大约有 6,700 项符合查询结果(耗时:0.0380秒) [XML]

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How to empty a list in C#?

...would take longer than that. msdn.microsoft.com/en-us/library/dwb5h52a(v=vs.110).aspx – Chris Tramel Jun 18 '15 at 14:32 ...
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C# Set collection?

...ould strongly expect) that insert and access should take O(1) access time, vs a "LinkedListSet" which would lead us to expect insert and access to take O(n) time. – David Souther Jul 16 '10 at 16:16 ...
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Is there a query language for JSON?

...lly; even though XML and JSON have different conceptual models (hierarchic vs object/struct). EDIT Sep-2015: Actually there is now JSON Pointer standard that allows very simple and efficient traversal of JSON content. It is not only formally specified, but also supported by many JSON libraries. So ...
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SQL Server Management Studio, how to get execution time down to milliseconds

... AND see this Measuring Query Performance : "Execution Plan Query Cost" vs "Time Taken" share | improve this answer | follow | ...
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failed to serialize the response in Web API

...stand what entity proxies are: msdn.microsoft.com/en-us/library/jj592886(v=vs.113).aspx To understand what ProxyCreationEnabled is: stackoverflow.com/questions/7111109/… – Sadjad Khazaie Oct 3 '17 at 16:34 ...
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Selecting a row of pandas series/dataframe by integer index

...rame index has strings in it. For more details, see this solution on .iloc vs .loc. I almost never use this slice notation with the indexing operator as its not explicit and hardly ever used. When slicing by rows, stick with .loc/.iloc. ...
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How to support placeholder attribute in IE8 and 9

... @vsync no if you read well I said plugins, plural, most of options I've found you need to use multiple files, with tons of code, vs few line. aren't you a bit arrogant, and how doe that comment improve the answer ...
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Why historically do people use 255 not 256 for database field magnitudes?

... (and index space) is not because 256 may fit in a page but because 1 byte vs 2 bytes (for millions/billions/trillions rows) makes a big difference. – ypercubeᵀᴹ Apr 28 '15 at 13:23 ...
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How do I import a specific version of a package using go get?

...sions as repo urls, without actually creating repos. E.g. gopkg.in/yaml.v1 vs gopkg.in/yaml.v2, even though they both live at https://github.com/go-yaml/yaml gopkg.in/yaml.v1 redirects to https://github.com/go-yaml/yaml/tree/v1 gopkg.in/yaml.v2 redirects to https://github.com/go-yaml/yaml/tree/v2 ...
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Comparing two files in linux terminal

...rings in each, I benchmarked (with the built-in timecommand) this approach vs some of the other answers here: git diff --no-index a.txt b.txt # ~1.2s comm -23 <(sort a.txt) <(sort b.txt) # ~0.2s diff a.txt b.txt # ~2.6s sdiff a.txt b.txt # ~2.7s vimdiff a.txt b.txt # ~3.2s comm seems to...