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Using “like” wildcard in prepared statement
..., "!%")
.replace("_", "!_")
.replace("[", "![");
PreparedStatement pstmt = con.prepareStatement(
"SELECT * FROM analysis WHERE notes LIKE ? ESCAPE '!'");
pstmt.setString(1, notes + "%");
or a suffix-match:
pstmt.setString(1, "%" + notes);
or a global match:
pstmt.setString(1, "...
What does inverse_of do? What SQL does it generate?
...gnment against non existing or invalid entries with validates_presence of :user_id, :role_id, it is useful. You can still generate a User @user with his association @user.role(params[:role_id]) so that saving the user would not result in a failing validation of the Assignment model.
...
How to make PowerShell tab completion work like Bash
...
New versions of PowerShell include PSReadline, which can be used to do this:
Set-PSReadlineKeyHandler -Key Tab -Function Complete
To make it permanent, put this command into C:\Users\[User]\Documents\WindowsPowerShell\profile.ps1.
...
How to run an EXE file in PowerShell with parameters with spaces and quotes
...es the string, that is, it typically echos it to the screen, for example:
PS> "Hello World"
Hello World
If you want PowerShell to interpret the string as a command name then use the call operator (&) like so:
PS> & 'C:\Program Files\IIS\Microsoft Web Deploy\msdeploy.exe'
After th...
How to find out which processes are using swap space in Linux?
... When using the ? key you can see the actual program name and version, procps-ng being the latest version. This is a fork by Debian, Fedora and openSUSE: gitorious.org/procps . If you would still like to do a sort on the SWAP column: Use the 'f' key to see the fields, use the arrow keys to go t...
How to show particular image as thumbnail while implementing share on Facebook?
... type of page
The URL
The websites name
A description of the page
Facebook user_id's of administrators of the page ( on facebook )
Here is an example ( taken from the facebook documentation ) of some og:tags
<meta property="og:title" content="The Rock"/>
<meta property="og:type" content=...
Find what filetype is loaded in vim
...cpp'
setlocal noexpandtab
endif
& syntax works for all options: https://vi.stackexchange.com/questions/2569/how-do-i-check-the-value-of-a-vim-option-in-vimscript
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How to convert TimeStamp to Date in Java?
...y to pass those integers to our SQL code defined above.
PreparedStatement ps = con.prepareStatement( sql );
ps.setObject( 1 , start ) ;
ps.setObject( 2 , stop ) ;
ResultSet rs = ps.executeQuery();
When you retrieve your integer values from the ResultSet, you can transform into Instant objects (al...
Cannot open database “test” requested by the login. The login failed. Login failed for user 'xyz\ASP
... than not set up as a login.
To test if it's set up as a login
SELECT SUSER_ID('xyz\ASPNET') -- (**not** SUSER_SID)
If NULL
CREATE LOGIN [xyz\ASPNET] FROM WINDOWS
If not NULL
USE test
GO
SELECT USER_ID('xyz\ASPNET')
If NULL
USE test
GO
CREATE USER [xyz\ASPNET] FROM LOGIN [xyz\ASPNET]
...
converting CSV/XLS to JSON? [closed]
...
This worked perfectly for me and does NOT require a file upload:
https://github.com/cparker15/csv-to-json?files=1
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