The action of replacing something with another thing.
The action of replacing something with another thing.
Questions tagged [substitution]
1879 questions
0
votes
1 answer
Substitute symbolic variables with vectors
Consider the script
syms a b;
f = a.*b;
a = [1 2];
b = [0 2];
subs(f)
This yields a vector as output ([0, 4]), but the intended output is a scalar (4), given the element-wise multiplication that should be performed.
How can I properly utilize…
Eivind
- 301
- 6
- 18
0
votes
1 answer
Replace end of string on many lines with values from array
I have a file that contains:
asd x
sometihng else
asd x
sometihng else
asd x
and an array that contains values=(3,4,5).
And now I want to replace the "x" on the first line in the file, with the value of the first element in the…
Alexander Ohm
- 103
- 2
0
votes
1 answer
IzPack 5.1 - use user input variables in bash script without substitution
Hopefully someone could help me here with following problem – tried to find a solution for this for weeks but unfortunately wasn’t able to find one.
I am using IzPack (recently updated to 5.1) as an installer for a software package. This package…
M4r10
- 1
- 1
0
votes
2 answers
Python substitute elements inside a list
I have the following code that is filtering and printing a list. The final output is json that is in the form of name.example.com. I want to substitute that with name.sub.example.com but I'm having a hard time actually doing that. filterIP is a…
Brando__
- 365
- 6
- 24
0
votes
2 answers
Python string substitute
I have the following bit of code that returns some json. I want to change the output to be .sub.example.com. Normally I would be able to do this in awk, but in this particular case it needs to be handled in python.
What I've been trying to do is…
Brando__
- 365
- 6
- 24
0
votes
1 answer
vim 7.4 saving substitution pattern and replacement
I have a function in my .vimrc file to remove any whitespace at the end of my lines:
" Remove trailing space on write
function! StripTrailingWhitespaces()
let _s=@/
let l = line(".")
let c = col(".")
%s/\s\+$//e
let @/=_s
…
Vinz
- 5,997
- 1
- 31
- 52
0
votes
0 answers
Make advanced font settings using JS?
The "Standard", "Sans-Serif", "Serif", "Monospace" are set to font-names by the browsers and its users with extensions like the "Advanced font setting" which is written in JS. is there a way to change the font-names that it refers to with javascript…
Romain Guillaume
- 43
- 4
0
votes
3 answers
Remove single quotes around string in excel
In my excel I have the following text in a cell:
INSERT INTO `educations`(`education_id`, `school`, `specialization`, `date_from`, `date_to`, `user_id`) VALUES (NULL,'NULL','software','2006-01-01 00:00:00','2006-01-01 00:00:00',@inserted_id);
I…
Dennis
- 3,044
- 2
- 33
- 52
0
votes
2 answers
Quotes in variable - comparison and substitution
I define variable like:
set LOGGING_MANAGER=-Djuli-logback.configurationFile=file:"%CATALINA_HOME%\conf\logback.xml"
Notice, that I wrap %CATALINA_HOME%\conf\logback.xml in double quotes, because path may contain spaces. And at execution step this…
learp
- 153
- 8
0
votes
0 answers
Substitute variable inside another variable in bash
This is my sample bash code:
exec_command(){
command_1=""
command_2=""
command_3=""
now=$@
echo $now
}
for (( i=1; i<=3; i++ )); do
exec_command "command_$i"
Here the…
Muradin
- 3
- 4
0
votes
1 answer
How do I reference my own class in an Android content XML file?
I'm using Android Studio and in my content XML file, I was referencing android.support.v4.view.ViewPager. Instead of the ViewPager class, I want to use my own VerticalViewPager class.
How would I do that? Here is what I have…
Terry Neckar
- 137
- 1
- 8
0
votes
1 answer
mysql select if field row is blank substitute data from another field on sametable
uid external
rn345 --
ev456 --
-- Peter
So I have the above table and I want to select the uid however I also wanted to substitute the value on the "external" field to the "uid" field if the value is blank.
So essentially, I would…
ubay25
- 23
- 7
0
votes
1 answer
explanation for call expansion failing
I'm looking for some tips in troubleshooting the failure of call to expand t, z, and a.
Example:
for /F "delims=" %%F in (
'dir /b "%source%\*." '
) do if not exist "%target%\%%~nF.jpg" copy "%source%\%%~F" "%target%\%%~nF.jpg"
for /F "delims="…
c.diaz
- 17
- 5
0
votes
1 answer
MATLAB - subs method doesn't work on symbolic vector of indexed variables
Consider the following code:
A = sym('a', [1, 2]);
b = sym('b');
ans = A.^2 + b;
A = [1, 2];
b = 4;
subs(ans)
This yields the output
ans = [ a1^2 + 4, a2^2 + 4]
Whereas I would have wanted it to produce
ans = [ 5, 8]
What is required for…
Eivind
- 301
- 6
- 18
0
votes
2 answers
vba - saving file to my personal desktop code
I have the following code which is designed so I can quick save to my desktop and then put the file into a folder. This code works fine if the file is already saved in an .xls, .csv, .xlsx or .xlsm file extension, however, when the file IS NOT…
Mike Mirabelli
- 402
- 3
- 16