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Why aren't pointers initialized with NULL by default?
...ion point was he/she needed to perform some operation and then assign.
So now we have the situation that the compiler has added an extra instruction to the code that initializes the variable to NULL then later the developer code is added to do the correct initialization. Or under other conditions t...
Are there best practices for (Java) package organization? [closed]
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I was following the first style. but now i have to jump from one package to another when working with classes. it really makes a bad experience. I am now switching to second style because i think it will be easier to follow related classes together.
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undefined reference to boost::system::system_category() when compiling
...y's features).
Starting from Boost 1.66 and this commit, this behavior is now the default, so hopefully fewer and fewer users should need this answer.
As noticed by @AndrewMarshall, an alternative is to define BOOST_ERROR_CODE_HEADER_ONLY which enables a header-only version of the code. This was d...
How to remove a field from params[:something]
...hash from scratch. This is why @Gaul said it is a bad idea. In Rails 5 you now have params.except method and also extract!
– rmcsharry
Sep 26 '16 at 21:05
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The application was unable to start correctly (0xc000007b)
I have a client/server app which I have been developing on a single PC. Now it needs two serial ports, so I borrowed a PC from a friend.
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How do I perform the SQL Join equivalent in MongoDB?
...mmend specific use cases for $lookup, but at least as of 3.2 doing join is now possible with MongoDB.
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How to set selected item of Spinner by value, not by position?
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I know this is very old, but this now throws an unchecked call to getPosition(T)
– Brad Bass
Oct 2 '14 at 12:40
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How does virtual inheritance solve the “diamond” (multiple inheritance) ambiguity?
...ally inherit A. D's object size is increased because it stores 2 pointers now; however there is only one A now.
So B::A and C::A are the same and so there can be no ambiguous calls from D. If you don't use virtual inheritance you have the second diagram above. And any call to a member of A the...
How to sort a dataFrame in python pandas by two or more columns?
...n a future version of pandas. The way to sort a dataframe by its values is now is DataFrame.sort_values
As such, the answer to your question would now be
df.sort_values(['b', 'c'], ascending=[True, False], inplace=True)
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ERROR ITMS-9000: “Redundant Binary Upload. There already exists a binary upload with build version '
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I don't know why people are putting a float in build number.
The standard way in my opinion is to put an integer in build number and a float or dotted string for version.
i.e.
Version: 1.0.0
Build: 2
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