大约有 44,000 项符合查询结果(耗时:0.0464秒) [XML]

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How to assign the output of a command to a Makefile variable

... Wrapping the assignment in an eval is working for me. # dependency on .PHONY prevents Make from # thinking there's `nothing to be done` set_opts: .PHONY $(eval DOCKER_OPTS = -v $(shell mktemp -d -p /scratch):/output) ...
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Accessing Object Memory Address

...nteger (or long integer) which is guaranteed to be unique and constant for this object during its lifetime. Two objects with non-overlapping lifetimes may have the same id() value. (Implementation note: this is the address of the object.) So in CPython, this will be the address of the ...
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Insert into a MySQL table or update if exists

... +1 From what I've found, this method is less problematic for auto-increment keys and other unique key collisions than REPLACE INTO, and it is more efficient. – Andrew Ensley May 11 '12 at 21:27 ...
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Can Selenium interact with an existing browser session?

...le to communicate with and act through a browser that is already running before launching a Selenium Client? 11 Answers ...
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Surrogate vs. natural/business keys [closed]

...are NOT NULL UNIQUE) then you are likely in violation of Boyce-Codd Normal Form. BCNF is beyond 3NF, so not many people worry about it. There are situations, however, where being in BCNF is very helpful. – Alan Sep 17 '08 at 17:19 ...
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Switching the order of block elements with CSS [duplicate]

... can remove the -moz- prefixed properties if you like, I just left them in for future readers. #blockContainer { display: -webkit-box; display: -moz-box; display: box; -webkit-box-orient: vertical; -moz-box-orient: vertical; bo...
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Get Specific Columns Using “With()” Function in Laravel Eloquent

... Thank you for sharing this. Where did you discover this possibility? I didn't find this in the Laravel docs. – Symen Timmermans Apr 2 '14 at 14:28 ...
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How can I get a user's media from Instagram without authenticating as a user?

... it helps someone as I did not see it in Instagram's documentation. To perform GET on https://api.instagram.com/v1/users/<user-id>/media/recent/ (at present time of writing) you actually do not need OAuth access token. You can perform https://api.instagram.com/v1/users/[USER ID]/media/recent...
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sqlalchemy flush() and get inserted id?

...e code should have worked as it is. SQLAlchemy should be providing a value for f.id, assuming its an autogenerating primary-key column. Primary-key attributes are populated immediately within the flush() process as they are generated, and no call to commit() should be required. So the answer here ...
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How to select unique records by SQL

When I perform "SELECT * FROM table" I got results like below: 8 Answers 8 ...