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How can I move a tag on a git branch to a different commit?

I created a tag on the master branch called v0.1 like this: 9 Answers 9 ...
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How do Trigonometric functions work?

...angles between 0 and 45 degrees, you can bootstrap your way to calculating all trig functions for all angles. Once you've reduced your argument, most chips use a CORDIC algorithm to compute the sines and cosines. You may hear people say that computers use Taylor series. That sounds reasonable, but...
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How to install a gem or update RubyGems if it fails with a permissions error

I'm trying to install a gem using gem install mygem or update RubyGems using gem update --system , and it fails with this error: ...
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Why do some C# lambda expressions compile to static methods?

... This is most likely because there are no closures, for example: int age = 25; Action<string> withClosure = s => Console.WriteLine("My name is {0} and I am {1} years old", s, age); Action<string> withoutClosure = s => Console.WriteLine("My name is {0}", s); ...
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How to deal with page breaks when printing a large HTML table

...what most people want is running headers and footers, and tables that only allow page breaks between rows, neither of which is implemented in Webkit as of 2015/11/13. – DoctorDestructo Nov 13 '15 at 13:12 ...
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How to extract numbers from a string and get an array of ints?

I have a String variable (basically an English sentence with an unspecified number of numbers) and I'd like to extract all the numbers into an array of integers. I was wondering whether there was a quick solution with regular expressions? ...
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CSV in Python adding an extra carriage return, on Windows

... best approach. For example, it doesn't work on Python 3 unless you encode all of your inputs to the CSV writer. Also, it doesn't address the issue if the script wants to use sys.stdout as the stream. I suggest instead setting the 'lineterminator' attribute when creating the writer: import csv imp...
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Gray out image with CSS?

...initely doesn't work in IE10, IE11, FF26, Safari 5.1.x (Win7 x64), or basically anything outside of Chrome (example.) – nickb Feb 10 '14 at 8:56 2 ...
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Is there a Mutex in Java?

...ause a Semaphore object initialized with 1 permit does not help me. Think of this case: 8 Answers ...
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How do I quickly rename a MySQL database (change schema name)?

...es. You might want to do a mysqldump to move the views, after first moving all the tables. Also note that SHOW TABLES will show tables AND views, so beware. – tuomassalo Nov 1 '13 at 12:38 ...