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How to get the insert ID in JDBC?
...ported it for ages. PostgreSQL started to support it not long ago. I can't comment about MSSQL as I've never used it.
For Oracle, you can invoke a CallableStatement with a RETURNING clause or a SELECT CURRVAL(sequencename) (or whatever DB-specific syntax to do so) directly after the INSERT in the s...
Get model's fields in Django
...e 1.3 or 1.4. I imagine effort will be made to ensure things are backwards compatible, because lots of people have been using it anyway.
If you're particularly concerned about compatibility, write a function that takes a model and returns the fields. This means if something does change in the futur...
Pipe output and capture exit status in Bash
I want to execute a long running command in Bash, and both capture its exit status, and tee its output.
15 Answers
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How to reference a method in javadoc?
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You will find much information about JavaDoc at the Documentation Comment Specification for the Standard Doclet, including the information on the
{@link package.class#member label}
tag (that you are looking for). The corresponding example from the documentation is as follows
For...
How do you get a Golang program to print the line number of the error it just called?
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AngularJs ReferenceError: $http is not defined
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How to check file MIME type with javascript before upload?
...s[i]; // See step 1 above
console.log(blob.type);
For images, MIME types come back like the following:
image/jpeg
image/png
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Caveat: The MIME type is detected from the file extension and can be fooled or spoofed. One can rename a .jpg to a .png and the MIME type will be be reported as...
Difference between LoadFile and LoadFrom with .NET Assemblies?
... Why do you check two string references for value equality with string.Compare(x, y) == 0? I think you want x == y there? If for obscure reasons you do want culture-dependent equality check, it is more clear to write string.Equals(x, y, StringComparison.CurrentCulture), for example.
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