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django admin - add custom form fields that are not part of the model
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@sthzg, Because it's not correct. It gives me the error: YourModelAdmin.list_display[0], 'extra_field' is not a callable or an attribute of 'YourModelAdmin' or found in the model 'YourModel'.
– Cerin
Jun 13 '16 at 15:39
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Xcode 5.1 - No architectures to compile for (ONLY_ACTIVE_ARCH=YES, active arch=x86_64, VALID_ARCHS=i
... I can no longer build my project for the 64-bit simulator, receiving this error:
18 Answers
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Import SQL file into mysql
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In windows, if the above suggestion gives you an error (file not found or unknown db) you may want to double the forward slashes:
In the mysql console:
mysql> use DATABASE_NAME;
mysql> source C://path//to//file.sql;
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How can I prevent SQL injection in PHP?
...ute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
In the above example the error mode isn't strictly necessary, but it is advised to add it. This way the script will not stop with a Fatal Error when something goes wrong. And it gives the developer the chance to catch any error(s) which are thrown as...
MySQL > Table doesn't exist. But it does (or it should)
...se that uses InnoDB tables, you will get this crazy 'table does not exist' error mentioned above.
The issue is that you need the ib* files in the root of the MySQL datadir (e.g. ibdata1, ib_logfile0 and ib_logfile1).
When I copied those it worked for me.
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curl: (60) SSL certificate problem: unable to get local issuer certificate
...ating to 'SSL certificate problem: unable to get local issuer certificate' error. It is important to note that this applies to the system sending the CURL request, and NOT the server receiving the request.
Download the latest cacert.pem from https://curl.haxx.se/ca/cacert.pem
Add the following lin...
Why is SCTP not much used/known
... are completely right -- see tools.ietf.org/html/draft-ietf-behave-sctpnat-05 for a proposed way around this. This is the 3rd set of Internet Drafts on the same topic...
– Bwooce
Sep 25 '11 at 5:54
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@UniqueConstraint annotation in Java
...nnotating multiple unique keys at the table level, which is why you get an error when applying it to a field.
References (JPA TopLink):
@UniqueConstraint
@Column
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What do commas and spaces in multiple classes mean in CSS?
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answered Jul 27 '10 at 14:05
Alan PeabodyAlan Peabody
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How to modify a specified commit?
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edited Aug 7 '19 at 22:05
Marco Faustinelli
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