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How do I check if there are duplicates in a flat list?
...s I had tried your_list != list(set(your_list)) which will not work as the order of the elements will change. Using len is a good way to solve this problem
– igniteflow
May 31 '12 at 14:37
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What are the best practices for SQLite on Android?
...ld. You can create multiple subclasses of the one DatabaseManager class in order to have different databases on disk.
Instantiate your subclass and call getDb() to use the SQLiteDatabase class.
Call close() for each subclass you instantiated
The code to copy/paste:
import android.content.Context;...
Change MySQL default character set to UTF-8 in my.cnf?
...athias Bynens mentioned that 'utf8mb4' should be used instead of 'utf8' in order to have better UTF-8 support ('utf8' does not support 4 byte characters, fields are truncated on insert). I consider this to be an important difference. So here is yet another answer on how to set the default character ...
Why is isNaN(null) == false in JS?
...str,10)) || isNaN(Number()). btw - for me, since I have to run parseInt in order to use the numeric value of the string, allowing "123d" to be considered as valid number is fine. However I see the need to detect that scenario as well.
– guy mograbi
Feb 22 '15 a...
How to avoid using Select in Excel VBA
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adding to this brilliant answer that in order to work wit a range you don't need to know its actual size as long as you know the top left ... e.g. rng1(12, 12) will work even though rng1 was set to [A1:A10] only.
– MikeD
Jan 1...
What is the difference between LR, SLR, and LALR parsers?
... exactly the same size as the equivalent SLR grammar, which are usually an order of magnitude smaller than pure LR parsing tables. However, for LR grammars that are too complex to be LALR, these merged states result in parser conflicts, or produce a parser that does not fully recognize the original ...
Returning a file to View/Download in ASP.NET MVC
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Do i have to use javascript in order to start the download? Nothing is happening, no download or anything when i run through and debug my code.
– user10251956
Jul 6 at 16:45
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How do I trigger the success callback on a model.save()?
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so im a little confused - do i still need to pass in all attributes in order for me to call a save event? what if my model is large.. i dont wish to set every property manually
im calling model.save and attempting to do the following:
this.model.save(
{
success: function (model, r...
Speed comparison with Project Euler: C vs Python vs Erlang vs Haskell
... (surely not optimal) implementations in C, Python, Erlang and Haskell. In order to get some higher execution times, I search for the first triangle number with more than 1000 divisors instead of 500 as stated in the original problem.
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When to use Vanilla JavaScript vs. jQuery?
... this answer for a better treatment.
el.getAttribute('someName');
...in order to access an attribute directly. Note that attributes are not the same as properties (though they mirror each other sometimes). Of course there's setAttribute too.
Say you had a situation where received a page where yo...