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How do I test if a variable is a number in Bash?

... such contexts, you don't need to shopt extglob... that's a good thing to know! – gniourf_gniourf Feb 13 '15 at 19:49 ...
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How to mark a class as Deprecated? [duplicate]

...e it to true at the appropriate time, so those who are still using it will now get errors in their code and be forced to change. [Obsolete("Will be deprecated December 12, 2018. Use xyz instead.")] then... [Obsolete("Method was deprecated December 12, 2018. Use xyz instead.", true)]. That way it's ...
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Handling specific errors in JavaScript (think exceptions)

...nder === "unspecific") { unspecificHandler(e); } catch (e) { // don't know what to do throw e; } This gives something more akin to typed exception handling used in Java, at least syntactically. share | ...
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Convert Python program to C/C++ code? [closed]

...until 0.9.5 (included), Pythran was supporting Python 3 and Python 2.7. It now only supports Python 3." – Make42 Aug 24 at 17:12 add a comment  |  ...
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How to get index using LINQ? [duplicate]

...ad of -1 when there is no match. But let's ignore this minor annoyance for now. In fact the horrible standard solution crashes in that case and I consider returning an index that is out-of-bounds superior. What happens now is ReSharper telling me Loop can be converted into LINQ-expression. While mo...
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Alternative to google finance api [closed]

...apikey=demo DON'T Try Yahoo Finance API (it is DEPRECATED or UNAVAILABLE NOW). Here is a link to previous Yahoo Finance API discussion on StackOverflow. Here's an alternative link to Yahoo Finance API posted on Google Code. For beginners, you can generate a CSV with a simple API call: http:/...
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What is the easiest way to duplicate an activerecord record?

...initely DO NOT use clone. As other posters have mentioned the clone method now delegates to using Kernel#clone which will copy the id. Use ActiveRecord::Base#dup from now on – bradgonesurfing Aug 5 '11 at 13:57 ...
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Why is typeof null “object”?

...ll check anyway. It doesn't make intuitive sense so why would they use it? Now the change can't be added because of bad coding. – Emobe Sep 20 '19 at 14:48 add a comment ...
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Swift and mutating struct

...e manner with proper performance. They may add this feature later, but not now at least. For Objective-C programmers, mutable/immutable concepts are very familiar. In Objective-C we had two separated classes for each concept, but in Swift, you can do this with one struct. Half work. For C/C++ prog...
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Submit a form using jQuery [closed]

...lood - How should he have done it instead ? Newbies like us would like to know ? – MarcoZen Jul 21 '17 at 15:40 2 ...