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Convert String to Float in Swift

...ying to convert numbers taken from a UITextField, which I presume, are actually Strings, and convert them to Float, so I can multiply them. ...
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Create Directory When Writing To File In Node.js

...d found a little problem. I've got a script which resides in a directory called data . I want the script to write some data to a file in a subdirectory within the data subdirectory. However I am getting the following error: ...
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String representation of an Enum

... the the "enum member" fields doesn't throw a NullReferenceException when calling the instance constructor, be sure to put the Dictionary field before the "enum member" fields in your class. This is because static field initialisers are called in declaration order, and before the static constructor,...
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In Python, how do you convert a `datetime` object to seconds?

...datetime(1970,1,1)).total_seconds() 1256083200.0 The starting date is usually specified in UTC, so for proper results the datetime you feed into this formula should be in UTC as well. If your datetime isn't in UTC already, you'll need to convert it before you use it, or attach a tzinfo class that ...
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Replace first occurrence of pattern in a string [duplicate]

... much better than the regex imho, this is what the regex will eventually do anyway, after skipping overhead. In very long strings with the result very far at the end, the regex impl might be better as it supports streaming the char array, but for small strings, this seems a lot more efficient...
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Can you have a within a ?

...sert a Flash object into my page. The embedding eats my span . So, I lose all my CSS for it. I was thinking of moving all of the CSS to the parent so I don't lose my CSS styles when the Flash appears. ...
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SVN how to resolve new tree conflicts when file is added on two branches

...ing add upon merge' variety. Fixed expectations in r35341. (This is also called "evil twins" in ClearCase by the way): a file is created twice (here "added" twice) in two different branches, creating two different histories for two different elements, but with the same name. The theoretical solutio...
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What are the differences between Clojure, Scheme/Racket and Common Lisp?

I know they are dialects of the same family of language called lisp, but what exactly are the differences? Could you give an overview, if possible, covering topics such as syntax, characteristics, features and resources. ...
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How to ISO 8601 format a Date with Timezone Offset in JavaScript?

... The below should work properly, and for all browsers (thanks to @MattJohnson for the tip) Date.prototype.toIsoString = function() { var tzo = -this.getTimezoneOffset(), dif = tzo >= 0 ? '+' : '-', pad = function(num) { va...
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how to replicate pinterest.com's absolute div stacking layout [closed]

I am looking to replicate Pinterest.com's div layout, specifically how the number of columns adjusts to fit more/less on browser resize and the vertical stacking is not dependent on adjacent column heights. The source code shows that each div is position absolute. A co-founder has answered a Quora p...