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Hidden Features of C++? [closed]
... that it can be used as an lvalue:
(a == 0 ? a : b) = 1;
which is shorthand for
if (a == 0)
a = 1;
else
b = 1;
Use with caution :-)
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edited Jan 7 '09 at 21:...
Will HTML5 allow web apps to make peer-to-peer HTTP connections?
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Web Sockets is not part of HTML5 anymore, but a standalone specification.
– Sergey Ilinsky
Jun 23 '09 at 12:18
8
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Use Mockito to mock some methods but not others
...will still fail, since the implementation of getValue() relies on quantity and price, rather than getQuantity() and getPrice(), which is what you've mocked.
Another possibility is to avoid mocks altogether:
@Test
public void getValueTest() {
Stock stock = new Stock(100.00, 200);
double val...
Android: Share plain text using intent (to all messaging apps)
...e as:
/*Create an ACTION_SEND Intent*/
Intent intent = new Intent(android.content.Intent.ACTION_SEND);
/*This will be the actual content you wish you share.*/
String shareBody = "Here is the share content body";
/*The type of the content is text, obviously.*/
intent.setType(...
Intel HAXM installation error - This computer does not support Intel Virtualization Technology (VT-x
...
Just follows these steps:
Go to Control Panel → Program and Feature.
Click on Turn Window Features on and off. A window opens.
Uncheck Hyper-V and Windows Hypervisor Platform options and restart your system.
Now, you can Start HAXM installation without any error.
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When do I use fabs and when is it sufficient to use std::abs?
I assume that abs and fabs are behaving different when using math.h . But when I use just cmath and std::abs , do I have to use std::fabs or fabs ? Or isn't this defined?
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Is C++ context-free or context-sensitive?
...uring-complete, since it shows a program which is syntactically correct if and only if a given integer is prime.
So I assert that C++ is neither context-free nor context-sensitive.
If you allow arbitrary symbol sequences on both sides of any production, you produce an Type-0 grammar ("unrestricted...
How can I have a newline in a string in sh?
... page:
Words of the form $'string' are treated specially. The word expands to
string, with backslash-escaped characters replaced as specified by the
ANSI C standard. Backslash escape sequences, if present, are decoded
as follows:
\a alert (bell)
\b backs...
Parse JSON in TSQL
...se CLR. It is as simple as that, unless you have a huge masochistic streak and want to write a JSON parser in SQL
Normally, folk ask for JSON output from the DB and there are examples on the internet. But into a DB?
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form serialize javascript (no framework)
...cript without jquery or any framework that allows me to serialize the form and access the serialized version?
22 Answers
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