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How to set focus on input field?

...odal. Define a directive and have it $watch a property/trigger so it knows when to focus the element: Name: <input type="text" focus-me="shouldBeOpen"> app.directive('focusMe', ['$timeout', '$parse', function ($timeout, $parse) { return { //scope: true, // optionally cr...
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Interfaces with static fields in java for sharing 'constants'

... syntactic sugar, and inherit from such interface is an horrible error. I know Sun did this, but they also made tons of other basic errors, that's not an excuse to mimic them. – gizmo Nov 26 '08 at 13:17 ...
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How can I start PostgreSQL server on Mac OS X?

...al/var/postgres stop Start automatically "To have launchd start postgresql now and restart at login:" brew services start postgresql What is the result of pg_ctl -D /usr/local/var/postgres -l /usr/local/var/postgres/server.log start? What is the result of pg_ctl -D /usr/local/var/postgres status? A...
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Using Chrome, how to find to which events are bound to an element

..., right click over function and select 'Show function definition' You will now see the Event binding code Click on the 'Pretty print' button for a more readable view of the code share | improve thi...
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How can I improve my paw detection?

...he paw detection algorithm is fairly fast...) Here's a full example (now with much more detailed explanations). The vast majority of this is reading the input and making an animation. The actual paw detection is only 5 lines of code. import numpy as np import scipy as sp import scipy.ndimage...
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PHP foreach change original array values

...ference (&) is ... controversial. I recommend not using it unless you know why you need it and test the results. I would recommend doing the following: foreach ($fields as $key => $field) { if ($field['required'] && strlen($_POST[$field['name']]) <= 0) { $fields[$key]...
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Converting String to Int with Swift

... This solution was only right for Swift and not for Swift2. Now you should use: Int(firstText.text) – gurehbgui Sep 27 '15 at 10:36  |  ...
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Handling applicationDidBecomeActive - “How can a view controller respond to the app becoming Active?

...Active) } The big change here is that instead of calling a #selector, we now call the var created above. This can eliminate situations where you get invalid selector crashes. Finally, we remove the observer. func removeObserver() { NotificationCenter.default.removeObserver(self, name: .UIApp...
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Hidden Features of VB.NET?

... The Exception When clause is largely unknown. Consider this: Public Sub Login(host as string, user as String, password as string, _ Optional bRetry as Boolean = False) Try ssh.Connect(host, user, password) Catch ex as TimeoutExcepti...
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Program only crashes as release build — how to debug?

... "Now knowing where to look" but how does everything working in debug tell you where the problem is. Although I think your answer is correct in most instances, and knowing what to look for is a good start, trolling through a la...