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JavaScript + Unicode regexes
...ts you build a JavaScript regular expression that matches characters that fall in any number of specified Unicode blocks.
I just did it for the "General Punctuation" and "Supplemental Punctuation" sub-ranges, and the result is as simple and straight-forward as I would have expected it:
[\u2000-\u20...
What are Scala context and view bounds?
...rds, A should have an implicit conversion to B available, so that one can call B methods on an object of type A. The most common usage of view bounds in the standard library (before Scala 2.8.0, anyway), is with Ordered, like this:
def f[A <% Ordered[A]](a: A, b: A) = if (a < b) a else b
Be...
How can I read a whole file into a string variable
I have lots of small files, I don't want to read them line by line.
5 Answers
5
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adding noise to a signal in python
I want to add some random noise to some 100 bin signal that I am simulating in Python - to make it more realistic.
7 Answer...
Does Java 8 provide a good way to repeat a value or function?
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@jwenting It really depends - typically with GUI stuff (Swing or JavaFX), that removes a lot of boiler plate due to anonymous classes.
– assylias
Aug 30 '13 at 12:12
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String formatting in Python 3
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Here are the docs about the "new" format syntax. An example would be:
"({:d} goals, ${:d})".format(self.goals, self.penalties)
If both goals and penalties are integers (i.e. their default format is ok), it could be shortened to:
"({} goals, $...
surface plots in matplotlib
...esenting a set of points in 3D space. I want to plot a surface that covers all these points.
8 Answers
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Export and Import all MySQL databases at one time
I want to keep a backup of all my MySQL databases. I have more than 100 MySQL databases. I want to export all of them at the same time and again import all of them into my MySQL server at one time. How can I do that?
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Assignment inside lambda expression in Python
I have a list of objects and I want to remove all objects that are empty except for one, using filter and a lambda expression.
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How to get overall CPU usage (e.g. 57%) on Linux [closed]
...s was not tested nor used, it's an idea for people who do not want to install a utility or for something that works in any distribution. Some people think you can "apt-get install" anything.
NOTE: this is not the current CPU usage, but the overall CPU usage in all the cores since the system bootup...