Computer programming languages' facility for embedding text in source code, also known as String literals
In plain English: String literals can be enclosed in matching single quotes (') or double quotes (").
Questions tagged [quotes]
2134 questions
1417
votes
40 answers
How can I output MySQL query results in CSV format?
Is there an easy way to run a MySQL query from the Linux command line and output the results in CSV format?
Here's what I'm doing now:
mysql -u uid -ppwd -D dbname << EOQ | sed -e 's/ /,/g' | tee list.csv
select id, concat("\"",name,"\"") as…
MCS
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873
votes
7 answers
Difference between single and double quotes in Bash
In Bash, what are the differences between single quotes ('') and double quotes ("")?
jrdioko
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772
votes
13 answers
When to use single quotes, double quotes, and backticks in MySQL
I am trying to learn the best way to write queries. I also understand the importance of being consistent. Until now, I have randomly used single quotes, double quotes, and backticks without any real thought.
Example:
$query = 'INSERT INTO table (id,…
Nate
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744
votes
8 answers
YAML: Do I need quotes for strings in YAML?
I am trying to write a YAML dictionary for internationalisation of a Rails project. I am a little confused though, as in some files I see strings in double-quotes and in some without. A few points to consider:
example 1 - all strings use double…
Alexander Popov
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715
votes
8 answers
Insert text with single quotes in PostgreSQL
I have a table test(id,name).
I need to insert values like: user's log, 'my user', customer's.
insert into test values (1,'user's log');
insert into test values (2,''my users'');
insert into test values (3,'customer's');
I am getting an error…
MAHI
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639
votes
8 answers
Expansion of variables inside single quotes in a command in Bash
I want to run a command from a bash script which has single quotes and some other commands inside the single quotes and a variable.
e.g. repo forall -c '....$variable'
In this format, $ is escaped and the variable is not expanded.
I tried the…
Rachit
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476
votes
21 answers
How to run an EXE file in PowerShell with parameters with spaces and quotes
How do you run the following command in PowerShell?
C:\Program Files\IIS\Microsoft Web Deploy\msdeploy.exe -verb:sync -source:dbfullsql="Data Source=mysource;Integrated Security=false;User ID=sa;Pwd=sapass!;Database=mydb;" -dest:dbfullsql="Data…
Vans
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404
votes
10 answers
How can I escape a double quote inside double quotes?
How can I escape double quotes inside a double string in Bash?
For example, in my shell script
#!/bin/bash
dbload="load data local infile \"'gfpoint.csv'\" into table $dbtable FIELDS TERMINATED BY ',' ENCLOSED BY '\"' LINES TERMINATED BY \"'\n'\"…
Sean Nguyen
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348
votes
5 answers
How to execute a bash command stored as a string with quotes and asterisk
I try to execute the following command :
mysql AMORE -u username -ppassword -h localhost -e "SELECT host FROM amoreconfig"
I store it in a string :
cmd="mysql AMORE -u username -ppassword -h localhost -e\"SELECT host FROM amoreconfig\""
Test…
Barth
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315
votes
7 answers
What is the difference between single and double quotes in SQL?
What is the difference between single quotes and double quotes in SQL?
Vineet
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304
votes
4 answers
When to wrap quotes around a shell variable?
Should or should I not wrap quotes around variables in a shell script?
For example, is the following correct:
xdg-open $URL
[ $? -eq 2 ]
or
xdg-open "$URL"
[ "$?" -eq "2" ]
And if so, why?
Cristian
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284
votes
5 answers
What do single quotes do in C++ when used on multiple characters?
I'm curious about this code:
cout << 'test'; // Note the single quotes.
gives me an output of 1952805748.
My question: Is the output an address in memory or something?
lucidreality
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270
votes
11 answers
How to select between brackets (or quotes or ...) in Vim?
I'm sure there used to be a plugin for this kinda stuff, but now that I need it, I can't seem to find it (naturally), so I'll just ask nice and simple.
What is the easiest way to select between brackets, or quotes, or generally a list of matching…
Rook
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256
votes
6 answers
Convert XmlDocument to String
Here is how I'm currently converting XMLDocument to String
StringWriter stringWriter = new StringWriter();
XmlTextWriter xmlTextWriter = new XmlTextWriter(stringWriter);
xmlDoc.WriteTo(xmlTextWriter);
return stringWriter.ToString();
The problem…
akif
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252
votes
13 answers
Escape quotes in JavaScript
I'm outputting values from a database (it isn't really open to public entry, but it is open to entry by a user at the company -- meaning, I'm not worried about XSS).
I'm trying to output a tag like this:
Matt Dawdy
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