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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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Espresso: Thread.sleep( );
Espresso claims that there is no need for Thread.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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Button in a column, getting the row from which it came on the Click event handler
... MyObject obj = ((FrameworkElement)sender).DataContext as MyObject;
//Do whatever you wanted to do with MyObject.ID
}
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Test if a variable is a list or tuple
...r unicode like so:
import types
isinstance(var, types.StringTypes)
N.B. Don't mistake types.StringType for types.StringTypes. The latter incorporates str and unicode objects.
The types module is considered by many to be obsolete in favor of just checking directly against the object's type, so i...
Injecting a mock into an AngularJS service
...Value');
}));
});
Note that because of the call to $provide.value you don't actually need to explicitly inject myDependency anywhere. It happens under the hood during the injection of myService. When setting up mockDependency here, it could just as easily be a spy.
Thanks to loyalBrown for the...
Why does ++[[]][+[]]+[+[]] return the string “10”?
...] === 0. + converts something into a number, and in this case it will come down to +"" or 0 (see specification details below).
Therefore, we can simplify it (++ has precendence over +):
++[[]][0]
+
[0]
Because [[]][0] means: get the first element from [[]], it is true that:
[[]][0] returns the ...
Sort a list of tuples by 2nd item (integer value) [duplicate]
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While obvious. Sorted does not sort in place so: sorted_list = sorted([('abc', 121),('abc', 231),('abc', 148), ('abc',221)], key=lambda x: x[1])
– Vesanto
Apr 18 '18 at 16:46
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How to check if an object is nullable?
How do I check if a given object is nullable in other words how to implement the following method...
14 Answers
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Get nth character of a string in Swift programming language
....upperBound)] }
}
To convert the Substring into a String, you can simply
do String(string[0..2]), but you should only do that if
you plan to keep the substring around. Otherwise, it's more
efficient to keep it a Substring.
It would be great if someone could figure out a good way to merge
these tw...
How to redirect output of an already running process [duplicate]
... replaced the previous file handle. If I wanted to use the same file for stdout and stderr or if I wanted to replace a file handle with some other number then I would need to call the dup2() system call to achieve that result.
For this example I chose to use creat() instead of open() because th...