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Why are Oracle table/column/index names limited to 30 characters?

...understand that many years ago there would be this kind of limitation, but nowadays surely this limit could easily be increased. We have naming conventions for objects, but there is always a case that turns up where we hit this limit - especially in naming foreign keys. ...
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Why is January month 0 in Java Calendar?

...ng what's wrong with it would take a very long time (and I'm sure I don't know half of the problems). Admittedly working with dates and times is tricky, but aaargh anyway. Do yourself a favour and use Joda Time instead, or possibly JSR-310. EDIT: As for the reasons why - as noted in other answers,...
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What's the bad magic number error?

...s -- this didn't directly help me figure out my problem, but it's nice to know the answer anyways! – Noah Feb 5 '09 at 3:36 ...
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How to run travis-ci locally

... Run the attached client docker exec -it $BUILDID bash -l Run the job Now you are now inside your Travis environment. Run su - travis to begin. This step is well defined but it is more tedious and manual. You will find every command that Travis runs in the environment. To do this, look for for...
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When exactly is it leak safe to use (anonymous) inner classes?

...u are actually asking several questions at once. I'll do my best with the knowledge that I have to cover it and, hopefully, some others will join in to cover what I may miss. Nested Classes: Introduction As I'm not sure how comfortable you are with OOP in Java, this will hit a couple of basics. A ...
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In eclipse, unable to reference an android library project in another android project

...ometimes Eclipse will remove the reference, restart eclipse and add again, now it should work. – Warpzit Mar 13 '12 at 11:50 ...
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Solr vs. ElasticSearch [closed]

... Update Now that the question scope has been corrected, I might add something in this regard as well: There are many comparisons between Apache Solr and ElasticSearch available, so I'll reference those I found most useful myself, i....
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How to get week number in Python?

... week number using strftime, best import datetime today = datetime.now() week = today.strftime("%W") – bipsa Jun 9 '15 at 16:39 7 ...
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pip issue installing almost any library

...ll to get most of what I needed done, which has generally worked. However, now I'm trying to download the nltk library, and neither is getting the job done. ...
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Does Typescript support the ?. operator? (And, what's it called?)

...mentation can be non-breaking in the future. If they implemented something now, it would end up needing major changes if ECMAScript redefine their specification. See Optional Chaining Specification Where something is never going to be standard JavaScript, the TypeScript team can implement as they ...