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RSpec: how to test if a method was called?
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@wacko oooh, got it, thanks for the clearing that up. I didn't catch it the first time.
– ecoding5
Jun 30 '15 at 3:52
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Replace None with NaN in pandas dataframe
... on the size of your data.
If you want to use this method, you can first identify the object dtype fields in your df and then replace the None:
obj_columns = list(df.select_dtypes(include=['object']).columns.values)
df[obj_columns] = df[obj_columns].replace([None], np.nan)
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How do I close a connection early?
...es a bit more than sending a close header.
OP then confirms: yup, this did the trick: pointing to user-note #71172 (Nov 2006) copied here:
Closing the users browser connection whilst keeping your php script running has been an issue since [PHP] 4.1, when the behaviour of register_shutdown_fun...
How do I create a directory from within Emacs?
...ew directory using Emacs? What commands do I use? (If possible, please provide an example)
6 Answers
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Search for selection in vim
... var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
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Force Screen On
... additional permission, and it is very easy to introduce bugs where you accidentally remain holding the wake lock and thus leave the screen on.
It is far, far better to use the window flag FLAG_KEEP_SCREEN_ON, which you can enable on your activity's window in your onCreate() like this:
@Override
pro...
What's wrong with overridable method calls in constructors?
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On invoking overridable method from constructors
Simply put, this is wrong because it unnecessarily opens up possibilities to MANY bugs. When the @Override is invoked, the state of the object may be inconsistent and/or incomplete.
A quote f...
Why is Double.MIN_VALUE in not negative
...algorithm. I realized that double.MIN_VALUE made no sense in context and did a search. This post comes up before the java docs. It really is a confusing name for what really is double.Epsilon. Not a big deal, took less than a minute to fix, but definitely surprising.
– Ed S....
Is it possible for a unit test to assert that a method calls sys.exit()
...s excellent answer you can also check for specific statuses if they're provided in the function you're testing. For example if your_method() contained the following sys.exit("Error") it would be possible to test for "Error" specifically:
with self.assertRaises(SystemExit) as cm:
your_method()
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How to use android emulator for testing bluetooth application?
...he code is working fine for real devices, but I want to run it on the Android Emulator. How can I use the emulator for bluetooth testing?
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