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Boolean literals in PowerShell
...
174
$true and $false.
Those are constants, though. There are no language-level literals for boole...
How to initialize a dict with keys from a list and empty value in Python?
...
dict.fromkeys([1, 2, 3, 4])
This is actually a classmethod, so it works for dict-subclasses (like collections.defaultdict) as well. The optional second argument specifies the value to use for the keys (defaults to None.)
...
How to copy commits from one branch to another?
...ow that lets you do this all by merging:
- x - x - x (v2) - x - x - x (v2.1)
\
x - x - x (wss)
So all you have to do is git checkout v2.1 and git merge wss. If for some reason you really can't do this, and you can't use git rebase to move your wss branch to the right place,...
Convert unix time to readable date in pandas dataframe
... to be seconds since epoch.
In [20]: df = DataFrame(data['values'])
In [21]: df.columns = ["date","price"]
In [22]: df
Out[22]:
<class 'pandas.core.frame.DataFrame'>
Int64Index: 358 entries, 0 to 357
Data columns (total 2 columns):
date 358 non-null values
price 358 non-null value...
CodeFile vs CodeBehind
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164
CodeBehind: Needs to be compiled (ASP.NET 1.1 model). The compiled binary is placed in the bin...
How to exclude file only from root folder in Git
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612
From the documentation:
If the pattern does not contain a slash /, git treats it as a shell gl...
What is “lifting” in Scala?
... i > 0 => i % 2 == 0}
pf: PartialFunction[Int,Boolean] = <function1>
scala> pf.lift
res1: Int => Option[Boolean] = <function1>
scala> res1(-1)
res2: Option[Boolean] = None
scala> res1(1)
res3: Option[Boolean] = Some(false)
Methods
You can "lift" a method invocatio...
Imitating a blink tag with CSS3 animations
...t;blink> only affects text:
.blink {
animation: blink-animation 1s steps(5, start) infinite;
-webkit-animation: blink-animation 1s steps(5, start) infinite;
}
@keyframes blink-animation {
to {
visibility: hidden;
}
}
@-webkit-keyframes blink-animation {
to {
visi...
The “backspace” escape character '\b': unexpected behavior?
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145
Your result will vary depending on what kind of terminal or console program you're on, but yes...
Getting distance between two points based on latitude/longitude
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215
Edit: Just as a note, if you just need a quick and easy way of finding the distance between two...