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Centering a view in its superview using Visual Format Language
I just started learning AutoLayout for iOS and had a look at Visual Format Language.
14 Answers
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postgres default timezone
I installed PostgreSQL 9 and the time it is showing is 1 hour behind the server time.
7 Answers
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rails 3.1.0 ActionView::Template::Error (application.css isn't precompiled)
...de a basic rails app with a simple pages controller with an index function and when I load the page I get:
14 Answers
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Why use a prime number in hashCode?
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Because you want the number you are multiplying by and the number of buckets you are inserting into to have orthogonal prime factorizations.
Suppose there are 8 buckets to insert into. If the number you are using to multiply by is some multiple of 8, then the bucket inserted...
UI Design Pattern for Windows Forms (like MVVM for WPF)
...ectly suited for it. But what about Windows Forms? Is there an established and commonly used approach / design pattern like this for Windows Forms too? One that works explicitly well with Windows Forms? Is there a book or an article that describes this well? Maybe MVP or MVC based?
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How do I add more members to my ENUM-type column in MySQL?
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Most ALTER TABLE commands will completely rewrite the whole table. Is mysql clever enough to not do that with enum ?
– John
Oct 9 '18 at 22:10
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How to call an external command?
How do you call an external command (as if I'd typed it at the Unix shell or Windows command prompt) from within a Python script?
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Strip HTML from strings in Python
...e, I'm trying to find a way to only show the contents of each HTML element and not the formatting itself. If it finds '<a href="whatever.com">some text</a>' , it will only print 'some text', '<b>hello</b>' prints 'hello', etc. How would one go about doing this?
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How can I make grep print the lines below and above each matching line? [duplicate]
I have to parse a very large file and I want to use the command grep (or any other tool).
3 Answers
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XPath: How to select elements based on their value?
I am new to using XPath and this may be a basic question. Kindly bear with me and help me in resolving the issue. I have an XML file like this:
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