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SQL Server Escape an Underscore
...expected. Instead of trying to hassle with it, I went with a work around:
select * from information_schema.columns
where replace(table_name,'_','!') not like '%!%'
order by table_name
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imp...
Should I index a bit field in SQL Server?
...ndex would be good because it will order them by value and then be able to select the small working set very quickly. If you agree, add that and I will accept it.
– jeremcc
Oct 23 '08 at 21:01
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How to ssh to vagrant without actually running “vagrant ssh”?
...lhost
To account for when you have more than one vagrant host, this will select the desired host, as well as cull blank lines from the config (using sed):
HOST=name-of-my-host
ssh $(vagrant ssh-config $HOST | sed '/^[[:space:]]*$/d' | awk 'NR>1 {print " -o "$1"="$2}') localhost
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How to select all records from one table that do not exist in another table?
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SELECT t1.name
FROM table1 t1
LEFT JOIN table2 t2 ON t2.name = t1.name
WHERE t2.name IS NULL
Q: What is happening here?
A: Conceptually, we select all rows from table1 and for each row we attempt to find a row in table2 wi...
How to find out what character key is pressed?
I would like to find out what character key is pressed in a cross-browser compatible way in pure Javascript.
8 Answers
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Replace one substring for another string in shell script
...easily breaks on any nontrivial input string (irregular spacing, shell metacharacters, etc).
– tripleee
Jul 17 '18 at 16:54
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Indentation shortcuts in Visual Studio
I'm new to Visual Studio 2010 and C#. How can I indent the selected text to left/right by using shortcuts?
8 Answers
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How to check file MIME type with javascript before upload?
...d see three remote images of different types displayed. At the top you can select a local image or data file, and the file signature and/or MIME type will be displayed.
Notice that even if an image is renamed, its true MIME type can be determined. See below.
Screenshot
// Return the first...
How to convert a currency string to a double with jQuery or Javascript?
... To handle negative numbers in the string, I added a '-' to the list of chars to accept, i.e. .replace(/[^0-9-\.]+/g, "")
– tonycoupland
Nov 27 '13 at 13:28
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In an array of objects, fastest way to find the index of an object whose attributes match a search
...ANSWER is the most EFFICIENT since it doesn't iterate the whole array. The selected answer will map complete array and then findIndex which is bound to iterate through whole array once
– Karun
Aug 2 '19 at 11:30
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