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Regex match one of two words
...
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What does (x ^ 0x1) != 0 mean?
...++ and c#.
A bitwise XOR takes two bit patterns of equal length and performs the
logical exclusive OR operation on each pair of corresponding bits.
Exclusive OR is a logical operation that outputs true whenever both
inputs differ (one is true, the other is false).
The truth table of a...
Sharing link on WhatsApp from mobile website (not application) for Android
... which is mainly used in mobile phones.
I want to allow users to share information directly from the web page into WhatsApp.
...
Java Desktop application: SWT vs. Swing [closed]
...ary, no need for
additional native libraries
works the same way on all platforms
Integrated GUI Editor in Netbeans and Eclipse
good online tutorials by Sun/Oracle
Supported by official java extensions (like java OpenGL)
Cons Swing:
Native look and feel may behave
different from the real native
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How do I check if a string is unicode or ascii?
...re "text" ...
...then Unicode is "text-ness";
it is the abstract form of text
Have a read of McMillan's Unicode In Python, Completely Demystified talk from PyCon 2008, it explains things a lot better than most of the related answers on Stack Overflow.
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Is there a difference between “raise exception()” and “raise exception” without parenthesis?
...h raise MyException and raise MyException() do the same thing. This first form auto instantiates your exception.
The relevant section from the docs says, "raise evaluates the first expression as the exception object. It must be either a subclass or an instance of BaseException. If it is a class, t...
Difference between a SOAP message and a WSDL?
...lt;/xsd:schema>
</wsdl:types>
But the WSDL also contains more information, about which functions link together to make operations, and what operations are avaliable in the service, and whereabouts on a network you can access the service/operations.
See also W3 Annotated WSDL Examples
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What is the explanation for these bizarre JavaScript behaviours mentioned in the 'Wat' talk for Code
...cript.
The basic idea was simple JavaScript wanted to allow both of these forms:
if (u)
v;
if (x) {
y;
z;
}
To do so, two interpretations were made of the opening brace: 1. it is not required and 2. it can appear anywhere.
This was a wrong move. Real code doesn't have an opening br...
The case against checked exceptions
...pty())
and it will be painful to have to wrap in try/catch every time.
Informing the User:
Checked exceptions should be used in cases where you can imagine a useful error message being presented to the end user.
This is the "and what will you do when it happens?" question I raised above. It also...
How to extract numbers from a string in Python?
...s will not recognize floats, negative integers, or integers in hexadecimal format. If you can't accept these limitations, jmnas's answer below will do the trick.
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