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Converting NSString to NSDate (and back again)

...at to match our input string // if the format doesn't match you'll get nil from your string, so be careful dateFormatter.dateFormat = "dd-MM-yyyy" //`date(from:)` returns an optional so make sure you unwrap when using. var dateFromString: Date? = dateFormatter.date(from: dateString) Date to Stri...
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How can I use a C++ library from node.js?

How can I use a C++ library from node.js? 8 Answers 8 ...
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How do I create a custom iOS view class and instantiate multiple copies of it (in IB)?

...version; You should even be able to copy & paste your views as a whole from your existing interface to the .xib file. To test this out I created a new empty .xib named "MyCustomTimerView.xib". Then I added a view, and to that added a label and two buttons. Like So: I created a new objective-...
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The relationship could not be changed because one or more of the foreign-key properties is non-nulla

...y and then set the collection of child entities to my new list which comes from the MVC view. 20 Answers ...
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How to delete multiple values from a vector?

...s.na (remove))) a <- a [! is.na (a)] (This does not distinguish NA from NaN but the R manual anyways warns that one should not rely on having a difference between them) For Inf/ -Inf you'll have to check both sign and is.finite ...
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How to create a windows service from java app

...used windows in any form and I've never had to create a service, let alone from something like a java app (I've got a jar for the app and a single dependency jar - log4j). What is the magic necessary to make this run as a service? I've got the source, so code modifications, though preferably avoid...
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Can I load a UIImage from a URL?

I have a URL for an image (got it from UIImagePickerController) but I no longer have the image in memory (the URL was saved from a previous run of the app). Can I reload the UIImage from the URL again? ...
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Can JavaScript connect with MySQL?

...t PHP Code generate JavaScript Code/Data(json, e.g.) that it has retrieved from MySQL in advance. Or you might use PHP on a server to provide an http(json/REST/SOAP/... whatever) interface to access data that the php code retrieves from MySQL - and this http interface can be called by JavaScript cod...
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Cannot push to GitHub - keeps saying need merge

...This worked for me for a repo that I have on Github but, I had a submodule from Heroku within my app. and I had to bring the files out of the submodule and then push the updated app to Heroku. – JGallardo Nov 14 '13 at 22:37 ...
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Does anyone have benchmarks (code & results) comparing performance of Android apps written in Xamari

...t know why it's so much slower. One possibility is that marshaling strings from native to Java may be faster on Android than native to C# is on Xamarin. share | improve this answer | ...