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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...
Bad value X-UA-Compatible for attribute http-equiv on element meta
...p to date with the current status of that wiki.
At the time of writing (20130326) X-UA-Compatible appears on the wiki page under a section that states: "The following proposed extensions do not yet conform to all the registration requirements in the HTML spec and are therefore not yet allowed in va...
In Bash, how do I add a string after each line in a file?
...
193
If your sed allows in place editing via the -i parameter:
sed -e 's/$/string after each line/...
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...
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...
Boolean literals in PowerShell
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174
$true and $false.
Those are constants, though. There are no language-level literals for boole...
Rename multiple files based on pattern in Unix
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edited Jul 18 '19 at 20:46
answered Jul 6 '09 at 11:24
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Mercurial - all files that changed in a changeset?
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150
If you want to list only files that have changed then you should be using "status command"
The...