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How to do a LIKE query in Arel and Rails?
I want to do something like:
3 Answers
3
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Show or hide element in React
I am messing around with React.js for the first time and cannot find a way to show or hide something on a page via click event. I am not loading any other library to the page, so I am looking for some native way using the React library. This is what I have so far. I would like to show the results...
What's the difference between TRUNCATE and DELETE in SQL
...s system-specific issues have to be considered, as detailed below.
Statement type
Delete is DML, Truncate is DDL (What is DDL and DML?)
Commit and Rollback
Variable by vendor
SQL*Server
Truncate can be rolled back.
PostgreSQL
Truncate can be rolled back.
Oracle
Because a TRUNCATE is DD...
LINQ to Entities does not recognize the method
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As you've figured out, Entity Framework can't actually run your C# code as part of its query. It has to be able to convert the query to an actual SQL statement. In order for that to work, you will have to restructure your query expression into an expression ...
How to exit a function in bash
...eeds to be taken with set -e and returning non-zero values, as that caught me by surprise in the past.
– Yevgeniy Brikman
Jul 12 '19 at 21:19
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Pacman: how do the eyes find their way back to the monster hole?
...nd a lot of references to the AI of the ghosts in Pacman, but none of them mentioned how the eyes find their way back to the central ghost hole after a ghost is eaten by Pacman.
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What is the easiest way to remove all packages installed by pip?
...exclude those lines and remove the packages manually (elevated from the comments below):
pip freeze | grep -v "^-e" | xargs pip uninstall -y
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Creating a new directory in C
.../stat.h>
#include <unistd.h>
struct stat st = {0};
if (stat("/some/directory", &st) == -1) {
mkdir("/some/directory", 0700);
}
You can see the manual of these functions with the man 2 stat and man 2 mkdir commands.
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How do I force detach Screen from another SSH session?
...thinks it's attached. Maybe it is. Perhaps I don't really know what that means.
4 Answers
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Prevent line-break of span element
I have a <span> element which I want to display without any line break. How can I do that?
4 Answers
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