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Make a UIButton programmatically in Swift

... Inversely, anyone reading this may also want to know that if your button action references a function that takes no parameter, the colon is not needed and may even cause an error if not removed. – Dave G Sep 2 '15 at 3:29 ...
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Is there a way to access the “previous row” value in a SELECT statement?

...from table t1, table t2 where t1.primaryKey = t2.primaryKey - 1 If you know how to order things but not how to get the previous value given the current one (EG, you want to order alphabetically) then I don't know of a way to do that in standard SQL, but most SQL implementations will have extensio...
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When to use NSInteger vs. int

... You usually want to use NSInteger when you don't know what kind of processor architecture your code might run on, so you may for some reason want the largest possible integer type, which on 32 bit systems is just an int, while on a 64-bit system it's a long. I'd stick with...
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How do you view ALL text from an ntext or nvarchar(max) in SSMS?

...e allows to open contents of field in any external application, so if you know that it is text - you use text editor to open it. If contents is binary data with picture - you select view as picture. Sample below shows opening a picture): ...
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“Invalid form control” only in Google Chrome

...s shown as expected. I believe this is a bug in Chrome: my workaround for now was to come up with an initial/default value. share | improve this answer | follow ...
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Rails Admin vs. ActiveAdmin [closed]

... I understand now that RailsAdmin is an automatic admin UI, while ActiveAdmin is an admin scaffold. I love ActiveAdmin's flexibility because of this approach, but it's missing RailsAdmin's model and association detection, and the awesome a...
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How can we access context of an application in Robolectric?

... For the latest Robolectric 4.3 as of right now in 2019 ` ShadowApplication.getInstance() ` and Roboletric.application are both depricated. So I am using Context context = RuntimeEnvironment.systemContext; to get Context. ...
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Test if element is present using Selenium WebDriver?

... might want to reduce the wait time. Right now, if the element doesn't exist you must wait "30 seconds" before the function returns false – Jason Smiley Oct 5 '15 at 19:06 ...
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split string only on first instance of specified character

... Anyone know why I get an extra empty string element with this: in: "Aspect Ratio: 16:9".split(/:(.+)/) out: ["Aspect Ratio", " 16:9", ""] – katy lavallee May 8 '14 at 17:42 ...
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Find difference between timestamps in seconds in PostgreSQL

... @Igor It is not very clear but now that you say it I think you are probably right. – Clodoaldo Neto Dec 24 '12 at 12:54 ...