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Unable to forward search Bash history similarly as with CTRL-r
I am trying to search my bash history similarly as with CTRL - r , but to forward direction.
4 Answers
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Should I learn C before learning C++? [closed]
...-year projects from undergraduate students. One was particularly good - a sort of FPS asteroids game. I decided to take a peek in the src directory to find it was done in C++ (most of the other projects were Java 3D apps).
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How to use Greek symbols in ggplot2?
My categories need to be named with Greek letters. I am using ggplot2 , and it works beautifully with the data. Unfortunately I cannot figure out how to put those greek symbols on the x axis (at the tick marks) and also make them appear in the legend. Is there any way to do it?
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Is the safe-bool idiom obsolete in C++11?
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Yes. This is the example for problems with only having implicit user-defined conversions and explicit user-defined conversion operators were practically invented because of this problem and to replace all the safe-bool stuff with something a lot clean...
Convert blob URL to normal URL
...t%3A8383/568233a1-8b13-48b3-84d5-cca045ae384f" How can I convert it to a normal address?
4 Answers
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How to discard local commits in Git?
I'd been working on something, and decided it was completely screwed...after having committed some of it. So I tried the following sequence:
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String.replaceAll without RegEx
...a previous match. Is it possible to add escapes to the pattern that I have or is there a version of replaceAll() in another class which accepts a literal string instead of a pattern?
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?: operator (the 'Elvis operator') in PHP
...docode,
foo = bar ?: baz;
roughly resolves to
foo = bar ? bar : baz;
or
if (bar) {
foo = bar;
} else {
foo = baz;
}
with the difference that bar will only be evaluated once.
You can also use this to do a "self-check" of foo as demonstrated in the code example you posted:
foo = foo...
Add Variables to Tuple
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While trying to add to the DB, I am thinking of creating tuples out of information and then add them to the DB.
8 Answers...
What is the difference between _tmain() and main() in C++?
...ot exist in C++. main does.
_tmain is a Microsoft extension.
main is, according to the C++ standard, the program's entry point.
It has one of these two signatures:
int main();
int main(int argc, char* argv[]);
Microsoft has added a wmain which replaces the second signature with this:
int wmain...