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How to convert a Java 8 Stream to an Array?
...est method is to use the toArray(IntFunction<A[]> generator) method with an array constructor reference. This is suggested in the API documentation for the method.
String[] stringArray = stringStream.toArray(String[]::new);
What it does is find a method that takes in an integer (the size) a...
How can I reset or revert a file to a specific revision?
I have made some changes to a file which has been committed a few times as part of a group of files, but now want to reset/revert the changes on it back to a previous version.
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C++, variable declaration in 'if' expression
...ble:
if (int a = Func1(), b = Func2(); a && b)
{
// Do stuff with a and b.
}
Note the use of ; of instead of , to separate the declaration and the actual condition.
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Email validation using jQuery
I'm new to jQuery and was wondering how to use it to validate email addresses.
35 Answers
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How to check if AlarmManager already has an alarm set?
When my app starts, I want it to check if a particular alarm (registered via AlarmManager) is already set and running. Results from google seem to indicate that there is no way to do this. Is this still correct? I need to do this check in order to advise the user before any action is taken to create...
Why is Java's SimpleDateFormat not thread-safe? [duplicate]
Please tell with a code example why is SimpleDateFormat not threadsafe. What is the problem in this class?
Is The problem with format function of SimpleDateFormat ?
Please give a code which demonstrates this fault in class.
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Pretty-Print JSON Data to a File using Python
A project for class involves parsing Twitter JSON data. I'm getting the data and setting it to the file without much trouble, but it's all in one line. This is fine for the data manipulation I'm trying to do, but the file is ridiculously hard to read and I can't examine it very well, making the code...
Python dictionary from an object's fields
... you know if there is a built-in function to build a dictionary from an arbitrary object? I'd like to do something like this:
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How to do a SOAP Web Service call from Java class?
... me, my problem is that I was given a library(jar) which I have to extend with some webservice functionality.
3 Answers
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Reverse Range in Swift
Is there a way to work with reverse ranges in Swift?
7 Answers
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