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Saving an Object (Data persistence)
...pen('company_data.pkl', 'wb') as output:
company1 = Company('banana', 40)
pickle.dump(company1, output, pickle.HIGHEST_PROTOCOL)
company2 = Company('spam', 42)
pickle.dump(company2, output, pickle.HIGHEST_PROTOCOL)
del company1
del company2
with open('company_data.pkl', 'rb') as i...
String.format() to format double in java
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answered Feb 3 '11 at 11:04
David TangDavid Tang
84.3k2828 gold badges156156 silver badges144144 bronze badges
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Is there any way to call a function periodically in JavaScript?
...():
var intervalID = setInterval(function(){alert("Interval reached");}, 5000);
The first parameter to setInterval() can also be a string of code to be evaluated.
You can clear a periodic function with:
clearInterval(intervalID);
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How to append a char to a std::string?
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answered Sep 24 '09 at 14:29
AraKAraK
84.6k3232 gold badges170170 silver badges228228 bronze badges
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How to query MongoDB with “like”?
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2036
That would have to be:
db.users.find({"name": /.*m.*/})
or, similar:
db.users.find({"name"...
Decimal number regular expression, where digit after decimal is optional
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Use the following:
/^\d*\.?\d*$/
^ - Beginning of the line;
\d* - 0 or more digits;
\.? - An optional dot (escaped, because in regex, . is a special character);
\d* - 0 or more digits (the decimal part);
$ - End of the line.
This allows for .5 decimal rather than requiring the leading zer...
how to check if object already exists in a list
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answered Aug 8 '10 at 16:31
Rex MRex M
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Stopping an Android app from console
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answered Jun 25 '10 at 10:38
Christopher OrrChristopher Orr
104k2626 gold badges190190 silver badges187187 bronze badges
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