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Append a Lists Contents to another List C#
...t declare the list object using the interface (IList).
Documentation: List<T>.AddRange(IEnumerable<T>).
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Downcasting shared_ptr to shared_ptr?
...dynamic_pointer_cast. It is supported by std::shared_ptr.
std::shared_ptr<Base> base (new Derived());
std::shared_ptr<Derived> derived =
std::dynamic_pointer_cast<Derived> (base);
Documentation: https://en.cppreference.com/w/cpp/memory/shared_ptr/pointer_cast
Als...
Turn off textarea resizing
...ing its width and height.
/* One can also turn on/off specific axis. Defaults to both on. */
textarea { resize:vertical; } /* none|horizontal|vertical|both */
See Demo
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How to detect Windows 64-bit platform with .NET?
...d Dec 3 '08 at 10:15
Stefan SchultzeStefan Schultze
8,21266 gold badges3131 silver badges3737 bronze badges
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How to get the separate digits of an int number?
...int the numbers in the correct order:
int number; // = and int
LinkedList<Integer> stack = new LinkedList<Integer>();
while (number > 0) {
stack.push( number % 10 );
number = number / 10;
}
while (!stack.isEmpty()) {
print(stack.pop());
}
...
Interactive search/replace regex in Vim?
...c
will give you a yes/no prompt at each occurrence of 'old'.
Vim's built-in help offers useful info on the options available once substitution with confirmation has been selected. Use:
:h :s
Then scroll to section on confirm options. Screenshot below:
For instance, to substitute this and ...
How do I get an object's unqualified (short) class name?
...ectionClass voodoo in my application because it can lead to unexpected results if mis-used (protected methods becoming public, etc.). You can use simple string replacement on PHP magic constants instead: str_replace(__NAMESPACE__ . '\\', '', __CLASS__);. It's also much faster, performance-wise.
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How to convert image to byte array
...ter _imageConverter = new ImageConverter();
Image to byte array:
/// <summary>
/// Method to "convert" an Image object into a byte array, formatted in PNG file format, which
/// provides lossless compression. This can be used together with the GetImageFromByteArray()
/// method to...
Does delete on a pointer to a subclass call the base class destructor?
...r making this lifetime management much easier:
class A
{
shared_array<char> someHeapMemory;
public:
A() : someHeapMemory(new char[1000]) {}
~A() { } // someHeapMemory is delete[]d automatically
};
class B
{
shared_ptr<A> APtr;
public:
B() : APtr(new A()) {}
~B()...
Trigger 404 in Spring-MVC controller?
...usException(NOT_FOUND, "Unable to find resource");
Also, you can cover multiple scenarios with one, built-in exception and you have more control.
See more:
ResponseStatusException (javadoc)
https://www.baeldung.com/spring-response-status-exception
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