大约有 16,000 项符合查询结果（耗时：0.0264秒） [XML]
How to ignore certain files in Git
...ly make my point more clear, the index initially (that is, right after git read-tree) "contains" all the files from the tree-ish which had just been read in. Hence making Git "turn a blind eye" to an index entry does not equal actually removing it.
– Xman Classical
...
Why is iterating through a large Django QuerySet consuming massive amounts of memory?
...you have everything in memory, and the results come spilling out.
From my reading of the docs, iterator() does nothing more than bypass QuerySet's internal caching mechanisms. I think it might make sense for it to a do a one-by-one thing, but that would conversely require ten-million individual hi...
MySQL order by before group by
...e correcly sorting the rows before the GROUP BY. But unfortunately, if you read the documentation carefully, you'll notice that this assumption is not true.
When selecting non-aggregated columns that are not always the same, MySql is free to choose any value, so the resulting value that it actually...
Explanation of BASE terminology
...
The CAP "theorem" is dissected mathematically (but very readably) and discussed in a uniquely intelligent way by Mark Burgess, whose article I'm in progress reading. (I was linked there in the first place by Wikipedia.)
– Wildcard
Mar 28 '16...
write a shell script to ssh to a remote machine and execute commands
...currently:
pssh -i -h hosts.txt -p 100 -t 0 sleep 10000
Options:
-I: Read input and sends to each ssh process.
-P: Tells pssh to display output as it arrives.
-h: Reads the host's file.
-H : [user@]host[:port] for single-host.
-i: Display standard output and standard error as each host...
Lambda capture as const reference?
...XXX";
[&better_string](string s) {
better_string = s; // error: read-only area.
}
lambda function is const(can't change value in its scope), so when you capture variable by value, the variable can not be changed, but the reference is not in the lambda scope.
...
When should I use jQuery's document.ready function?
I was told to use document.ready when I first started to use Javascript/jQuery but I never really learned why.
8 Answers
...
“Single-page” JS websites and SEO
...mantically rich markup that is "accessible" (i.e. can be accessed, viewed, read, processed, or otherwise used) to all these different browsers. A screen reader, a search engine crawler or a user with JavaScript enabled, should all be able to use/index/understand your site's core functionality withou...
pull/push from multiple remote locations
...r" does the same thing, although it will do a fetch first (and if you've already done git remote update, that won't have anything more to fetch, so it's redundant). Yes, you can say "git push foo" and it will push all matching branches to the remote called "foo".
– araqnid
...
How can I prevent the scrollbar overlaying content in IE10?
...device-width;
}
This snippet is what's causing the behavior. I recommend reading the links listed in the commented code above. (They were added after I initially posted this answer.)
share
|
impro...