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How to count objects in PowerShell?
As I'm reading in the PowerShell user guide, one of the core PowerShell concepts is that commands accept and return objects instead of text. So for example, running get-alias returns me a number of System.Management.Automation.AliasInfo objects:
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Is That REST API Really RPC? Roy Fielding Seems to Think So
...ation is a bit scattered. The actual question comes at the end if you're already familiar with this topic.
9 Answers
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Resync git repo with new .gitignore file
...ave other more fine-grained solution in the blog post "Making Git ignore already-tracked files":
git rm --cached `git ls-files -i --exclude-standard`
Bassim suggests in his edit:
Files with space in their paths
In case you get an error message like fatal: path spec '...' did not match any files, ...
What to do Regular expression pattern doesn't match anywhere in string?
...nputs.
Here's some Perl (pseudo)code to show you what I mean:
my $html = readLargeInputFile();
my @input_tags = $html =~ m/
(
<input # Starts with "<input"
(?=[^>]*?type="hidden") # Use lookahead to make sure that type="hidden"
[^>]...
PostgreSQL wildcard LIKE for any of a list of words
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How do you know it ? most of documentation I've read says that regex are slower and a LIKE %...
– DestyNova
Jul 24 '15 at 14:26
5
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.bashrc at ssh login
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fwiw Debian Jessie/8 already sources .bashrc out-of-the-box - but it does it from .profile, not .bash_profile.
– underscore_d
Oct 18 '15 at 14:06
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Can't install Ruby under Lion with RVM – GCC issues
... you should not need GCC. If you’re installing an older version of Ruby, read on.
To compile Ruby with GCC, you need a non-LLVM version of GCC, which is no longer included with XCode 4.2. Install it yourself (or downgrade to XCode 4.1 temporarily), then do CC=/usr/local/bin/gcc-4.2 rvm install 1....
Python, Unicode, and the Windows console
...gt; 2
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There's some more information on that page, well worth a read.
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What is the difference between a generative and a discriminative algorithm?
... learns the conditional probability distribution p(y|x) - which you should read as "the probability of y given x".
Here's a really simple example. Suppose you have the following data in the form (x,y):
(1,0), (1,0), (2,0), (2, 1)
p(x,y) is
y=0 y=1
-----------
x=1 | 1/2 0
x=2 | 1/4...
What does it mean to inflate a view from an xml file?
...flate the layout. By the time you call findViewById the view objects are already in memory, and the only reason you do so is to get a reference to that particular object (either to change it or get data out of it).
– Cristian
May 4 '17 at 11:42
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