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How to get year, month, day, hours, minutes, seconds and milliseconds of the current moment in Java?
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You can use the getters of java.time.LocalDateTime for that.
LocalDateTime now = LocalDateTime.now();
int year = now.getYear();
int month = now.getMonthValue();
int day = now.getDayOfMonth();
int hour = now.getHour();
int minute = now.getMinute();
int second = now....
Why is React's concept of Virtual DOM said to be more performant than dirty model checking?
I saw a React dev talk at ( Pete Hunt: React: Rethinking best practices -- JSConf EU 2013 ) and the speaker mentioned that dirty-checking of the model can be slow. But isn't calculating the diff between virtual DOMs actually even less performant since the virtual DOM, in most of the cases, should...
What does it mean to “program to an interface”?
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There are some wonderful answers on here to this questions that get into all sorts of great detail about interfaces and loosely coupling code, inversion of control and so on. There are some fairly heady discussions, so I'd like to take the opportunity to break things down a bit for understanding ...
Do htmlspecialchars and mysql_real_escape_string keep my PHP code safe from injection?
Earlier today a question was asked regarding input validation strategies in web apps .
6 Answers
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What are the obj and bin folders (created by Visual Studio) used for?
I created a new project in Visual Studio 2010 and noticed that there are now two new folders named obj and bin in my project directory.
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Difference between size_t and std::size_t
... the only difference is that C++ defines size_t in std namespace.
Please also notice that the above line also says "with the following changes" which isn't referring to size_t. Its rather referring to the new additions (mostly) made by C++ into the language (not present in C) which are also defin...
How to call an external command?
How do you call an external command (as if I'd typed it at the Unix shell or Windows command prompt) from within a Python script?
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What's the difference between IEquatable and just overriding Object.Equals()?
I want my Food class to be able to test whenever it is equal to another instance of Food . I will later use it against a List, and I want to use its List.Contains() method. Should I implement IEquatable<Food> or just override Object.Equals() ? From MSDN:
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Are lists thread-safe?
... data is not protected. For example:
L[0] += 1
is not guaranteed to actually increase L[0] by one if another thread does the same thing, because += is not an atomic operation. (Very, very few operations in Python are actually atomic, because most of them can cause arbitrary Python code to be call...
Significant new inventions in computing since 1980
...k most innovations are created in re-combining existing pieces in an original way. Each of the pieces of the WWW had existed in some form before, but the combination was obvious only in hindsight.
And I know for sure that you are using it right now.
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