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Where and why do I have to put the “template” and “typename” keywords?
...t, so that you need the keyword less often. Note that in your example, the token is ambiguous and only after you have seen ">" after double, you can disambiguate it as a template angle bracket. For further details, I'm the wrong person to ask, because I have no experience in implementing a C++ co...
What to do Regular expression pattern doesn't match anywhere in string?
... question. And is parsing the proper term here? Afaics the regex are doing tokenizing/lexical analysis, but the final parsing done with Perl code, not the regex themselves.
– Qtax
Dec 27 '11 at 15:02
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How do I prevent site scraping? [closed]
... the bad one. If you want to prevent this kind of thing, you need to add a token associated with IP in the URL. Something like jail.php?t=hoeyvm and in database you have an association of hoeyvm and the IP who requested the page.
– HoLyVieR
Jul 5 '10 at 12:41
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How do you validate a URL with a regular expression in Python?
I'm building an app on Google App Engine. I'm incredibly new to Python and have been beating my head against the following problem for the past 3 days.
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Dynamically update values of a chartjs chart
I created an basic bar chart using chartjs and it works fine. Now I want to update the values on a time based interval. My problem is that after I created the chart, I do not know how to update its values correctly...
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What does ||= (or-equals) mean in Ruby?
What does the following code mean in Ruby?
23 Answers
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Why doesn't GCC optimize a*a*a*a*a*a to (a*a*a)*(a*a*a)?
I am doing some numerical optimization on a scientific application. One thing I noticed is that GCC will optimize the call pow(a,2) by compiling it into a*a , but the call pow(a,6) is not optimized and will actually call the library function pow , which greatly slows down the performance. (In ...
Lodash - difference between .extend() / .assign() and .merge()
In the Lodash library, can someone provide a better explanation of merge and extend / assign .
5 Answers
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How to test valid UUID/GUID?
How to check if variable contains valid UUID/GUID identifier?
12 Answers
12
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RegEx for matching UK Postcodes
I'm after a regex that will validate a full complex UK postcode only within an input string. All of the uncommon postcode forms must be covered as well as the usual. For instance:
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