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Difference between 3NF and BCNF in simple terms (must be able to explain to an 8-year old)
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Why is this NOT handled in 2NF already? From my viewpoint, the original table's primary key is Pizza + Topping, and Topping Type is dependent on Topping, so isn't that a partial dependency which should be taken care of in the 2NF stage?
– GreenPeng...
How to show a dialog to confirm that the user wishes to exit an Android Activity?
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No probs. Well, I've just tried MyActivity.super.onBackPressed(); and it works fine for me. It seems to most logical approach, too - to call the method you are overriding if you want the standard behaviour when user taps "No."
– ban-ge...
How do I get the full path to a Perl script that is executing?
...t the path from that using the File::Basename module:
use File::Basename;
my $dirname = dirname(__FILE__);
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What represents a double in sql server?
...ber.
MSSQL's float type is equivalent to the 64-bit double type in .NET. (My original answer from 2011 said there could be a slight difference in mantissa, but I've tested this in 2020 and they appear to be 100% compatible in their binary representation of both very small and very large numbers -- ...
twitter bootstrap typeahead ajax example
...ahead.js, here's a working example. The syntax is a little different:
$('#mytextquery').typeahead({
hint: true,
highlight: true,
minLength: 1
},
{
limit: 12,
async: true,
source: function (query, processSync, processAsync) {
processSync(['This suggestion appears immediately', 'This ...
Forking vs. Branching in GitHub
...ndirection when a fork is involved. Again: not needed here. I have updated my answer.
– VonC
Aug 31 '10 at 17:09
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sphinx-build fail - autodoc can't import/find module
...ust add the path to your project folder.
sys.path.append('/home/workspace/myproj/myproj')
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Can you grab or delete between parentheses in vi/vim?
... Is it possible to delete including the parentheses? (yep, I answered my own question: dab => delete a block (including its parentheses)
– bantic
Aug 8 '12 at 14:43
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Query an XDocument for elements by name at any depth
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But, what if my source xml doesn't have a namespace? I suppose I can add one in code (have to look into that), but why is that necessary? In any event, root.Descendants("myTagName") doesn't find elements buried three or four levels deep i...
How to import load a .sql or .csv file into SQLite?
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You saved my weeks. I finished my work in 3 second. I converted 120MB CSV file to .db in mere 5 seconds.
– zackygaurav
Feb 18 '16 at 20:49
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