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How do I get only directories using Get-ChildItem?
...sions less than 3.0:
The FileInfo object returned by Get-ChildItem has a "base" property, PSIsContainer. You want to select only those items.
Get-ChildItem -Recurse | ?{ $_.PSIsContainer }
If you want the raw string names of the directories, you can do
Get-ChildItem -Recurse | ?{ $_.PSIsContain...
What is the best way to compute trending topics or tags?
...e total number of days, sum of views, and sum of views squared in your database. If you have historic data, initialize these fields using that data, otherwise initialize to zero. At the end of each day, calculate the z-score using the day's number of views against the historic data stored in the thr...
One-liner to check whether an iterator yields at least one element?
...therwise, you could use, in the sentinel role, any value which you "know" (based on application considerations) that the iterator can't possibly yield.
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Extract a substring according to a pattern
..._ as a separator and made two separate variables for the prefix and suffix based on @Grothendieck answer: prefix <- sub("_.*", "", variable) and suffix <- sub(".*_", "", variable)
– swihart
Nov 13 '15 at 19:45
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Loop code for each file in a directory [duplicate]
...Vikström
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Converting PKCS#12 certificate into PEM using OpenSSL
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Set time part of DateTime in ruby
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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How do you delete an ActiveRecord object?
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Why it only updates deleted_at column data in my database? How can I delete the whole row of data?
– TommyQu
Sep 28 '17 at 15:42
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Creating the Singleton design pattern in PHP5
...en there are multiple subclasses.
Here is a correct inheritable Singleton base class.
class Singleton
{
private static $instances = array();
protected function __construct() {}
protected function __clone() {}
public function __wakeup()
{
throw new Exception("Cannot unse...
What is __future__ in Python used for and how/when to use it, and how it works
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So, based on the release version in the variables, if your interpreter is using a later version than indicate, the import __future__ xyz is a no-op?
– Ray
Apr 15 '16 at 15:15
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