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Float vs Decimal in ActiveRecord
...In Rails 4.1.0, I have faced problem with saving latitude and longitude to MySql database. It can't save large fraction number with float data type. And I change the data type to decimal and working for me.
def change
change_column :cities, :latitude, :decimal, :precision => 15, :scale =...
What's the difference between HEAD, working tree and index, in Git?
... in a single file called "index"--and that index file happens to be in the root of the .git directory. So if you define the repo as the .git directory, the staging area is technically inside the repo. The third column would be better labeled "HEAD's Root tree object" to indicate that the checked-out...
A html space is showing as %2520 instead of %20
...I assume because you are not solving the matter, just covering it up - the root cause it still somewhere there, and you're doing double work ( somewhere you are accidentally encoding twice, and somewhere else you're decoding manually in order to cover it up ). Assuming you want to do things "proper...
Execute and get the output of a shell command in node.js
...or) {
console.error(error.toString());
}
}
main();
Sample Output
root:x:0:0::/root:/bin/bash
[output trimmed, bottom line it succeeded]
Error: Command failed: cat /etc/shadow
cat: /etc/shadow: Permission denied
Try it online.
Repl.it.
External resources
Promises.
child_process.exec....
How to add Active Directory user group as login in SQL Server
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Is there any chance to create groups in mysql like above?
– uzay95
Jul 17 '12 at 11:14
2
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What's wrong with foreign keys?
...e possible to temporarily turn off foreign key checks while running tests. MySQL, at least, supports this.
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What is the difference between DAO and Repository patterns?
...sitory would be considered closer to the Domain, dealing only in Aggregate Roots.
Repository could be implemented using DAO's, but you wouldn't do the opposite.
Also, a Repository is generally a narrower interface. It should be simply a collection of objects, with a Get(id), Find(ISpecificati...
generate model using user:references vs user_id:integer
...tionship. Therefore when you generate the EER Diagrams using software like MySql Workbench you find that there is no relationship threads drawn between the models. Like in the following pic
However, if you use the later method you find that you migration file looks like:
def change
create_ta...
Closing JDBC Connections in Pool
...
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Html code as IFRAME source rather than a URL
...ml code? so my problem is simple, I have a page it loads an HTML body from MYSQL I want to present that code in a frame so it renders it self independent of the rest of the page and in the confines of that specific bordering.
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