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Why does parseInt yield NaN with Array#map?
...10, in this case). Base 1 is an impossible number base, and 3 is not a valid number in base 2:
parseInt('1', 0); // OK - gives 1
parseInt('2', 1); // FAIL - 1 isn't a legal radix
parseInt('3', 2); // FAIL - 3 isn't legal in base 2
So in this case, you need the wrapper function:
['1','2','3'].m...
Does Ruby have a string.startswith(“abc”) built in method?
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Matz has said he prefers without the s as it then looks like second person singular or third person plural.
– Andrew Grimm
Nov 10 '10 at 22:58
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How to atomically delete keys matching a pattern using Redis
In my Redis DB I have a number of prefix:<numeric_id> hashes.
23 Answers
23
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What is the difference between square brackets and parentheses in a regex?
... trying to match << or >> or [[ or ]]. But from what you've said, it should be matching < or > or [ or ]. If you use | between [], do the brackets behave differently?
– Daniel Kaplan
Nov 14 '17 at 20:39
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fork() branches more than expected?
Consider the following piece of code:
3 Answers
3
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Webstorm: “Cannot Resolve Directory”
... "www" directory. Marking the www folder as the resource root finally got rid of the notices. So if your images, js, and css live under one directory, you can mark their parent directory as the Resource root.
– b01
Dec 28 '14 at 15:41
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How to undo the effect of “set -e” which makes bash exit immediately if any command fails?
...corresponding manual page (faqs.org/docs/bashman/bashref_56.html) which I didn't read to the end.
– Tianyi Cui
Aug 18 '10 at 22:22
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Why is there no std::stou?
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Do you know why the C++ Committee decided to go for such a C-ish approach? Something like boost::lexical_cast<>() seems like a more C++ way of doing things.
– Paul Manta
Jan 3 '12 at 17:27
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ASP.NET “special” tags
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The official name is "server-side scripting delimiters" or "ASP.NET inline expressions". Visual Studio 2008 syntax highlighting settings dialog calls these "HTML Server-Side Script". Microsoft guys call them "code nuggets" in their blogs.
<%@ %> i...
Should I use @EJB or @Inject
...nd this question: What is the difference between @Inject and @EJB but I did not get any wiser. I have not done Java EE before nor do I have experience with dependency injection so I do not understand what I should use?
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