大约有 44,000 项符合查询结果(耗时:0.0694秒) [XML]

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How to lock orientation during runtime

...ing runtime? For example I'd like to allow the user to lock the screen to landscape if the user currently in landscape and toggle the menu option. ...
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How can I use UUIDs in SQLAlchemy?

... The sqlalchemy postgres dialect supports UUID columns. This is easy (and the question is specifically postgres) -- I don't understand why the other answers are all so complicated. Here is an example: from sqlalchemy.dialects.postgresql import UUID from flask_sqlalchemy import SQLAlchemy impo...
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OR is not supported with CASE Statement in SQL Server

... For the second case, why does only 'IN' work and not '='? – Han Jun 13 '16 at 14:53 26 ...
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HTML encoding issues - “” character showing up instead of “ ”

...ng; if that byte isn't there, then something else has mauled your document and we need to see further up to find out what. What's the regexp, how does the templating work? There would seem to be a proper HTML parser involved somewhere if your   strings are (correctly) being turned into U+0...
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Are static methods inherited in Java?

.... From the Sun Java Tutorials: A subclass inherits all of the public and protected members of its parent, no matter what package the subclass is in. If the subclass is in the same package as its parent, it also inherits the package-private members of the parent. You can use the inherited membe...
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Why does InetAddress.isReachable return false, when I can ping the IP address?

...ll to the bottom to see my alternative for simply testing if you're online and capable of resolving external hosts (i.e. google.com) ... Which generally seems to work on *NIX machines. The issue There is alot of chatter about this : Here are other, similar questions : Detect internet Conne...
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Maximum MIMEType Length when storing type in DB

... According to RFC 4288 "Media Type Specifications and Registration Procedures", type (eg. "application") and subtype (eg "vnd...") both can be max 127 characters. You do the math :) Edit: Meanwhile, that document has been obsoleted by RFC 6838, which does not alter the maxi...
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What is more efficient: Dictionary TryGetValue or ContainsKey+Item?

...y, 0);. But i think that TryGetValue is still more efficient since the get and set of the indexer property is used, isn't it? – Tim Schmelter Oct 1 '15 at 10:44 ...
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How do I declare and assign a variable on a single line in SQL

...at the ' is escaped by doubling it to ''. Since the string delimiter is ' and not ", there is no need to escape ": DECLARE @var nvarchar(max) = '"My Name is Luca" is a great song'; The second example in the MSDN page on DECLARE shows the correct syntax. ...
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How to get multiple counts with one SQL query?

...a.distributor_id, (SELECT COUNT(*) FROM myTable WHERE level='personal' and distributor_id = a.distributor_id) as PersonalCount, (SELECT COUNT(*) FROM myTable WHERE level='exec' and distributor_id = a.distributor_id) as ExecCount, (SELECT COUNT(*) FROM myTable WHERE distributor_id = a.dis...