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Array vs. Object efficiency in JavaScript
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@Moshe And thereby all discussion about performance in Javascript should be done. :P
– deceze♦
Jun 25 '13 at 11:18
10
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How to print an exception in Python?
...on. Thus I strongly prefer printing the traceback as in the solution below by @Cat Plus Plus! E.g. I had an issue with an invalid unicode character during XML parsing and printing the exception showed only "invalid character" or so. Not very helpful. The full trace showed "UnicodeEncodeError: chara...
What is the optimal Jewish toenail cutting algorithm?
...simply put their feet in it and run it instead of having to manually do it by biting them or using nail clippers.
6 Answers...
How to declare a variable in MySQL?
...r-defined variables are session-specific. That is, a user
variable defined by one client cannot be seen or used by other
clients.
They can be used in SELECT queries using Advanced MySQL user variable techniques.
Local Variables (no prefix) :
Local variables needs to be declared using DECLARE befor...
Why are Python's 'private' methods not actually private?
...es us the ability to create 'private' methods and variables within a class by prepending double underscores to the name, like this: __myPrivateMethod() . How, then, can one explain this
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Why does Razor _layout.cshtml have a leading underscore in file name?
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That's how Ruby on Rails does it (Partials start with a _ but the Render Partial call does not include the _), and ASP.net MVC has drawn heavy inspiration from it.
No technical reason really, just a convention to clearly show the intent ...
Why isn't the size of an array parameter the same as within main?
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In C++ you can pass the array by reference to the function but you cannot do that in C.
– Prasoon Saurav
Dec 29 '09 at 15:32
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Filter dataframe rows if value in column is in a set list of values [duplicate]
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@dbyte: You just use the ~ operator: rpt[~rpt['STK_ID'].isin(stk_list)]
– BrenBarn
Jun 26 '13 at 17:43
1
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Prefer composition over inheritance?
...ve from Airplane.
Does TypeB want only some/part of the behavior exposed by TypeA? Indicates need for Composition.
e.g. A Bird may need only the fly behavior of an Airplane. In this case, it makes sense to extract it out as an interface / class / both and make it a member of both classes.
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Swift - which types to use? NSString or String
...ObjectiveC().length for example. You can also cast a String to an NSString by using str as NSString.
However, the necessity for these techniques to explicitly use the Foundation types, or at least some of them, may be obsolete in the future, since from what is stated in the language reference, the ...