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How can I make a UITextField move up when the keyboard is present - on starting to edit?

...henever the keyboard is shown. Here is some sample code: #define kOFFSET_FOR_KEYBOARD 80.0 -(void)keyboardWillShow { // Animate the current view out of the way if (self.view.frame.origin.y >= 0) { [self setViewMovedUp:YES]; } else if (self.view.frame.origin.y < ...
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Get local IP address in node.js

... var _ = require('underscore'); var ip = _.chain(require('os').networkInterfaces()).flatten().filter(function(val){ return (val.family == 'IPv4' && val.internal == false) }).pluck('address').first().value(); console.log(ip...
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Making an array of integers in iOS

...swered Feb 19 '13 at 5:58 didier_v_didier_v_ 17277 bronze badges ...
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Allowed characters in filename [closed]

...X "Fully portable filenames" entry, which lists these: A–Z a–z 0–9 . _ - – Vladimir Kornea Jul 2 '14 at 22:31 1 ...
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@ variables in Ruby on Rails

... Does your class have an attr_accessor defined with the same name @DanDevine? attr_accessor is syntactic sugar that generates a getter\setter for you. If you are getting the value without the @ symbol the code receives the variable because it's calling t...
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How to check if a table exists in a given schema

...sts" (no matter who's asking), querying the information schema (information_schema.tables) is incorrect, strictly speaking, because (per documentation): Only those tables and views are shown that the current user has access to (by way of being the owner or having some privilege). The query p...
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What is the difference between mocking and spying when using Mockito?

... we create a mock of the ArrayList class: @Test public void whenCreateMock_thenCreated() { List mockedList = Mockito.mock(ArrayList.class); mockedList.add("one"); Mockito.verify(mockedList).add("one"); assertEquals(0, mockedList.size()); } As you can see – adding an element in...
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How to remove convexity defects in a Sudoku square?

...he result. These points are the grid line intersections: centerOfGravity[l_] := ComponentMeasurements[Image[l], "Centroid"][[1, 2]] gridCenters = Table[centerOfGravity[ ImageData[Dilation[Image[h], DiskMatrix[2]]]* ImageData[Dilation[Image[v], DiskMatrix[2]]]], {h, horizontalGrid...
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Understanding implicit in Scala

... the implicit class in the scope you are wanting to use import Extensions._ 2.meterToCm // result 200 share | improve this answer | follow | ...
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Precision String Format Specifier In Swift

... a simple way is: import Foundation // required for String(format: _, _) print(String(format: "hex string: %X", 123456)) print(String(format: "a float number: %.5f", 1.0321)) share | impro...