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throwing an exception in objective-c/cocoa
...xception exceptionWith…]) syntax, the parser recognizes that as an exit and does not display the warning.
– mattorb
Aug 27 '11 at 16:32
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Test whether string is a valid integer
...l script. If the user provided a valid integer, the script does one thing, and if not valid, it does something else. Trouble is, I haven't found an easy (and reasonably elegant) way of doing this - I don't want to have to pick it apart char by char.
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Cron job every three days
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This is a very high result on google, and as such it would be better if the accepted answer was correct, which this is not. I believe Tareco's explanation is correct.
– lynks
Sep 4 '12 at 14:21
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How to get all possible combinations of a list’s elements?
I have a list with 15 numbers in, and I need to write some code that produces all 32,768 combinations of those numbers.
27...
Can't compile project when I'm using Lombok under IntelliJ IDEA
...r enabling, run Build -> Rebuild Project to have annotations recognized and eliminate errors.
For IDEA 2019.2.1, depending on how the project is configured, installing the Project Lombok plugin may not be sufficient. Here is another way to use Project Lombok with IntelliJ IDEA:
Visit https:/...
How to display all methods of an object?
...r(function (p) {
return typeof Math[p] === 'function';
}));
//-> ["random", "abs", "acos", "asin", "atan", "ceil", "cos", "exp", ...etc ]
In ES3 browsers (IE 8 and lower), the properties of built-in objects aren't enumerable. Objects like window and document aren't built-in, they're defi...
Generate random integers between 0 and 9
How can I generate random integers between 0 and 9 (inclusive) in Python?
19 Answers
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Finding what methods a Python object has
...t an AttributeError, you can use this instead:
getattr( is intolerant of pandas style python3.6 abstract virtual sub-classes. This code does the same as above and ignores exceptions.
import pandas as pd
df = pd.DataFrame([[10, 20, 30], [100, 200, 300]],
columns=['foo', 'bar',...
How to change ViewPager's page?
I'm using ViewPager in my app and define it in the main Activity. Inside onCreate method I load some number of pages from SharedPreferences and then pass it to PagerAdapter:
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How do I get the SharedPreferences from a PreferenceActivity in Android?
...plication. I am inflating the settings via a xml file so that my onCreate (and complete class methods) looks like this:
7 ...