大约有 40,000 项符合查询结果(耗时:0.0735秒) [XML]

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Best practice for partial updates in a RESTful service

...system and I am trying to find the best practice for updating records partially. For example, I want the caller to be able to read the full record with a GET request. But for updating it only certain operations on the record are allowed, like change the status from ENABLED to DISABLED. (I have more ...
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The current SynchronizationContext may not be used as a TaskScheduler

I am using Tasks to run long running server calls in my ViewModel and the results are marshalled back on Dispatcher using TaskScheduler.FromSyncronizationContext() . For example: ...
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PostgreSQL: insert from another table

... Just supply literal values in the SELECT: INSERT INTO TABLE1 (id, col_1, col_2, col_3) SELECT id, 'data1', 'data2', 'data3' FROM TABLE2 WHERE col_a = 'something'; A select list can contain any value expression: But the expressions in the select list do not have to reference any columns i...
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A gentle tutorial to Emacs/Swank/Paredit for Clojure

I am moving to Emacs to work on Clojure /Lisp. What is all the information I need to setup on Emacs to be able to do the following? ...
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What's “P=NP?”, and why is it such a famous question? [closed]

The question of whether P=NP is perhaps the most famous in all of Computer Science. What does it mean? And why is it so interesting? ...
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Download large file in python with requests

...lename Note that the number of bytes returned using iter_content is not exactly the chunk_size; it's expected to be a random number that is often far bigger, and is expected to be different in every iteration. See https://requests.readthedocs.io/en/latest/user/advanced/#body-content-workflow and...
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How to query nested objects?

...iness logic, then run a single query at the end: find(conditions, fields, callback); – Ryan Wheale May 21 '14 at 2:17 ...
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Is returning by rvalue reference more efficient?

... I had always assumed the dangling reference problem went away automagically when the return type was an r-value reference. Glad I got that straighted out before it bit me. Stack smashing bugs suck. – deft_code Jul 15 '09 at 3:03 ...
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OrderBy descending in Lambda expression?

I know in normal Linq grammar, orderby xxx descending is very easy, but how do I do this in Lambda expression? 6 Answers ...
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How can I list all collections in the MongoDB shell?

In the MongoDB shell, how do I list all collections for the current database that I'm using? 22 Answers ...