大约有 20,000 项符合查询结果(耗时:0.0446秒) [XML]
mongodb/mongoose findMany - find all documents with IDs listed in array
... Kind of late to this discussion, but how would you ensure the order of the items returned matches the order of the array of items you provide in the array? Documents are not guaranteed to come out in any order unless you specify a sort. What if you want them sorted in the same order you...
Is embedding background image data into CSS as Base64 good or bad practice?
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In order to avoid multiple classes and only specify a sprite sheet once, you could use an attribute selector: [emoji] {background-image: url(data:image/png;base64,qwedfcsfrtgyu/=);} [emoji=happy] {background-position: -20px 0px;...
Storing time-series data, relational or non?
...has to handle ~3 million measures with a 1 minute frequency? How would you order the PK for such a table? Wouldn't Device, Metric, DateTime create fragmentation and force the RDBMS to lots of page split? Instead putting DateTime first would reduce fragmentation (I'm assuming time ordered inserts) bu...
In what areas might the use of F# be more appropriate than C#? [closed]
...nto the calculation engine was in the form of vectors and matrices. Higher order functions eat these for breakfast with minimal fuss, minimal code. Beautiful.
Lack of bugs Functional programming can feel strange. I can be working on an algorithm, trying hard to get the code to pass the type checker...
Best way to extract a subvector from a vector?
...irely clear; and it gets worse if the length and start_pos are of the same order of magnitude.)
Anyway, remember that this is not a copy, it's just a view of the data in the vector, so be careful. If you want an actual copy, you could do:
std::vector<T> new_vec(my_subspan.cbegin(), my_subspan....
Google OAuth 2 authorization - Error: redirect_uri_mismatch
... to set 'oauth2_redirect_uri' => 'postmessage' in the google API config.php file.
– user2998553
Jun 22 '14 at 18:50
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Best XML parser for Java [closed]
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java-samples.com/showtutorial.php?tutorialid=152 (personally love SAX)
– kitokid
Dec 15 '12 at 6:42
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What does O(log n) mean exactly?
...rinter's office, and our phone book had all its pages inserted in a random order. Fix the ordering so that it's correct by looking at the first name on each page and then putting that page in the appropriate spot in a new, empty phone book.
For the below examples, we're now at the printer's office...
How do I manage conflicts with git submodules?
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This worked for me. I'm still figuring what they did in order to damage the submodule
– Checo R
May 31 '17 at 21:26
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How to serialize SqlAlchemy result to JSON?
...inst cases where a relationship is repeated? For example, if I have online_order and address, both with a relationship to user, but online_order also has an relationship to address. If I wanted to serialize all of this, I'd have to include address in the fields_to_expand, but I wouldn't want to redu...