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python tuple to dict

... Try: >>> t = ((1, 'a'),(2, 'b')) >>> dict((y, x) for x, y in t) {'a': 1, 'b': 2} share | improve this answer | follow | ...
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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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What is the explanation for these bizarre JavaScript behaviours mentioned in the 'Wat' talk for Code

The 'Wat' talk for CodeMash 2012 basically points out a few bizarre quirks with Ruby and JavaScript. 5 Answers ...
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Full examples of using pySerial package [closed]

...is code. I'm not certain on this but I believe the serial port is automatically opened when it is explicitly defined as you have done with ser. After commenting out the ser.open() line it worked. – user3817250 Sep 23 '14 at 14:31 ...
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How can I find all matches to a regular expression in Python?

... Use re.findall or re.finditer instead. re.findall(pattern, string) returns a list of matching strings. re.finditer(pattern, string) returns an iterator over MatchObject objects. Example: re.findall( r'all (.*?) are', 'all cats are s...
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How to parse float with two decimal places in javascript?

I have the following code. I would like to have it such that if price_result equals an integer, let's say 10, then I would like to add two decimal places. So 10 would be 10.00. Or if it equals 10.6 would be 10.60. Not sure how to do this. ...
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Difference Between Invoke and DynamicInvoke

...ou just know that it is Delegate, it has to resolve the parameters etc manually - this might involve unboxing, etc - a lot of reflection is going on. For example: Delegate slowTwice = twice; // this is still the same delegate instance object[] args = { i }; object result = slowTwice.DynamicInvoke(a...
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How do I see what character set a MySQL database / table / column is?

... This should be merged in the top answer. It really helped me. – beppe9000 Jan 14 '17 at 16:55 add a comment  |  ...
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Laravel blank white screen

... @fideloper This answer really saved my day. Was getting WSOD, and nothing showing up in logs anywhere. chmodding the app/storage took care of it. I tip my virtual hat to you! – Tim Habersack Dec 23 '13 at 22:37 ...
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How To Remove Outline Border From Input Button

...ng that in each button: #button-tyle{ outline: 0; } or use same style for all buttons without #id in each button, here is a demo link: input[type="button"] { width:70px; height:30px; margin-left:72px; margin-top:15px; display:block; background-color:gray; color:white; border: none; outline: 0; } ...