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Java : Comparable vs Comparator [duplicate]
...ts Comparable, the compareTo method of the class is defining the "natural" ordering of that object. That method is contractually obligated (though not demanded) to be in line with other methods on that object, such as a 0 should always be returned for objects when the .equals() comparisons return t...
SQLAlchemy versioning cares about class import order
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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Returning a C string from a function
...t's so fundamental to C & C++, but little more discussion should be in order.
In C (& C++ for that matter), a string is just an array of bytes terminated with a zero byte - hence the term "string-zero" is used to represent this particular flavour of string. There are other kinds of strings,...
Does a foreign key automatically create an index?
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Say you have a big table called orders, and a small table called customers. There is a foreign key from an order to a customer. Now if you delete a customer, Sql Server must check that there are no orphan orders; if there are, it raises an error.
To check ...
Is it possible to run one logrotate check manually?
...e(s) even if they do not meet the specified criteria such as minsize, age, etc.
– xofer
Jun 5 '13 at 21:28
4
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libpthread.so.0: error adding symbols: DSO missing from command line
... \
-lrt -lm -lpthread
Explanation: the linking is dependent on the order of modules. Symbols are first requested, and then linked in from a library that has them. So you have to specify modules that use libraries first, and libraries after them. Like this:
gcc x.o y.o z.o -la -lb -lc
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Build an ASCII chart of the most commonly used words in a given text [closed]
...ray of words
(1@ #takes the first word in the array, pushes a 1, reorders stack
#the 1 is the current number of occurrences of the first word
{ #loop through the array
.3$>1{;)}if#increment the count or push the next word and a 1
}/
]2/ #gather stack into an...
How to change the name of a Django app?
...y -- no problems with the existing historical migrations. Do the steps in order, and propagate the changes everywhere before moving to the following step.
– user85461
Sep 30 '19 at 18:11
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Object.getOwnPropertyNames vs Object.keys
... least with nodejs) "getOwnPropertyNames" function does not guarantee keys order, that's why I usually use "keys" function :
Object.keys(o).forEach(function(k) {
if (!o.propertyIsEnumerable(k)) return;
// do something...
});
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Best way to randomize an array with .NET
...and I'd like to create a new Array with the same strings but in a random order.
17 Answers
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