error: Error 57 error C2440: 'type cast' : cannot convert from 'const Key' to 'size_t' c:\program files (x86)\microsoft visual studio 10.0\vc\include\xfunctional. I am guessing that the compiler is not finding my hash method? Should I be adding anything to my Key.h file?
...
How can I access and process nested objects, arrays or JSON?
...ike XML, YAML, CSV, and others. To work with such data, it first has to be converted to JavaScript data types, i.e. arrays and objects (and how to work with those was just explained). How to parse JSON is explained in the question Parse JSON in JavaScript? .
Further reading material
How to access ...