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Why Java needs Serializable interface?

... This is clearly the better answer, I am disappointed that the selected answer is not this, it seems the posted chose with a "Im annoyed because I have to declare things serializable" agenda in mind. Its an example of some one wanting to free whell and not heed the security and design le...
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How do I add more members to my ENUM-type column in MySQL?

... do not appear in your ENUM. What is the output of the following command? SELECT DISTINCT country FROM carmake; ANOTHER EDIT: What is the output of the following command? SHOW VARIABLES LIKE 'sql_mode'; Is it STRICT_TRANS_TABLES or STRICT_ALL_TABLES? That could lead to an error, rather than the ...
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How do I update the notification text for a foreground service in Android?

...(String text){ // The PendingIntent to launch our activity if the user selects // this notification CharSequence title = getText(R.string.title_activity); PendingIntent contentIntent = PendingIntent.getActivity(this, 0, new Intent(this, MyActivity.class), 0); return ...
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Intelligent point label placement in R

...0,0,0, 0.75), col.label="white") It works by automatically selecting an alternative location from a fine grid of points. The closest points on the grid are visited first and selected if they don't overlap with any plotted points or labels. Take a look at the source code, if you're in...
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Android Studio installation on Windows 7 fails, no JDK found

...dio. *Project Defaults* -> *Project Structure* -> Click "New" -> Select "Android SDK" -> Select the SDK folder inside the studio installation. share | improve this answer | ...
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Resharper- Find all unused classes

... find unused references of a single file by right clicking on the file and selecting the "Find Usages" option. Is there any way I can see or get the list of all the unused classes or files in my project ? ...
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Is there a use-case for singletons with database access in PHP?

...all one needs to maintain multiple database connections, multiple database selections, multiple database queries, multiple result sets in a given singleton is just keeping them in variables/arrays in the singleton as long as they are needed. This can be as simple as keeping them in arrays, though yo...
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Focusable EditText inside ListView

... . All I want to do is be able to use the jogball/arrows, to navigate the selector to individual items like normal, but when I get to a particular row -- even if I have to explicitly identify the row -- that has a focusable child, I want that child to take focus instead of indicating the position w...
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ASP.NET MVC: Custom Validation by DataAnnotation

...ntext validationContext) { var properties = this.PropertyNames.Select(validationContext.ObjectType.GetProperty); var values = properties.Select(p => p.GetValue(validationContext.ObjectInstance, null)).OfType<string>(); var totalLength = values.Sum(x => x.Lengt...
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400 BAD request HTTP error code meaning?

... Selecting a HTTP response code is quite an easy task and can be described by simple rules. The only tricky part which is often forgotten is paragraph 6.5 from RFC 7231: Except when responding to a HEAD request, the server...