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When to use references vs. pointers
...fore that, there's boost::optional).
Another example is to use pointers to raw memory for specific memory manipulations. That should be hidden and localized in very narrow parts of the code, to help limit the dangerous parts of the whole code base.
In your example, there is no point in using a point...
Bash: Syntax error: redirection unexpected
...lem from my Dockerfile as I had:
RUN bash < <(curl -s -S -L https://raw.githubusercontent.com/moovweb/gvm/master/binscripts/gvm-installer)
However, according to this issue, it was solved:
The exec form makes it possible to avoid shell string munging, and
to RUN commands using a base ...
Fastest way to convert Image to Byte array
...about CPU resources, pick a format which doesn't bother compressing - just raw ARGB pixels, for example. But of course that will lead to a larger byte array.
Note that if you pick a format which does include compression, there's no point in then compressing the byte array afterwards - it's almost c...
Is functional GUI programming possible? [closed]
...or constructing a simple interface in the WPF controls demo by Flying Frog Consultancy.
– Funk
Jun 1 '16 at 10:08
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Fill remaining vertical space with CSS using display:flex
....w3.org/TR/css-flexbox-1/#propdef-flex
When a box is a flex item, flex is consulted instead of the main size property to determine the main size of the box
min-* and max-* will be respected
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std::shared_ptr of this
...g. Usually, when you are accepting new entities, you should usually accept raw pointers. Smart pointer can have their own meaning for swapping children between parents, but for general usage, you should accept raw pointers.
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What does the `forall` keyword in Haskell/GHC do?
...eory or abstract algebra is popular this week. (If I never read the words "consult the paper whatever for details of implementation" again, it will be too soon.)
Er, and what about simple first-order logic? forall is pretty clearly in reference to universal quantification, and in that context the ...
Static methods in Python?
...vanced concept, see classmethod().
For more information on static methods, consult the documentation on the standard type hierarchy in The standard type hierarchy.
New in version 2.2.
Changed in version 2.4: Function decorator syntax added.
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How do I retrieve the number of columns in a Pandas data frame?
...re using read_csv method of Pandas without sep parameter or sep with ",".
raw_data = pd.read_csv("a1:\aa2/aaa3/data.csv")
raw_data.info()
<class 'pandas.core.frame.DataFrame'>
RangeIndex: 5144 entries, 0 to 5143
Columns: 145 entries, R_fighter to R_age
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Regular expression for letters, numbers and - _
... Go (golang) users, heads up, pattern here will result in false for empty raw string literals. Playground. Use @nonopolarity's solution below.
– BentCoder
Jun 27 at 18:40
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