... the original iterator method, the Enumerator can also return the elements one by one if you call next on it repeatedly: irb(main):001:0> e = "abc".chars => #<Enumerator: "abc":chars> irb(main):002:0> e.next => "a" irb(main):003:0> e.next => "b" irb(main):004:0> e.next =&...

...lem, there is no "should" involved. If the undefined behavior changes when one of the involved variables is declared volatile, that doesn't prove or change anything. It is undefined; you cannot reason about the behavior. Your most interesting-looking example, the one with u = (u++); is a text-bo...

... There is one slight difference, if you happen to declare more than one variable in the same declaration: int[] a, b; // Both a and b are arrays of type int int c[], d; // WARNING: c is an array, but d is just a regular int Note t...

Very simple example - one table, one index, one query: 4 Answers 4 ...

...tom colours for markers, but I can't get it to use the default marker (the one you get when you do a google maps search - with a dot in the middle), it just seems to provide markers with a letter in, or with a special icon. ...

... You use the cherry-pick command to get individual commits from one branch. If the change(s) you want are not in individual commits, then use the method shown here to split the commit into individual commits. Roughly speaking, you use git rebase -i to get the original commit to edit, the...

... TL;DR Either change the collation of one (or both) of the strings so that they match, or else add a COLLATE clause to your expression. What is this "collation" stuff anyway? As documented under Character Sets and Collations in General: A character set i...

...he list of cases. Like the Go select statement, it blocks until at least one of the cases can proceed, makes a uniform pseudo-random choice, and then executes that case. It returns the index of the chosen case and, if that case was a receive operation, the value received and a boolean indica...

... than O(N^2) performance). I'll still use sum(..., []) when I want a quick one-liner or I'm in a hurry, or when the number of terms being combined is bounded (e.g. <= 10). – ninjagecko Aug 8 '12 at 16:41 ...

... Iteration is a general term for taking each item of something, one after another. Any time you use a loop, explicit or implicit, to go over a group of items, that is iteration. In Python, iterable and iterator have specific meanings. An iterable is an object that has an __iter__ method...