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Why are function pointers and data pointers incompatible in C/C++?
..., even if the void* did point to the function, I suppose it would be a bad idea for people to pass it to memcpy. :-P
– ruakh
Sep 11 '12 at 12:08
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Best way to store time (hh:mm) in a database
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That's a great, simple and straighforward idea. +1
– whiskeysierra
Sep 5 '10 at 19:51
7
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Git rebase: conflicts keep blocking progress
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Here are some ideas:
Before starting the rebase, make sure you aren't in the middle of a rebase or am. Do: rm -rf .git/rebase-apply
if you use Bash, enhance your bash prompt so it always presents this information automatically
One bit ...
Remove padding or margins from Google Charts
... preset width and height attributes, but you hadn't done that. It's a good idea to preset the height and width in the HTML so that the layout of the page doesn't change when graph gets filled it. That will prevent things from "jumping around" on the page as it loads.
– Dave Bur...
Set operations (union, intersection) on Swift array?
...ther perform set operations on two arrays, or implement such logic myself (ideally as functionally and also efficiently as possible)?
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Is there such a thing as min-font-size and max-font-size?
...ing similar can be done for maximum... Could have something to do with the idea that any negative would be treated as 0. Some nested calcs or something?
– Lazar Ljubenović
Aug 12 '17 at 9:14
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What are the performance characteristics of sqlite with very large database files? [closed]
.... Each table had about 8 columns, almost all integers, and 4 indices.
The idea was to insert enough data until sqlite files were about 50GB.
Single Table
I tried to insert multiple rows into a sqlite file with just one table. When the file was about 7GB (sorry I can't be specific about row counts...
Is the pImpl idiom really used in practice?
...ter, and in that book I have learned about the pImpl idiom. Basically, the idea is to create a structure for the private objects of a class and dynamically allocate them to decrease the compilation time (and also hide the private implementations in a better manner).
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What are Aggregates and PODs and how/why are they special?
...t
private:
void f() {} // ok, just a private function
};
You get the idea. Now let's see how aggregates are special. They, unlike non-aggregate classes, can be initialized with curly braces {}. This initialization syntax is commonly known for arrays, and we just learnt that these are aggregate...
Comparing two java.util.Dates to see if they are in the same day
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@Jason That may or may not be a good idea. The main problem with Calendar is that it is a very heavyweight class with a lot of internal state, some of which is used in its equals() implementation. If you don't copmpare your dates for equality and don't put them ...