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PHP array_filter with arguments
...r($matches);
As a sidenote, you can now replace LowerThanFilter with a more generic NumericComparisonFilter with methods like isLower, isGreater, isEqual etc. Just a thought — and a demo...
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How to find out which processes are using swap space in Linux?
Under Linux, how do I find out which process is using the swap space more?
17 Answers
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What is `related_name` used for in Django?
...model that have a relation to current_user.
The Django documentation has more details.
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Dictionary returning a default value if the key does not exist [duplicate]
...ally will just return default(TValue), not some custom default value (nor, more usefully, the result of executing a delegate). There's nothing more powerful built into the framework. I would suggest two extension methods:
public static TValue GetValueOrDefault<TKey, TValue>
(this IDiction...
Singleton with Arguments in Java
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A singleton, by definition, is an object you want to be instantiated no more than once. If you are trying to feed parameters to the constructor, what is the point of the singleton?
You have two options. If you want your singleton to be initialized with some data, you may load it with data after ...
Pipe to/from the clipboard in Bash script
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MySQL high CPU usage [closed]
... probably want to turn off persistent connections as they almost always do more harm than good.
Secondly I'd say you want to double check your MySQL users, just to make sure it's not possible for anyone to be connecting from a remote server. This is also a major security thing to check.
Thirdly I'...
How can I parse a YAML file in Python
... to install the PyYAML package first pip install pyyaml, see this post for more options stackoverflow.com/questions/14261614/…
– Romain
Sep 26 '18 at 9:03
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What is the difference between a generative and a discriminative algorithm?
...om the description above, you might be thinking that generative models are more generally useful and therefore better, but it's not as simple as that. This paper is a very popular reference on the subject of discriminative vs. generative classifiers, but it's pretty heavy going. The overall gist is ...
Checking if an object is null in C#
...ence types; even Nullable<T> overrides the equality operator to be a more convenient way of expressing nullable.HasValue when checking for nullity.
If you do if(!data.Equals(null)) then you will get a NullReferenceException if data == null. Which is kind of comical since avoiding this excepti...