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Java project in Eclipse: The type java.lang.Object cannot be resolved. It is indirectly referenced f
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In my case it occurred because i have accidentally removed the JRE while importing the project [my fault]. This gave me a clue to fix the issue.
– GayashanNA
Apr 22 '14 at 6:50
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STL or Qt containers?
... (see the std::string COW controversy). Some STL implementations are especially
bad.
provide hashes, which are not available unless you use TR1
The QTL has a different philosophy from the STL, which is well summarized by J. Blanchette: "Whereas STL's containers are optimized for raw speed, Qt's co...
What's the difference between Unicode and UTF-8? [duplicate]
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most editors support save as ‘Unicode’ encoding actually.
This is an unfortunate misnaming perpetrated by Windows.
Because Windows uses UTF-16LE encoding internally as the memory storage format for Unicode strings, it considers this to be the natural encoding of Unicode tex...
YYYY-MM-DD format date in shell script
... can be viewed from the date man pages (for external non-bash specific command):
man date
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How to force cp to overwrite without confirmation
I'm trying to use the cp command and force an overwrite.
16 Answers
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NoSQL (MongoDB) vs Lucene (or Solr) as your database
...arned:
You can easily use Lucene/Solr in lieu of MongoDB for pretty much all situations, but not vice versa. Grant Ingersoll's post sums it up here.
MongoDB etc. seem to serve a purpose where there is no requirement of searching and/or faceting. It appears to be a simpler and arguably easier trans...
How do I detect if Python is running as a 64-bit application? [duplicate]
... Can somebody give an update for 2017 please. So confusing for noobs all that. Is sys.maxsize the right way to go today or does platform.architecture() works reliably on OS X, Win and Linux now?
– Wlad
Jan 31 '17 at 14:15
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How to refresh Android listview?
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Call notifyDataSetChanged() on your Adapter object once you've modified the data in that adapter.
Some additional specifics on how/when to call notifyDataSetChanged() can be viewed in this Google I/O video.
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Django datetime issues (default=datetime.now())
...it looks like datetime.now() is being evaluated when the model is defined, and not each time you add a record.
Django has a feature to accomplish what you are trying to do already:
date = models.DateTimeField(auto_now_add=True, blank=True)
or
date = models.DateTimeField(default=datetime.now, bl...
Google Maps Android API v2 - Interactive InfoWindow (like in original android google maps)
.... Some other guys here on StackOverflow suggested this solution and it actually looks quite good at first glance. But the problem with this solution shows up when you start to move the map around. You have to move the PopupWindow somehow yourself which is possible (by listening to some onTouch event...