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Problems with contenttypes when loading a fixture in Django
I am having trouble loading Django fixtures into my MySQL database because of contenttypes conflicts. First I tried dumping the data from only my app like this:
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Get OS-level system information
... Runtime.getRuntime().totalMemory());
/* Get a list of all filesystem roots on this system */
File[] roots = File.listRoots();
/* For each filesystem root, print some info */
for (File root : roots) {
System.out.println("File system root: " + root.getAbsolutePath());
Sy...
Finding duplicate values in a SQL table
...QL Server 2017) still requires all non-aggregated columns in the GROUP BY.
MySQL is unpredictable and you need sql_mode=only_full_group_by:
GROUP BY lname ORDER BY showing wrong results;
Which is the least expensive aggregate function in the absence of ANY() (see comments in accepted answer).
Ora...
How do you write multiline strings in Go?
...DanieleD That's a slight nonsequitur, but which dialect? Presumably mainly MySQL? stackoverflow.com/a/10574031 Note that by extension of the same argument, it's a pain for embedding markdown, or shell scripts (if you opt to use backtick in place of $(abcd)).
– Ivan Vučica
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Should I use px or rem value units in my CSS? [closed]
... <div> - 1.25px
The CSS3 rem, which is always relative only to the root html element, is now supported on 96% of all browsers in use.
The Opinion
I think everyone agrees that it's good to design your pages to be accommodating to everyone, and to make consideration for the visually impaire...
Add a reference column migration in Rails 4
... Active Record only supports single column foreign keys and currently only mysql, mysql2 and PostgreSQL adapters are supported. Don't try this with other adapters like sqlite3, etc. Refer to Rails Guides: Foreign Keys for your reference.
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Getting root permissions on a file inside of vi? [closed]
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If you need root privileges to save a new file, replace % with the name (including path) of the new file.
– gvkv
Aug 10 '10 at 0:47
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Verify a certificate chain using openssl verify
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If a certificate is found which is its own issuer it is assumed to be the root CA.
In other words, root CA needs to self signed for verify to work. This is why your second command didn't work. Try this instead:
openssl verify -CAfile RootCert.pem -untrusted Intermediate.pem UserCert.pem
It will v...
gdb fails with “Unable to find Mach task port for process-id” error
...nks. This plus code signing were required to get gdb to work. I gave gdb root access (as described here stackoverflow.com/questions/10476154/…) so I didn't have to type sudo each time. Edit - Found a better approach here: stackoverflow.com/a/10441587/305149
– Aneil Mallava...
How can I detect if the user is on localhost in PHP?
...n.
I think what you remember with PHPMyAdmin is something different: Many MySQL Servers are configured so that they can only be accessed from localhost for security reasons.
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