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PHP Multidimensional Array Searching (Find key by specific value)
... $field, $value)
{
foreach($products as $key => $product)
{
if ( $product[$field] === $value )
return $key;
}
return false;
}
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What does “default” mean after a class' function declaration?
... the compiler-generated version of that function, so you don't need to specify a body.
You can also use = delete to specify that you don't want the compiler to generate that function automatically.
With the introduction of move constructors and move assignment operators, the rules for when automat...
How to check whether a string contains a substring in Ruby
...
You can use the include? method:
my_string = "abcdefg"
if my_string.include? "cde"
puts "String includes 'cde'"
end
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Can PNG image transparency be preserved when using PHP's GDlib imagecopyresampled?
...
This solution, in my case GD works fine ONLY if PNG has a "regular" transparency area, like a surrounding transparent area, if it has a complex area, like with inner parts of the image with transparency, it always fails and puts black background, for example this image ...
How to call methods dynamically based on their name? [duplicate]
...just use public_send:
method_name = 'foobar'
obj.public_send(method_name) if obj.respond_to? method_name
If the method is private/protected, use send instead, but prefer public_send.
This is a potential security risk if the value of method_name comes from the user. To prevent vulnerabilities, yo...
What is the difference between a static and a non-static initialization code block
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The code block with the static modifier signifies a class initializer; without the static modifier the code block is an instance initializer.
Class initializers are executed in the order they are defined (top down, just like simple variable initializers) w...
new keyword in method signature
...wo(); // Calls implementation in B
Override can only be used in very specific cases. From MSDN:
You cannot override a non-virtual or
static method. The overridden base
method must be virtual, abstract, or
override.
So the 'new' keyword is needed to allow you to 'override' non-virtual ...
When should I use GC.SuppressFinalize()?
...= false;
protected virtual void Dispose(bool disposing)
{
if (!disposed)
{
if (disposing)
{
// called via myClass.Dispose().
// OK to use any private object references
}
// Release unmanaged res...
Remove substring from the string
I am just wondering if there is any method to remove string from another string?
Something like this:
10 Answers
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Compare two objects in Java with possible null values
...ts - making it more generic? And then it is the same as what you will get if you move to Java 7.
– Tom
Nov 7 '13 at 18:31
3
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