The action of replacing something with another thing.
The action of replacing something with another thing.
Questions tagged [substitution]
1879 questions
20
votes
3 answers
How to get name of variable in R (substitute)?
I stacked with trying to pass variable through few functions, and on the final function I want to get the name of the original variable. But it seems like substitute function in R looked only in "local" environment, or just for one level up. Well,…
EvilAnton
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18
votes
2 answers
Substitution in a file name with reStructuredText (Sphinx)?
I want to create several files from a single template, which differ only by a variable name. For example :
(file1.rst):
.. |variable| replace:: 1
.. include template.rst
(template.rst) :
Variable |variable|
=====================
Image
-------
..…
pierre
- 770
- 7
- 14
18
votes
1 answer
How to split text into multiple lines based on a pattern using Vim?
Suppose you have this text:
name1 = "John"; age1 = 41;
name2 = "Jane"; age2 = 32;
name3 = "Mike"; age3 = 36;
...
and you want to split each line into two lines to give a result like this:
name1 = "John";
age1 = 41;
name2 = "Jane";
age2 = 32;
name3…
Ori Popowski
- 10,432
- 15
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- 79
17
votes
1 answer
Maven: property substitution not done for /project/version tag of pom?
http://maven.apache.org/pom.html#Properties says property "values are accessible anywhere within a POM".
Should this read "are accessible in most places within a POM"?
I can specify the version of a dependency no problem like so:
…
George Hawkins
- 37,044
- 7
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- 43
17
votes
1 answer
string variable not substituted in multi-line string
Here is the code/output all in one:
PS C:\code\misc> cat .\test.ps1; echo ----; .\test.ps1
$user="arun"
$password="1234*"
$jsonStr = @"
{
"proxy": "http://$user:$password@org.proxy.com:80",
"https-proxy":…
deostroll
- 11,661
- 21
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- 161
16
votes
7 answers
Iterating through array in SendGrid email template
I'm trying to iterate through a collection and display information in a SendGrid template using Ruby on Rails.
recipient = SendGrid::Recipient.new("sergio@gmail.com")
recipient.add_substitution("username",…
Sergio Tapia
- 9,173
- 12
- 35
- 59
15
votes
3 answers
Python Regex escape operator \ in substitutions & raw strings
I don't understand the logic in the functioning of the scape operator \ in python regex together with r' of raw strings.
Some help is appreciated.
code:
import re
text=' esto .es 10 . er - 12 .23 with [ and.Other ] here is more ;…
JFerro
- 3,203
- 7
- 35
- 88
15
votes
6 answers
Inline regex replacement in perl
Is there a way to replace text with a regex inline, rather than taking the text from a variable and storing it in a variable?
I'm a perl beginner. I often find myself writing
my $foo = $bar;
$foo =~ s/regex/replacement/;
doStuff($foo)
where I'd…
Charles
- 11,269
- 13
- 67
- 105
14
votes
2 answers
How do I avoid repetition in Java ResourceBundle strings?
We had a lot of strings which contained the same sub-string, from sentences about checking the log or how to contact support, to branding-like strings containing the company or product name. The repetition was causing a few issues for ourselves…
Hakanai
- 12,010
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- 132
14
votes
2 answers
How do I use the C preprocessor to make a substitution with an environment variable
In the code below, I would like the value of THE_VERSION_STRING to be taken from the value of the environment variable MY_VERSION at compile time
namespace myPluginStrings {
const char* pluginVendor = "me";
const char* pluginRequires = …
Julian Mann
- 6,256
- 5
- 31
- 43
14
votes
1 answer
Substitution with empty string: unexpected result
Why are the two printed numbers different?
#!/usr/bin/env perl
use warnings;
use 5.10.1;
my $sep = '';
my $number = 110110110110111;
$number =~ s/(\d)(?=(?:\d{3})+\b)/$1$sep/g;
say "A: <$number>";
$number =~ s/\Q$sep\E//g;
say "B:…
sid_com
- 24,137
- 26
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- 187
14
votes
4 answers
Bash eval replacement $() not always equivalent?
Everybody says eval is evil, and you should use $() as a replacement. But I've run into a situation where the unquoting isn't handled the same inside $().
Background is that I've been burned too often by file paths with spaces in them, and so like…
Shenme
- 1,182
- 1
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- 12
13
votes
3 answers
What does the Perl substitution operator act on?
I have been programming in Perl, off and on, for years now, although only sporadically is it my primary language. Because I often go months without writing any perl, I rely heavily on my dog-eared Camel Book to remind me how to do things. However,…
Ed Hyer
- 1,385
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- 19
13
votes
1 answer
How many substitutions took place in a Perl s///g?
Small example:
perl -e '$s="aaabbcc";$c=()=$s=~/a/g;print"$c\n$s\n"' (m//g) outputs
3
aaabbcc
whereas perl -e '$s="aaabbcc";$c=()=$s=~s/a/x/g;print"$c\n$s\n"' (s///g) outputs
1
xxxbbcc
I'd like to do both things at once without having to match…
musiKk
- 14,751
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- 82
13
votes
5 answers
Non-sequential substitution in SymPy
I'm trying to use [SymPy][1] to substitute multiple terms in an expression at the same time. I tried the [subs function][2] with a dictionary as parameter, but found out that it substitutes sequentially.
In : a.subs({a:b, b:c})
Out: c
The problem…
Mad Scientist
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