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Is short-circuiting logical operators mandated? And evaluation order?
...eful
}
Section 6.5.13 Logical AND operator of the C99 specification (PDF link) says
(4). Unlike the bitwise binary & operator, the && operator guarantees
left-to-right evaluation; there is a
sequence point after the evaluation of
the first operand. If the first
operand ...
How to free memory in Java?
...s by relying on the garbage collector.
This memory management whitepaper (PDF) may help explain what's going on.
You can also call System.gc() to suggest that the garbage collector run immediately. However, the Java Runtime makes the final decision, not your code.
According to the Java documenta...
“find: paths must precede expression:” How do I specify a recursive search that also finds files in
...scribed in @Chris J's answer, here is what worked for me
find . -name one.pdf -o -name two.txt -o -name anotherone.jpg
-o or -or is logical OR. See Finding Files on Gnu.org for more information.
I was running this on CygWin.
...
round() for float in C++
...according to http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2012/n3337.pdf)
#include <cmath>
#include <iostream>
int main(int argc, char** argv) {
std::cout << "round(0.5):\t" << round(0.5) << std::endl;
std::cout << "round(-0.5):\t" << round(-0.5)...
What database does Google use?
...the row level, but not across several row keys.
Here is the link to the PDF of the research paper.
And here you can find a video showing Google's Jeff Dean in a lecture at the University of Washington, discussing the Bigtable content storage system used in Google's backend.
...
How to clone a case class instance and change just one field in Scala?
...nd it in the Scala specification: scala-lang.org/docu/files/ScalaReference.pdf §5.3.2. It's not in the API because it's not a part of the API ;)
– Nicolas
Aug 30 '11 at 20:44
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What is PostgreSQL explain telling me exactly?
...
Explaining_EXPLAIN.pdf could help too.
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How default .equals and .hashCode will work for my classes?
... a good explanation.
For more information, see Effective Java, Chapter 3 (pdf), item 8.
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Why does C++11's lambda require “mutable” keyword for capture-by-value, by default?
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See open-std.org/JTC1/SC22/WG21/docs/papers/2008/n2651.pdf for some details.
– Johannes Schaub - litb
Mar 31 '11 at 16:08
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Trying to fix line-endings with git filter-branch, but having no luck
...tus,
unset their text attribute before
running git add -u.
manual.pdf -text
Conversely, text files that git does
not detect can have normalization
enabled manually.
weirdchars.txt text
This leverages a new --renormalize flag added in git v2.16.0, released Jan 2018. Fo...