大约有 40,000 项符合查询结果(耗时:0.0622秒) [XML]

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:active pseudo-class doesn't work in mobile safari

...> Applied just once, as opposed to every button element seemed to fix all buttons on the page. Alternatively you could use this small JS library called 'Fastclick'. It speed up click events on touch devices and takes care of this issue too. ...
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Why do we need private subnet in VPC?

...tioning as a "NAT instance," providing network address translation (technically, port address translation) for instances in other, private subnets, allowing those machines to use the NAT instance's public IP address for their outbound Internet access. The new managed NAT service does not fundamen...
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Grep only the first match and stop

...two the last time I looked. It seems like I have too many arguments, especially without getting the desired outcome. :-/ 5...
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“SetPropertiesRule” warning message when starting Tomcat from Eclipse [duplicate]

... Correct answer, never 'ignore' warnings if at all possible. Ignore enough warnings, some day they'll cause you to miss a REAL problem. – Manius Oct 18 '10 at 1:38 ...
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What is an “unwrapped value” in Swift?

...st, you have to understand what an Optional type is. An optional type basically means that the variable can be nil. Example: var canBeNil : Int? = 4 canBeNil = nil The question mark indicates the fact that canBeNil can be nil. This would not work: var cantBeNil : Int = 4 cantBeNil = nil // can...
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C state-machine design [closed]

I am crafting a small project in mixed C and C++. I am building one small-ish state-machine at the heart of one of my worker thread. ...
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How exactly does the python any() function work?

...st of some items. If it contained [0, False, '', 0.0, [], {}, None] (which all have boolean values of False) then any(lst) would be False. If lst also contained any of the following [-1, True, "X", 0.00001] (all of which evaluate to True) then any(lst) would be True. In the code you posted, x > ...
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Is there a way to select sibling nodes?

...lways is inspiring. I dug further. This is how jQuery gets siblings essentially: function getChildren(n, skipMe){ var r = []; for ( ; n; n = n.nextSibling ) if ( n.nodeType == 1 && n != skipMe) r.push( n ); return r; }; function getSiblings(n) { r...
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Get all table names of a particular database by SQL query?

... Server and MySQL 2) INFORMATION_SCHEMA.TABLES exists only in MySQL 3) I really wonder how comes you got so many upvotes for this ... – Apostolos Dec 14 '18 at 11:04 ...
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What happens if I define a 0-size array in C/C++?

Just curious, what actually happens if I define a zero-length array int array[0]; in code? GCC doesn't complain at all. 7...