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Why is 'this' a pointer and not a reference?
...uld argue it either way. But C++ evolved gradually in response to feedback from a community of users (like most successful things). The value of backward compatibility totally overwhelms the minor advantages/disadvantages stemming from this being a reference or a pointer.
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How can I close a Twitter Bootstrap popover with a click from anywhere (else) on the page?
...nd it works great. Was as easy as just changing an existing popover's rel from "popover" to "clickover".
– Dmase05
Dec 12 '12 at 18:20
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Why would one use nested classes in C++?
... Node as other people may decide to use the class and that would hinder me from updating my class as anything exposed is part of the public API and must be maintained forever. By making the class private, I not only hide the implementation I am also saying this is mine and I may change it at any tim...
Do unix timestamps change across timezones?
...tamp itself is not UTC, the timestamp is a number of (milli)seconds passed from a reference point in time. The reference point for the Unix timestamp (the Unix epoch) is the one that's UTC: 00:00:00 UTC 1970.01.01
– Sandman
Apr 19 '14 at 19:44
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I need to pop up and trash away a “middle” commit in my master branch. How can I do it?
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Rebase or revert are the options. Rebase will actually remove the commit from the history so it will look like that second commit never existed. This will be a problem if you've pushed the master branch out to any other repos. If you try to push after a rebase in this case, git will give you a rej...
How do you rebase the current branch's changes on top of changes being merged in?
...ay. If I'm on a branch (say working ), and I want to merge in the changes from another branch (say master ), then I run the command git-merge master while on the working branch, and the changes get merged in without rebasing the history at all. If I run git-rebase master , then the changes in...
Which characters make a URL invalid?
...;">
The character "#" is excluded because it is used to delimit a URI from a fragment identifier. The percent character "%" is excluded because it is used for the encoding of escaped characters. In other words, the "#" and "%" are reserved characters that must be used in a specific context.
Li...
Get host domain from URL?
how to get host domain from a string URL?
9 Answers
9
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Thread pooling in C++11
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This is copied from my answer to another very similar post, hope it can help:
1) Start with maximum number of threads a system can support:
int Num_Threads = thread::hardware_concurrency();
2) For an efficient threadpool implementation...
Boolean operators && and ||
...o see if all or any of the comparisons are true, respectively. The results from these functions are sure to be length 1 so they are appropriate for use in if clauses, while the results from the vectorized comparison are not. (Though those results would be appropriate for use in ifelse.
One final d...