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Can you provide some examples of why it is hard to parse XML and HTML with a regex? [closed]
One mistake I see people making over and over again is trying to parse XML or HTML with a regex. Here are a few of the reasons parsing XML and HTML is hard:
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JavaScript replace/regex
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You need to double escape any RegExp characters (once for the slash in the string and once for the regexp):
"$TESTONE $TESTONE".replace( new RegExp("\\$TESTONE","gm"),"foo")
Otherwise, it looks for the end of the line and 'TESTONE' (which it never finds).
Personally, I'm not a big fan o...
What is Ruby equivalent of Python's `s= “hello, %s. Where is %s?” % (“John”,“Mary”)`
In Python, this idiom for string formatting is quite common
4 Answers
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The constant cannot be marked static
I am trying to declare a PI constant like this:
5 Answers
5
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Creating an empty file in Ruby: “touch” equivalent?
What is the best way to create an empty file in Ruby?
5 Answers
5
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Difference between double and single curly brace in angular JS?
... world, i am bit confused with the use of double curly braces {{}}
and single curly braces{} or sometime no curly brace is used to include the expression like in the directives
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How to amend a commit without changing commit message (reusing the previous one)?
Is there a way to amend a commit without vi (or your $EDITOR ) popping up with the option to modify your commit message, but simply reusing the previous message?
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Rails: How to list database tables/objects using the Rails console?
I was wondering if you could list/examine what databases/objects are available to you in the Rails console. I know you can see them using other tools, I am just curious.
Thanks.
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Javascript !instanceof If Statement
...estion really just to satisfy my curiosity, but is there a way to do something like this:
3 Answers
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How does one make an optional closure in swift?
I'm trying to declare an argument in Swift that takes an optional closure. The function I have declared looks like this:
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