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Jackson: how to prevent field serialization
...nswered Feb 21 '13 at 15:48
Joe AllenJoe Allen
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How to calculate dp from pixels in android programmatically [duplicate]
I want to calculate dp from px programmatically. How to do it?
I get resolution from:
4 Answers
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Why static classes cant implement interfaces? [duplicate]
...atic methods. A class that implements an interface needs to implement them all as instance methods. Static classes can't have instance methods. QED.
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How to loop through an associative array and get the key? [duplicate]
... using PHP 5, you should avoid using foreach by reference values and since all foreaches use internal array pointer ( current($Array) ) nesting foreaches or using PHP array functions can do weird things.
– Chaoix
Jul 12 '19 at 15:13
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How do I put a variable inside a string?
...avefig('hanning(%d).pdf' % num)
The % operator, when following a string, allows you to insert values into that string via format codes (the %d in this case). For more details, see the Python documentation:
https://docs.python.org/3/library/stdtypes.html#printf-style-string-formatting
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How to get document height and width without using jquery
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You should use getBoundingClientRect as it usually works cross browser and gives you sub-pixel precision on the bounds rectangle.
elem.getBoundingClientRect()
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Difference between viewDidLoad and viewDidAppear
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viewDidLoad is called exactly once, when the view controller is first loaded into memory. This is where you want to instantiate any instance variables and build any views that live for the entire lifecycle of this view controller. However, t...
Get selected option text with JavaScript
... .innerText for .text() method operation? It is not by standards, it is totally wrong because it doesn't use .text. Where are the downvotes?
– VisioN
Feb 20 '13 at 10:11
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Real escape string and PDO [duplicate]
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You should use PDO Prepare
From the link:
Calling PDO::prepare() and PDOStatement::execute() for statements that will be issued multiple times with different parameter values optimizes the performance of your application by allowing the driver to negotiate client and/...
How to create custom exceptions in Java? [closed]
...ooException(Throwable cause) { super(cause); }
}
Methods that can potentially throw or propagate this exception must declare it:
public void calculate(int i) throws FooException, IOException;
... and code calling this method must either handle or propagate this exception (or both):
try {
int...