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Classpath including JAR within a JAR
...s your application and its required libraries, there are two ways (that I know of) to do that. The first is One-Jar, which uses a special classloader to allow the nesting of jars. The second is UberJar, (or Shade), which explodes the included libraries and puts all the classes in the top-level jar...
Algorithm to compare two images
...at the minimum) a large human analysed set of test data where matches are known beforehand. If for example in your test data you have 1,000 images where 5% of them match, you now have a reasonably reliable benchmark. An algorithm that finds 10% positives is not as good as one that finds 4% of posi...
Disable validation of HTML5 form elements
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Excellent - I'll try it out tomorrow and let you know how it goes. Thanks.
– nickf
Jun 22 '10 at 12:54
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Is there any way to do HTTP PUT in python
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This answer was brilliant when it was written, but nowadays it's a lot easier to use the 'requests' package instead, see John Carter's answer. 'Requests' is in no way a toy - it is extremely capable.
– Jonathan Hartley
Feb 8 '12 at 18:15...
How should equals and hashcode be implemented when using JPA and Hibernate
...ces your entity in bucket #1. b) your entity (within set) is persisted, it now does have an id and thus you're using hashCode() based on that id. It's different from above and would have placed your entity in the bucket #2. Now, assuming you hold a reference to this entity elsewhere, try calling Set...
JSP tricks to make templating easier?
...work with common includes and variables, much like PHP , but I'd like to know a simple way to get something like template inheritance ( Django style) or at least be able to have a base.jsp file containing the header and the footer, so I can insert content later.
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Ignoring time zones altogether in Rails and PostgreSQL
...m the Postgres epoch, 2000-01-01 00:00:00 UTC.
Postgres also has built-in knowledge of the commonly used UNIX time counting seconds from the UNIX epoch, 1970-01-01 00:00:00 UTC, and uses that in functions to_timestamp(double precision) or EXTRACT(EPOCH FROM timestamptz).
The source code:
* Timestam...
JavaScript editor within Eclipse [closed]
... installed Aptana on this threads recommendation and for various reasons I now want to remove it. I've spent 15 minutes trying to figure out how to remove it from my Eclipse 3.4 config with no success - it seems to disable the uninstall buttons - and the only instructions I found on the Aptana site ...
How can I wait for set of asynchronous callback functions?
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if (ajaxCallsRemaining <= 0) {
// all data is here now
// look through the returnedData and do whatever processing
// you want on it right here
}
});
}
Note: error handling is important here (not shown because it's specific to how you're...
How can I run code on a background thread on Android?
...k or update UI with data retrieved from background process.
If you don't know how to start here is nice tutorial:
Understanding AsyncTask – Once and
Forever
Note: Also there is possibility to use IntentService with ResultReceiver that works as well.
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