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How to escape text for regular expression in Java
Does Java have a built-in way to escape arbitrary text so that it can be included in a regular expression? For example, if my users enter "$5", I'd like to match that exactly rather than a "5" after the end of input.
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Is it possible to run selenium (Firefox) web driver without a GUI?
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What you're looking for is a headless-browser.
Yes, it's possible to run Selenium on Firefox headlessly. Here is a post you can follow.
Here is the summary steps to set up Xvfb
#install Xvfb
sudo apt-get install xvfb
#set display number to :99
Xvfb :99 -ac &
export DISP...
How can I get the version defined in setup.py (setuptools) in my package?
...file's contents in setup.py.
You could make a version.py in your package with a __version__ line, then read it from setup.py using execfile('mypackage/version.py'), so that it sets __version__ in the setup.py namespace.
If you want a much simpler way that will work with all Python versions and eve...
Unique fields that allow nulls in Django
...oo which has field bar. The bar field should be unique, but allow nulls in it, meaning I want to allow more than one record if bar field is null , but if it is not null the values must be unique.
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How to remove focus without setting focus to another control?
I like my UIs to be intuitive; each screen should naturally and unobtrusively guide the user on to the next step in the app. Barring that, I strive to make things as confusing and confounding as possible.
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Write a function that returns the longest palindrome in a given string
I thought of a solution but it runs in O(n^2) time
22 Answers
22
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Remove elements from collection while iterating
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Let me give a few examples with some alternatives to avoid a ConcurrentModificationException.
Suppose we have the following collection of books
List<Book> books = new ArrayList<Book>();
books.add(new Book(new ISBN("0-201-63361-2")));
books...
How can I beautify JavaScript code using Command Line?
I am writing a batch script in order to beautify JavaScript code. It needs to work on both Windows and Linux .
10 Answe...
Can Android Studio be used to run standard Java projects?
For those times when you want to isolate the Java and give it a quick test..
13 Answers
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How do I get the information from a meta tag with JavaScript?
...follow
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edited Oct 20 '18 at 0:55
neiker
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