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Is C++ context-free or context-sensitive?
... is (probably) Turing-complete, since it shows a program which is syntactically correct if and only if a given integer is prime.
So I assert that C++ is neither context-free nor context-sensitive.
If you allow arbitrary symbol sequences on both sides of any production, you produce an Type-0 gramma...
jQuery posting JSON
...mple scenarios, but the url-encoded message can be very problematic, especially for arrays of stuff.
– FMM
Sep 17 '12 at 19:14
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What is the difference between association, aggregation and composition?
... is owned by the object of it's owning class cannot live on it's own(Also called "death relationship"). It will always live as a part of it's owning object where as in Aggregation the dependent object is standalone and can exist even if the object of owning class is dead.
So in composition if ownin...
Difference between a user and a schema in Oracle?
...Tom
You should consider a schema to be the user account and collection of all objects therein
as a schema for all intents and purposes.
SCOTT is a schema that includes the EMP, DEPT and BONUS tables with various grants, and
other stuff.
SYS is a schema that includes tons of tables, views, grant...
Why should I use Hamcrest-Matcher and assertThat() instead of traditional assertXXX()-Methods
...ed) state four advantages :
More readable and typeable: this syntax allows you to think in terms of subject, verb, object (assert "x is 3") rather than assertEquals, which uses verb, object, subject (assert "equals 3 x")
Combinations: any matcher statement s can be negated (not(s)), combine...
Convert list to array in Java [duplicate]
...
Either:
Foo[] array = list.toArray(new Foo[0]);
or:
Foo[] array = new Foo[list.size()];
list.toArray(array); // fill the array
Note that this works only for arrays of reference types. For arrays of primitive types, use the tra...
Iterate over object keys in node.js
Since Javascript 1.7 there is an Iterator object, which allows this:
5 Answers
5
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JavaScript regex multiline flag doesn't work
...ipt 2018.
https://github.com/tc39/proposal-regexp-dotall-flag
const re = /foo.bar/s; // Or, `const re = new RegExp('foo.bar', 's');`.
re.test('foo\nbar');
// → true
re.dotAll
// → true
re.flags
// → 's'
share
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Unix shell script to truncate a large file
...
: > filename
: is a no-op in bash (POSIX-compliant), so this essentially just opens the file for writing (which of course truncates the file) and then immediately closes it.
EDIT: as shellter commented, you don't actually need a command to go along with the redirection:
$ echo foo > foo....
How to access a preexisting collection with Mongoose?
...
Where in the docs can i find this information? This really helpped but there's no place explaining the plural thing.
– StudioWorks
Apr 7 '14 at 20:31
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