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Returning multiple values from a C++ function
...vations about the pair/tuple technique. Mainly, there is often no natural order to the return values. How is the reader of the code to know whether result.first is the quotient or the remainder? And the implementer could change the order, which would break existing code. This is especially insid...
How to determine if one array contains all elements of another array
...is won't work if the intersection set has the same elements in a different order. I found this out the hard way while trying to answer this question: stackoverflow.com/questions/12062970/… later realized many smart folks had done it here already!
– CubaLibre
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Infinite Recursion with Jackson JSON and Hibernate JPA issue
...ell, one of the two sides of the relationship should not be serialized, in order to avoid the infite loop that causes your stackoverflow error.
So, Jackson takes the forward part of the reference (your Set<BodyStat> bodyStats in Trainee class), and converts it in a json-like storage format; t...
Strings as Primary Keys in SQL Database [closed]
... a primary key is that because the index is constantly put into sequential order, when a new key is created that would be in the middle of the order the index has to be resequenced... if you use an auto number integer, the new key is just added to the end of the index.
...
string.ToLower() and string.ToLowerInvariant()
...d is recommended when a collection of strings must appear in a predictable order in a user interface control.
also
...ToLower is very similar in most places to ToLowerInvariant. The documents indicate that these methods will only change behavior with Turkish cultures. Also, on Windows systems...
Is there a JavaScript strcmp()?
...
@VardaElentári: Only for characters that have no lexical ordering in the given locale. For characters that do and browsers that don't restrict what parts of Unicode they use, results are consistent and defined by ECMA-402 and Unicode.
– T.J. Crowder
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Assert equals between 2 Lists in Junit
... or with a single line: assertThat(yourList.toArray(), arrayContainingInAnyOrder(1,2,3,4,5));
– user1778602
Mar 7 '18 at 5:25
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What is token-based authentication?
... system is
simple. Allow users to enter their
username and password in order to
obtain a token which allows them to
fetch a specific resource - without
using their username and password.
Once their token has been obtained,
the user can offer the token - which
offers access to a speci...
What is the easiest/best/most correct way to iterate through the characters of a string in Java?
...
In Java 8 we can solve it as:
String str = "xyz";
str.chars().forEachOrdered(i -> System.out.print((char)i));
str.codePoints().forEachOrdered(i -> System.out.print((char)i));
The method chars() returns an IntStream as mentioned in doc:
Returns a stream of int zero-extending the cha...
Compare object instances for equality by their attributes
... the specific tip about functools should be to use the @functools.total_ordering decorator on your class, then as above you can define just __eq__ and one other and the rest will be derived
– Anentropic
Sep 8 '17 at 10:34
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