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Android 4.3 Bluetooth Low Energy unstable

... I have a work around for being unable to unpair. 1) go to your bt menu, select unpair, remove the ble device from the area or depower it, select the ble device in the bt menu and it'll try to pair and fail, then reset bluetooth. Upon reset the device will be unpaired. – Chr...
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How do you install an APK file in the Android emulator?

... find sdk path in your mac system, do the following steps: Open finder->select Go option on top menu -> select Go to Folder option -> it will popup a window with a textfield: /Users/your_system_username/Library/Android/sdk/ -> now open platform-tools folder and paste your copied .apk fi...
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Custom views with Storyboard

...get within the same storyboard, and it is possible. Here's how you do it: Select your view controller in IB (click on the black bar below the view), then drag a UIView from the Object Library into the black bar: When a view is in the black bar, it's instantiated like any other view in IB but just...
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Difference between string and text in rails?

... load varchar in one go, but store text (and blob) outside of the table. A SELECT name, amount FROM products could, be a lot slower when using text for name than when you use varchar. And since Rails, by default loads records with SELECT * FROM... your text-columns will be loaded. This will probably...
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How do I get a class instance of generic type T?

...(getClass(), AbstractHibernateDao.class); this.RECORD_COUNT_HQL = "select count(*) from " + this.genericType.getName(); this.FIND_ALL_HQL = "from " + this.genericType.getName() + " t "; } share ...
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How do I filter ForeignKey choices in a Django ModelForm?

...tions = super(FrontEndAdmin, self).get_actions(request) if 'delete_selected' in actions: del actions['delete_selected'] return actions prevents delete permission def has_delete_permission(self, request, obj=None): return False filters objects that can be ...
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Android Studio/Intellij Idea: “Table of Contents” for a class

... File Structure). It shows the list of members of the current class. Select an element you want to navigate to and press the Enter key or the F4 key. To easily locate an item in the list, just start typing its name. Also, as danny117 points out, you can use Alt/⌘+7 to show / hide the sam...
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java: (String[])List.toArray() gives ClassCastException

... Please! Format your code! Select all of it at press "ctrl + k", or add " ` " before the first letter of code and at the last one another one. You can also select "{}" in the help at the top when writing the answer! – M.K ...
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How can Xml Documentation for Web Api include documentation from beyond the main project?

...c. Add the following method below the constructor: private XPathNavigator SelectSingleNode(string selectExpression) { foreach (var navigator in _documentNavigators) { var propertyNode = navigator.SelectSingleNode(selectExpression); if (propertyNode != null) retur...
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How to download source in ZIP format from GitHub?

... under the Code tab: If you don't see the button: Make sure you've selected <> Code tab from right side navigation menu, or Repo may not have a zip prepared. Add /archive/master.zip to the end of the repository URL and to generate a zipfile of the master branch: http://github.com/use...