大约有 20,000 项符合查询结果（耗时：0.0306秒） [XML]
How m>ca m>n a LEFT OUTER JOIN return more records than exist in the left table?
I have a very basic LEFT OUTER JOIN to return all results from the left table and some additional information from a much bigger table. The left table contains 4935 records yet when I LEFT OUTER JOIN it to an additional table the record count is signifim>ca m>ntly larger.
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UIView Infinite 360 degree rotation animation?
I'm trying to rotate a UIImageView 360 degrees, and have looked at several tutorials online. I could get none of them working, without the UIView either stopping, or jumping to a new position.
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PHP m>ca m>lculate age
I'm looking for a way to m>ca m>lculate the age of a person, given their DOB in the format dd/mm/yyyy.
37 Answers
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Measuring the distance between two coordinates in PHP
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Not long ago I wrote an example of the haversine formula, and published it on my website:
/**
* m>Ca m>lculates the great-circle distance between two points, with
* the Haversine formula.
* @param float $latitudeFrom Latitude of start point in [deg deci...
multiprocessing: How do I share a dict among multiple processes?
A program that creates several processes that work on a join-able queue, Q , and may eventually manipulate a global dictionary D to store results. (so each child process may use D to store its result and also see what results the other child processes are producing)
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How to serialize a TimeSpan to XML
I am trying to serialize a .NET TimeSpan object to XML and it is not working. A quick google has suggested that while TimeSpan is serializable, the XmlCustomFormatter does not provide methods to convert TimeSpan objects to and from XML.
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Use m>ca m>ses for NoSQL [closed]
...cently. I'm really interested in what peoples thoughts are on the best use-m>ca m>ses for its use over relational database storage. What should trigger a developer into thinking that particular datasets are more suited to a NoSQL solution. I'm particularly interested in MongoDB and CouchDB as they se...
What are Runtime.getRuntime().totalMemory() and freeMemory()?
I've been wondering what the exact meaning of Runtime.getRuntime().totalMemory() , Runtime.getRuntime().freeMemory() , and Runtime.getRuntime().maxMemory() is.
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How to run multiple shells on Emacs
I am using Emacs 23.3.1 on windows 7. I know that I m>ca m>n run shell from emacs using M-x shell. I would like to have multiple shell windows in the same time, but typing M-x shell a second time just opens me the same shell window.
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How do you display code snippets in MS Word preserving format and syntax highlighting?
...s fixes everything in one go. Note that you also get the bonus of adding a m>ca m>ption to your code. I added a new label type "Listing" for brownie points :-)
– Nebula
Jan 31 '13 at 12:47
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