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Best way to check for “empty or null value”
What is best way to check if value is null or empty string in Postgres sql statements?
10 Answers
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How to convert std::string to NSString?
Hi I am trying to convert a standard std::string into an NSString but I'm not having much luck.
6 Answers
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Check whether an array is empty [duplicate]
I have the following code
12 Answers
12
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How to change the font size on a matplotlib plot
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Alternatively, you could also use the rcParams update method as suggested in this answer:
matplotlib.rcParams.update({'font.size': 22})
or
import matplotlib.pyplot as plt
plt.rcParams.update({'font.size': 22})
You can find a full list of available properties on the Customizing matplotlib page...
How to build Qt for Visual Studio 2010
I struggled finding a how-to which provides a stable solution for using Qt with Visual Studio 2010, so after collecting all the bits of information and some trial and error, I would like to write my solution into a guide.
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How can I modify the size of column in a MySQL table?
I have created a table and accidentally put varchar length as 300 instead of 65353 . How can I fix that?
2 Answers
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Regular expression to match any character being repeated more than 10 times
I'm looking for a simple regular expression to match the same character being repeated more than 10 or so times. So for example, if I have a document littered with horizontal lines:
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Best practice to validate null and empty collection in Java
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If you use the Apache Commons Collections library in your project, you may use the CollectionUtils.isEmpty and MapUtils.isEmpty() methods which respectively check if a collection or a map is empty or null (i.e. they are "null-safe").
The code behind these methods is more or...
What is your preferred php deployment strategy? [closed]
I'm beginning a new project in PHP and I'd love to get some feedback from other developers on their preferred strategy for PHP deployment. I'd love to automate things a bit so that once changes are committed they can be quickly migrated to a development or production server.
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