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In Windows Azure: What are web role, worker role and VM role?
...pplication in Windows Azure, so I created a web role. I actually want to know what these roles are for. What is their significance coding wise or storage wise?
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In Java, how do I convert a byte array to a string of hex digits while keeping leading zeros? [dupli
... No external dependencies, nice & short. Plus, if you know you have 16 bytes / 32 hex digits, your solution condenses to an easy one-liner. Cool!
– Roboprog
Apr 6 '13 at 1:06
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What is the logic behind the “using” keyword in C++?
...the using keyword can bring member functions into scope. In C++11, you can now do this for constructors (another Bjarne Stroustrup example):
class Derived : public Base {
public:
using Base::f; // lift Base's f into Derived's scope -- works in C++98
void f(char); // provide a new f ...
PHP MySQL Google Chart JSON - Complete Example
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Thanks a lot! it works now. can you tell me how to customize the table? where can I get info about this? because i have a long data range, the graph is very small and dense.
– Max
May 7 '18 at 8:08
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Facebook Graph API, how to get users email?
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thank you for this.. nothing else worked except this. now it's working fine! :)
– supersan
Jul 11 '18 at 17:45
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How do I get class name in PHP?
...function getClass()
{
return get_class();
}
}
Now you can do:
$className = MyClass::getClass();
This is somewhat limited, however, because if my class is extended it will still return 'MyClass'. We can use get_called_class instead, which relies on Late Static Binding...
Removing trailing newline character from fgets() input
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Perhaps the simplest solution uses one of my favorite little-known functions, strcspn():
buffer[strcspn(buffer, "\n")] = 0;
If you want it to also handle '\r' (say, if the stream is binary):
buffer[strcspn(buffer, "\r\n")] = 0; // works for LF, CR, CRLF, LFCR, ...
The function cou...
PreparedStatement with list of parameters in a IN clause [duplicate]
...the select string (the 'IN (?)' part) by a simple for loop as soon as you know how many values you need to put inside the IN clause. You can then instantiate the PreparedStatement.
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Vertically align text within a div [duplicate]
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Update April 10, 2016
Flexboxes should now be used to vertically (or even horizontally) align items.
body {
height: 150px;
border: 5px solid cyan;
font-size: 50px;
display: flex;
align-items: center; /* Vertical center alignment */
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Xcode 5 - “iOS Simulator failed to install application” every time I switch simulators
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Looks like this is a known issue. From the Xcode 5 release notes:
After switching the minimum deployment target of an application from
iOS 7.0 to a release prior to iOS 7.0, building and running the
application may fail with the message ...