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Android basics: running code in the UI thread

...nLooper()); private class TextViewUpdater implements Runnable{ private String txt; @Override public void run() { searchResultTextView.setText(txt); } public void setText(String txt){ this.txt = txt; } } It can be used from anywhere like this: textViewUpdat...
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What is the difference between Python's list methods append and extend?

...st. my_list.append(object) Whatever the object is, whether a number, a string, another list, or something else, it gets added onto the end of my_list as a single entry on the list. >>> my_list ['foo', 'bar'] >>> my_list.append('baz') >>> my_list ['foo', 'bar', 'baz']...
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How to change a nullable column to not nullable in a Rails migration?

...lse, <put a default value here> ) # change_column(:users, :admin, :string, :default => "") end Changing a column with NULL values in it to not allow NULL will cause problems. This is exactly the type of code that will work fine in your development setup and then crash when you try to d...
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Is there a shortcut to move between header and source file in VC++?

...riting the thing :)): Sub FileSwitch() Try Dim CurrentPath As String = DTE.ActiveDocument.FullName Dim OtherPath As String If (IO.Path.HasExtension(CurrentPath)) Then Dim CurrentExtension As String = IO.Path.GetExtension(CurrentPath) Select Case...
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$.ajax - dataType

... the response as a JavaScript object, the second is going to treat it as a string. So the first would be: success: function(data) { // get data, e.g. data.title; } The second: success: function(data) { alert("Here's lots of data, just a string: " + data); } ...
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How to ISO 8601 format a Date with Timezone Offset in JavaScript?

...all browsers (thanks to @MattJohnson for the tip) Date.prototype.toIsoString = function() { var tzo = -this.getTimezoneOffset(), dif = tzo >= 0 ? '+' : '-', pad = function(num) { var norm = Math.floor(Math.abs(num)); return (norm < 10 ? '0'...
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How to paginate with Mongoose in Node.js?

...this case, you can add the query page and/ or limit to your URL as a query string. For example: ?page=0&limit=25 // this would be added onto your URL: http:localhost:5000?page=0&limit=25 Since it would be a String we need to convert it to a Number for our calculations. Let's do it using...
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How can I get the current PowerShell executing file?

... $MyInvocation.ScriptName return empty string for me, PS v3.0. – JohnC Apr 20 '15 at 1:42 4 ...
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Session variables in ASP.NET MVC

...c sealed class SessionSingleton { #region Singleton private const string SESSION_SINGLETON_NAME = "Singleton_502E69E5-668B-E011-951F-00155DF26207"; private SessionSingleton() { } public static SessionSingleton Current { get { if ( HttpConte...
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How to display a Yes/No dialog box on Android?

... } }); } public void showDialog(final String phone) throws Exception { AlertDialog.Builder builder = new AlertDialog.Builder(Firstclass.this); builder.setMessage("Ring: " + phone); builder.setPositiveButton("Ring", new DialogInter...