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EF Code First “Invalid column name 'Discriminator'” but no inheritance
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Turns out that Entity Framework will assume that any class that inherits from a POCO class that is mapped to a table on the database requires a Discriminator column, even if the derived class will not be saved to the DB.
The solution is quite simple and you just need to add [NotMapped] as an attr...
Current location permission dialog disappears too quickly
...the user's location, gets the co-ordinates , and provides a distance to or from their destination or origin. All these possible destinations are shown in a table view, so I'm getting the users co-ordinates at the same time as populating the table. The only thing is, the alert view that asks for the ...
scp or sftp copy multiple files with single command
I'd like to copy files from/to remote server in different directories.
For example, I want to run these 4 commands at once.
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Clang vs GCC - which produces faster binaries? [closed]
...25 |
The points of note here are:
Neither compiler now benefits at all from -O3 optimization.
Clang beats GCC just as importantly at each level of optimization.
GCC's performance is only marginally affected by the smart-pointer type
change.
Clang's -O2 performance is importantly affected by the...
Adjust width and height of iframe to fit with content in it
...tuck with the DOM outside the iFrame (and couldn't pick up an event coming from inside the iFrame).
The solution came from discovering (via assistance from a colleague) that jQuery can be told what DOM to use. In this case, the DOM of the parent window.
As such, code such as this does what you nee...
Copy folder structure (without files) from one location to another
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Best answer from me with find. Else you can try rsync solution from Chen Levy answer in this SO question
– Mat M
May 14 '14 at 13:14
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Can I mix MySQL APIs in PHP?
...ence:
You can't mix any of the three (mysql_*, mysqli_*, PDO) MYSQL API's from PHP together, it just doesn't work. It's even in the manual FAQ:
It is not possible to mix the extensions. So, for example, passing a mysqli connection to PDO_MySQL or ext/mysql will not work.
You need to use the...
Continuously read from STDOUT of external process in Ruby
I want to run blender from the command line through a ruby script, which will then process the output given by blender line by line to update a progress bar in a GUI. It's not really important that blender is the external process whose stdout I need to read.
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How to prevent rm from reporting that a file was not found?
...r a command to make rm quiet, but the only option I found is -f , which from the description, "ignore nonexistent files, never prompt", seems to be the right choice, but the name does not seem to fit, so I am concerned it might have unintended consequences.
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nodejs how to read keystrokes from stdin
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For those finding this answer since this capability was stripped from tty, here's how to get a raw character stream from stdin:
var stdin = process.stdin;
// without this, we would only get streams once enter is pressed
stdin.setRawMode( true );
// resume stdin in the parent process (no...