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Why can't I initialize non-const static member or static array in class?

...tic const integers can be treated as compile time constants. The compiler knows that the integer value will not change anytime and hence it can apply its own magic and apply optimizations, the compiler simply inlines such class members i.e, they are not stored in memory anymore, As the need of being...
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Skip List vs. Binary Search Tree

I recently came across the data structure known as a skip list . It seems to have very similar behavior to a binary search tree. ...
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Efficiency of Java “Double Brace Initialization”?

... }}); }}; return source; } } The returned Map will now contain a reference to the enclosing instance of ReallyHeavyObject. You probably don't want to risk that: Image from http://blog.jooq.org/2014/12/08/dont-be-clever-the-double-curly-braces-anti-pattern/ 3. You can pret...
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Under what circumstances is an SqlConnection automatically enlisted in an ambient TransactionScope T

...t if not all answers on my own, since no one else replied. Please let me know if I've missed anything. Q1. Yes, unless "enlist=false" is specified in the connection string. The connection pool finds a usable connection. A usable connection is one that's not enlisted in a transaction or one that'...
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How can I create a copy of an object in Python?

... @AaronHall Thanks for letting me know! This certainly isn't the greatest answer I wrote, but I kind of agree with the decision that it should not be forcibly deleted. I'll brush it up a bit, but since there are already answers with all the details (notably yo...
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What is the difference between the $parse, $interpolate and $compile services?

...king use of $interpolate (among other things) to do its job. $interpolate knows how to process a string with embedded interpolation expressions, ex.: /path/{{name}}.{{extension}}. In other words it can take a string with interpolation expressions, a scope and turn it into the resulting text. One can...
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How can I use a Python script in the command line without cd-ing to its directory? Is it the PYTHONP

...script does succeed in importing my modules from my custom PYTHONPATH. And now I understand the difference: it is all about script vs. module; command script call vs. python import. Yes, I will in fact use export PATH=$PATH:/home/etc – Randy Skretka Nov 11 '13 ...
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What does FrameLayout do?

... screen. Your explanation made the 3D nature of "on top" click for me and now I get it. Thank you very much :) – Slartibartfast Apr 6 '18 at 5:47 1 ...
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What is 'Pattern Matching' in functional languages?

...a functional language, the datatypes that you define are usually what are known as discriminated unions or algebraic data types. For instance, what's a (linked) list? A linked list List of things of some type a is either the empty list Nil or some element of type a Consed onto a List a (a list of...
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Using Spring MVC Test to unit test multipart POST request

...er for saving autos. I have verified that this works when I use e.g. cURL. Now I want to unit test the method with Spring MVC Test. I have tried to use the fileUploader, but I am not managing to get it working. Nor do I manage to add the JSON part. ...