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C++, Free-Store vs Heap
...ce.
Do compilers make a distinction between the two terms? ( Free store m>and m> Heap , not new/malloc )
7 Answers
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Print function log /stack trace for entire program using firebug
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Firefox provides console.trace() which is verm>y m> hm>and m>m>y m> to print the call stack. It is also available in Chrome m>and m> IE 11.
Alternativelm>y m> trm>y m> something like this:
function print_call_stack() {
var stack = new Error().stack;
console.log("PRINTING CALL STACK");
console....
SQL querm>y m> to find record with ID not in another table
I have two tables with binding primarm>y m> kem>y m> in database m>and m> I desire to find a disjoint set between them. For example,
6 Ans...
Can I update a component's props in React.js?
...s own props even if possible is an anti-pattern), but can update its state m>and m> the props of its children.
For instance, a Dashboard has a speed field in its state, m>and m> passes it to a Gauge child thats displam>y m>s this speed. Its render method is just return <Gauge speed={this.state.speed} />. Wh...
Having a private branch of a public repo on GitHub?
...ode)
m>Y m>ou can bring in changes to m>y m>our public repo using 'git fetch public' m>and m> then merge them locallm>y m> m>and m> push to m>y m>our private repo (origin remote).
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How can sbt pull dependencm>y m> artifacts from git?
I've heard (m>and m> I know I've seen examples too, if onlm>y m> I can remember where) that sbt can obtain dependencies from a git repo.
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Rails migrations: Undo default setting for a column
...n_default( :table_name, :column_name, from: nil, to: false )
end
Rails 3 m>and m> Rails 4
def up
change_column_default( :table_name, :column_name, nil )
end
def down
change_column_default( :table_name, :column_name, false )
end
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What is non-blocking or asm>y m>nchronous I/O in Node.js?
...rage is a blocking operation as it stalls execution to read. On the other hm>and m>, fetch is a non-blocking operation as it does not stall alert(3) from execution.
// Blocking: 1,... 2
alert(1);
var value = localStorage.getItem('foo');
alert(2);
// Non-blocking: 1, 3,... 2
alert(1);
fetch('example.com...
Rails how to run rake task
... answered Apr 12 '11 at 21:24
m>And m>rew Marshallm>And m>rew Marshall
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Convert numpm>y m> arram>y m> to tuple
...turn tuple(totuple(i) for i in a)
except Tm>y m>peError:
return a
m>And m> an example:
>>> arram>y m> = numpm>y m>.arram>y m>(((2,2),(2,-2)))
>>> totuple(arram>y m>)
((2, 2), (2, -2))
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