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How to check whether a given string is valid JSON in Java
How do I validate a JSON string in Java? Or could I parse it using regular expressions?
19 Answers
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jQuery datepicker set selected date, on the fly
...ed date of jquery Date picker dynamically on the fly?
I have say created a inline date picker.
Then after some time, I want to reflect a different date there without recreating the datepicker from the scratch.
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Can enums be subclassed to add new elements?
I want to take an existing enum and add more elements to it as follows:
15 Answers
15
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Random number generation in C++11: how to generate, how does it work? [closed]
I recently came across new way to generate random numbers in C++11, but couldn't digest the papers that I read about it (what is that engine , maths term like distribution , "where all integers produced are equally likely ").
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Begin, Rescue and Ensure in Ruby?
I've recently started programming in Ruby, and I am looking at exception handling.
7 Answers
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How can I get the source code of a Python function?
Suppose I have a Python function as defined below:
12 Answers
12
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What are all the different ways to create an object in Java?
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There are four different ways to create objects in java:
A. Using new keyword
This is the most common way to create an object in java. Almost 99% of objects are created in this way.
MyObject object = new MyObject();
B. Using Class.forName()
If we know the name of the ...
How to check if a file exists in Documents folder?
I have an application with In-App Purchase, that when the user buy something, download one html file into the Documents folder of my app.
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Regex for string not ending with given suffix
I have not been able to find a proper regex to match any string not ending with some condition. For example, I don't want to match anything ending with an a .
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Conversion from Long to Double in Java
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Don't need any string parsing there: Long.valueOf(15552451L).doubleValue() if you want to go via Long. Note this is the same, internally, as the cast from a double, except that you're doing some auto/unboxing.
– Joe Kearn...