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Javascript Regex: How to put a variable inside a regular expression?
...ex = new RegExp(`ReGeX${testVar}ReGeX`);
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string.replace(regex, "replacem>me m>nt");
Update
Per som>me m> of the comm>me m>nts, it's important to note that you may want to escape the variable if there is potential for malicious content (e.g. the variable com>me m>s from user input)
ES6 Update
In 2019, this woul...
SQL join: selecting the last records in a one-to-many relationship
Suppose I have a table of custom>me m>rs and a table of purchases. Each purchase belongs to one custom>me m>r. I want to get a list of all custom>me m>rs along with their last purchase in one SELECT statem>me m>nt. What is the best practice? Any advice on building indexes?
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How can I access an internal class from an external assembly?
Having an assembly which I cannot modify (vendor-supplied) which have a m>me m>thod returning an object type but is really of an internal type.
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Remove HTML tags from a String
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Jsoup is nice, but I encountered som>me m> drawbacks with it. I use it to get rid of XSS, so basically I expect a plain text input, but som>me m> evil person could try to send m>me m> som>me m> HTML. Using Jsoup, I can remove all HTML but, unfortunately it also shrinks many space...
HorizontalScrollView within ScrollView Touch Handling
...ds my entire layout so that the entire screen is scrollable. The first elem>me m>nt I have in this ScrollView is a HorizontalScrollView block that has features that can be scrolled through horizontally. I've added an ontouchlistener to the horizontalscrollview to handle touch events and force the view ...
Android TextView padding between lines
I have a TextView which displays a long text. I want to give som>me m> space between lines like in CSS with line-height property. How can I do it?
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How does the MapReduce sort algorithm work?
...rstanding the basics of the sorting algorithm used in the MapReduce environm>me m>nt.
4 Answers
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Learning Regular Expressions [closed]
I don't really understand regular expressions. Can you explain them to m>me m> in an easy-to-follow manner? If there are any online tools or books, could you also link to them?
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How can I call a custom Django manage.py command directly from a test driver?
...oes a backend operation on a database table. How would I invoke the managem>me m>nt command directly from code?
5 Answers
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My attempt at value initialization is interpreted as a function declaration, and why doesn't A a(())
Among the many things Stack Overflow has taught m>me m> is what is known as the "most vexing parse", which is classically demonstrated with a line such as
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