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Multiple ModelAdmins/views for same model in Django admin
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Now the real answer is, why django doesn't let you have two admin's for the same model? we shouldn't need to hack around things for just 2 lines that checks that and throws an error :s. Great answer still!
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What's the best way to iterate over two or more containers simultaneously
...t simple enough to live in isolation without using a library (and it is!). Now I would probably write it as a wrapper around Boost.Range. That said, the performance of my library is already optimal. What I mean by this is that using my indices implementation yields compiler output which is identical...
An error occurred while installing pg (0.17.1), and Bundler cannot continue
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And now, as of 1/22/15 we're looking at the 9.4 release, it's good to see they're keeping it updated -- "gem install pg -- --with-pg-config=/Applications/Postgres.app/Contents/Versions/9.4/bin/pg_config"
– c...
NSRange to Range
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Therefore the text replacement in the text field delegate method
can now be done as
func textField(_ textField: UITextField,
shouldChangeCharactersIn range: NSRange,
replacementString string: String) -> Bool {
if let oldString = textField.text {
l...
Create unique constraint with null columns
...rom favo_3col_uni_idx and your requirements are still enforced.
The index, now comprising the whole table, overlaps with the other one and gets bigger. Depending on typical queries and the percentage of NULL values, this may or may not be useful. In extreme situations it might even help to maintain ...
Formatting code snippets for blogging on Blogger [closed]
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I used to use hilite.me, but now I prefer dillinger.io
– GoYun.Info
Mar 19 '15 at 1:48
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How do I count the number of occurrences of a char in a String?
...ly-written and poorly-maintained "*Utils" classes. Part of your job is to know what's available in Apache Commons.
– AbuNassar
Oct 5 '16 at 14:58
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How to convert AAR to JAR
...ProjectLib.jar) and move it to the lib folder within the extracted folder.
Now in order for Eclipse to accept it you need to put two files into the extracted folder root:
.project
.classpath
To do that, create a new Android dummy project in Eclipse and copy over the files, or copy over from an ex...
How to convert a byte array to a hex string in Java?
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@maybeWeCouldStealAVan: JDK 7 is now open source. We should submit a patch to improve performance for printHexBinary?
– kevinarpe
Jul 10 '13 at 17:05
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How to avoid installing “Unlimited Strength” JCE policy files when deploying an application?
...s 256-bit AES encryption which is not supported by Java out of the box. I know to get this to function correctly I install the JCE unlimited strength jars in the security folder. This is fine for me being the developer, I can install them.
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