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How to start new activity on button click
In an Android application, how do you start a new activity (GUI) when a button in another activity is clicked, and how do you pass data between these two activities?
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In Javascript, how to conditionally add a member to an object?
I would like to create an object with a member added conditionally.
The simple approach is:
22 Answers
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Espresso: Thread.sleep( );
...d.sleep(); , but my code doesn't work unless I include it. I am connecting to an IP. While connecting, a progress dialog is shown. I need a sleep to wait for the dialog to dismiss. This is my test snippet where I use it:
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Understanding Spliterator, Collector and Stream in Java 8
...le understanding the Stream interface in Java 8, especially where it has to do with the Spliterator and Collector interfaces. My problem is that I simply can't understand Spliterator and the Collector interfaces yet, and as a result, the Stream interface is still somewhat obscure to me.
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How to check whether a file or directory exists?
I want to check the existence of file ./conf/app.ini in my Go code,
but I can't find a good way to do that.
5 Answers
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Set a DateTime database field to “Now”
...code, I create requests with SQL parameters. It I set a DateTime parameter to the value DateTime.Now, what will my request look like ?
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Access parent DataContext from DataTemplate
I have a ListBox which binds to a child collection on a ViewModel. The listbox items are styled in a datatemplate based on a property on the parent ViewModel:
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How do you remove an invalid remote branch reference from Git?
...>. These stale branches have already been removed from the remote repository referenced by <name>, but are still locally available in "remotes/<name>".
With --dry-run option, report what branches will be pruned, but do no actually prune them.
However, it appears these should ha...
Test if a variable is a list or tuple
In python, what's the best way to test if a variable contains a list or a tuple? (ie. a collection)
13 Answers
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What is the documents directory (NSDocumentDirectory)?
Can someone explain to me what the documents directory is on an iOS app and when to use it?
9 Answers
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