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Add Foreign Key to existing table
I want to add a Foreign Key to a table called "katalog".
13 Answers
13
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Python AttributeError: 'module' object has no attribute 'Serial' [duplicate]
I'm trying to access a serial port with Python 2.6 on my Raspberry Pi running Debian.
My script named serial.py tries to import pySerial:
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Disable messages upon loading a package
...onment. Upon loading the package, a set of messages are printed. This is ordinarily fine, but since the output of my R script is being used for further analysis I want to completely disable all of this output. How do I do that? Furthermore, I'd prefer to do it without having to modify ROCR at al...
How can I catch a “catchable fatal error” on PHP type hinting?
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Update: This is not a catchable fatal error anymore in php 7. Instead an "exception" is thrown. An "exception" (in scare quotes) that is not derived from Exception but Error; it's still a Throwable and can be handled with a normal try-catch block. see https://wiki.p...
How can I disable the Maven Javadoc plugin from the command line?
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See @Christoph-Tobias Schenke answer for approach to take with child modules.
– ecoe
Jan 26 '18 at 0:30
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Recursively list all files in a directory including files in symlink directories
Suppose I have a directory /dir inside which there are 3 symlinks to other directories
/dir/dir11 , /dir/dir12 , and /dir/dir13 . I want to list all the files in dir including the ones in dir11 , dir12 and dir13 .
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Advanced JavaScript: Why is this function wrapped in parentheses? [duplicate]
.../ Some code
}();
Because you have to wrap the function in parentheses in order to make it parse as an expression. More information is here: http://benalman.com/news/2010/11/immediately-invoked-function-expression/
So to recap quickly on the IIFE pattern:
(function() {
// Some code
})();
Allo...
javascript node.js next()
... where a reference to the next function to execute is given to a callback for it to kick-off when it's done.
See, for example, the code samples here:
http://blog.mixu.net/2011/02/02/essential-node-js-patterns-and-snippets/
Let's look at the example you posted:
function loadUser(req, res, next...
Calling JavaScript Function From CodeBehind
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I would go for the ScriptManager.RegisterStartupScript(Page, typeof(Page), "somekey", script, true); approach. It works during partial postbacks as well.
– rdmptn
Apr 19 '13 at 12:27
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How do I read the source code of shell commands?
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All these basic commands are part of the coreutils package.
You can find all information you need here:
http://www.gnu.org/software/coreutils/
If you want to download the latest source, you should use git:
git clone git://git.sv.gnu.org/coreutils
To install git ...