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How to convert ‘false’ to 0 and ‘true’ to 1 in Python
...n 0, and the other half 1. The variant using encode will raise an encoding error if the input is not ASCII (thus increasing the undefined-ness of the behaviour).
Seriously, I believe the most readable, and faster, solution is to use an if:
def to_bool(s):
return 1 if s == 'true' else 0
See...
Using JQuery - preventing form from submitting
... technique on a daily basis. Best guess would be that there are JavaScript errors on the page, perhaps check it with FireBug?
– Philip Fourie
Feb 19 '12 at 6:58
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How to declare a global variable in php?
...dn't see that "echo FOOTER_CONTENT;" didn't have a preceding '$' and I got errors.
– user208145
Jun 7 '16 at 2:28
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How do I use Assert.Throws to assert the type of the exception?
... This was really helpful for me - I wanted a way to display the error, I did not even read if a value was returned by the Assert.Throws method. Thanks
– Haroon
Jun 1 '12 at 13:42
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Split comma-separated strings in a column into separate rows
I have a data frame, like so:
6 Answers
6
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PHP namespaces and “use”
...ith $circle = new Circle(); It includes the Circle.php but I am getting an error: Fatal error: Class 'Shape' not found in .../Circle.php on line 6. It appears to load Circle.php but not load Shape.php Circle is defined as: class Circle extends Shape implements ShapeInterface
– ...
Is there a Python equivalent of the C# null-coalescing operator?
... use this to trigger the default value without using None specifically (an error object, for example).
In some languages this behavior is referred to as the Elvis operator.
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Android List Preferences: have summary as selected value?
...s);
context = getActivity();
if (context == null){
Log.e("error","context is null");
}
prefs = PreferenceManager.getDefaultSharedPreferences(context);
myFrequencyList = (Preference) findPreference("frequency_key");
prefs.registerOnSharedPreferenceChangeListener(thi...
How to make good reproducible pandas examples
...owscitation needed, and I bet I can do it in 5 rows. Can you reproduce the error with df = df.head(), if not fiddle around to see if you can make up a small DataFrame which exhibits the issue you are facing.
* Every rule has an exception, the obvious one is for performance issues (in which case de...
Get the first element of an array
...hift(array_slice($array, 0, 1));
With PHP 5.4+ (but might cause an index error if empty):
array_values($array)[0];
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