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How to check whether dynamically attached event listener exists or not?
...);
}
Creating special attribute for an element when listener is attached and then checking if it exist.
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Passing current scope to an AngularJS Service
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@Caio Cunha Could you expand on why it's not a good idea to pass a scope? I'm having exactly this issue, I want to add some stuff to $scope via a call to a service using an async executeSql() function. Looking into 3 options (1) use a callback on the...
Combining INSERT INTO and WITH/CTE
I have a very complex CTE and I would like to insert the result into a physical table.
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SVN Error - Not a working copy
Recently our svn server was changed and we did a svn switch.
22 Answers
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Get element inside element by class and ID - JavaScript
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Might be good to edit this answer and change .innerHtml to .textContent for the security benefit of copy/paste coders.
– codescribblr
Sep 24 '18 at 18:00
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Unique Constraint in Entity Framework Code First
...h unique constraints... you may want to create indexes, check constraints, and possibly triggers and other constructs too. Here's a simple pattern you can use with your code-first setup, though admittedly it's not database agnostic:
public class MyRepository : DbContext {
public DbSet<Whate...
How to use mod operator in bash?
... calculate it as -2. You can test it with simple echo $((-12 % 10)) (-2) and compare it with python3 python3 -c "print(-12 % 10)" (8).
– Lirt
Jan 28 '19 at 22:39
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Django self-referential foreign key
I'm kind of new to webapps and database stuff in general so this might be a dumb question. I want to make a model ("CategoryModel") with a field that points to the primary id of another instance of the model (its parent).
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How to permanently set $PATH on Linux/Unix? [closed]
... session. In case of the shell script you must use a specific shell syntax and export or set commands.
System wide
/etc/environment List of unique assignments, allows references. Perfect for adding system-wide directories like /usr/local/something/bin to PATH variable or defining JAVA_HOME. Used ...
How to enable cross-origin resource sharing (CORS) in the express.js framework on node.js
...l providing static files from a public directory. I'm using the express.js and am not really sure how to allow cross-domain scripting ( Access-Control-Allow-Origin: * ).
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