大约有 40,000 项符合查询结果(耗时:0.0622秒) [XML]

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What is an intuitive explanation of the Expectation Maximization technique? [closed]

... around 7 (and we could find the exact means if we wanted). This is, generally speaking, known as maximum likelihood estimation. Given some data, we compute the value of a parameter (or parameters) that best explains that data. Now imagine that we cannot see which value was sampled from which grou...
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Lost my schema.rb! Can it be regenerated?

... If you run a rake -T it will list all possible rake tasks for your Rails project. One of them is db:schema:dump which will recreate the schema.rb for the Rails app from the database. bundle exec rake db:schema:dump ...
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Loop through all the resources in a .resx file

Is there a way to loop through all the resources in a .resx file in C#? 10 Answers 1...
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Git push error '[remote rejected] master -> master (branch is currently checked out)'

... remote repository folder: git config --bool core.bare true Then delete all the files except .git in that folder. And then you will be able to perform git push to the remote repository without any errors. share |...
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How to have favicon / icon set when bookmarklet dragged to toolbar?

...port HTML file you just edited, your bookmarklet now has a favicon. Basically the procedure is to get ICON attribute of a bookmark tag and insert it into bookmarklet tag share | improve this ans...
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Best way to remove from NSMutableArray while iterating?

.... That may be true (although what about the memory and processing cost of allocating a new array, and discarding the old one?) but even if it's faster it may not be as big a deal as it would be for a naive implementation, because NSArrays do not behave like "normal" arrays. They talk the talk but ...
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UnicodeDecodeError: 'charmap' codec can't decode byte X in position Y: character maps to

...re out yourself. Common ones are Latin-1 and UTF-8. Since 0x90 doesn't actually mean anything in Latin-1, UTF-8 (where 0x90 is a continuation byte) is more likely. You specify the encoding when you open the file: file = open(filename, encoding="utf8") ...
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How to check for file lock? [duplicate]

...ld become locked the very next second (read: short timespan). Why specifically do you need to know if the file is locked anyway? Knowing that might give us some other way of giving you good advice. If your code would look like this: if not locked then open and update file Then between the t...
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Where could I buy a valid SSL certificate? [closed]

...d" message. I realized that you need an intermediate certificate. When installing a startssl cert make sure you follow the steps here: startssl.com/?app=20 (for me I selected nginx) make sure you follow the part about the intermediate cert. Also you can double check cert problems here: sslshopper.co...
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HTML img scaling

... Only set the width or height, and it will scale the other automatically. And yes you can use a percentage. The first part can be done, but requires JavaScript, so might not work for all users. share | ...