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Does JavaScript guarantee object property order?
If I create an object like this:
12 Answers
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Questions every good Java/Java EE Developer should be able to answer? [closed]
...ble to answer and was highly impressed with the content and approach of this question, and so in the same spirit, I am asking this question for Java/Java EE Developer.
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Is there a way to reduce the size of the git folder?
Seems like my project is getting bigger and bigger with every git commit/push . Is there a way to clean up my git folder?
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What is the advantage of using REST instead of non-REST HTTP?
Apparently, REST is just a set of conventions about how to use HTTP . I wonder which advantage these conventions provide. Does anyone know?
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Why covariance and contravariance do not support value type
IEnumerable<T> is co-variant but it does not support value type, just only reference type. The below simple code is compiled successfully:
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bash HISTSIZE vs. HISTFILESIZE?
What is the difference in HISTSIZE vs. HISTFILESIZE ?
2 Answers
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Selecting only numeric columns from a data frame
Suppose, you have a data.frame like this:
11 Answers
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Is there a null-coalescing (Elvis) operator or safe navigation operator in javascript?
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You can use the logical 'OR' operator in place of the Elvis operator:
For example displayname = user.name || "Anonymous" .
But Javascript currently doesn't have the other functionality. I'd recommend looking at CoffeeScript if you want an alternative syntax. It has some short...
When to use reinterpret_cast?
...en the types can be interpreted at compile time hence the word static . This is the cast the C++ compiler uses internally for implicit casts also.
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What is CMake equivalent of 'configure --prefix=DIR && make all install '?
I do cmake . && make all install . This works, but installs to /usr/local .
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