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Convert a row of a data frame to vector
... comments below, if you have a not-completely-numeric (alphabetic, factor, mixed ...) data frame, you need as.character(df[1,]) instead.
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Difference between staticmethod and classmethod
... and it is better to use a static method than relying on the poor style of mixing classes and function defs together in code just to show they are "related"
– MestreLion
May 3 '12 at 9:55
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What is __future__ in Python used for and how/when to use it, and how it works
...tion, that for compatibility reasons one tab is equivalent to 8 spaces and mixing tabs and spaces is discouraged (resp., AFAIK, even disallowed in Py3)
– glglgl
Mar 6 '15 at 8:45
1...
Hibernate Annotations - Which is better, field or property access?
...lse return "John Doe";
}
}
Besides, if you throw another libs into the mix (like some JSON-converting lib or BeanMapper or Dozer or other bean mapping/cloning lib based on getter/setter properties) you'll have the guarantee that the lib is in sync with the persistence manager (both use the gette...
Should I use single or double colon notation for pseudo-elements?
...lemented in ::. According to your approach, individuals will then start to mix-and-match the use of : and :: for pseudo-elements. Adhering explicitly to old standard (which for the time being may be supported,) is an inherently bad practice and should be avoided whenever reasonably possible. If you ...
Shorter syntax for casting from a List to a List?
...Zebra(string name) : base(name) { }
}
When working with a collection of mixed types:
var mixedAnimals = new Animal[]
{
new Zebra("Zed"),
new Elephant("Ellie")
};
foreach(Animal animal in mixedAnimals)
{
// Fails for Zed - `InvalidCastException - cannot cast from Zebra to Elephant`
...
Mockito: Inject real objects into private @Autowired fields
...@Spy also hurts the overall design since it encourages bloated classes and mixed responsibilities in the classes.
Please read the spy() javadoc before using that blindly (emphasis is not mine) :
Creates a spy of the real object. The spy calls real methods unless
they are stubbed. Real spies s...
How to specify a multi-line shell variable?
... be exported in one command, can preserve or discard linefeeds, and allows mixing of quoting-styles as needed. Works for bash and zsh.
oneLine=$(printf %s \
a \
" b " \
$'\tc\t' \
'd ' \
)
multiLine=$(printf '%s\n' \
a \
" b " \
$'\tc\t' \
'd ' \
...
Storing R.drawable IDs in XML array
...the array is not required to be homogeneous, so you can create an array of mixed resource types, but you must be aware of what and where the data types are in the array.
<?xml version="1.0" encoding="utf-8"?>
<resources>
<array name="icons">
<item>@drawable/home...
Remove specific commit
...nges in files since the last commit. If --soft does not work, rather try --mixed or --keep.
Rebase (show the log of the last 5 commits and delete the lines you don't want, or reorder, or squash multiple commits in one, or do anything else you want, this is a very versatile tool):
git rebase -i HE...