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Is git's semi-secret empty tree object reliable, and why is there not a symbolic name for it?
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105
This thread mentions:
If you don't remember the empty tree sha1, you can always derive it wi...
ASP.NET MVC Razor render without encoding
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edited Mar 26 '13 at 15:32
answered Dec 21 '10 at 17:53
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Under what circumstances is an SqlConnection automatically enlisted in an ambient TransactionScope T
...will not be automatically enlisted in a newly created transaction scope.
Q5. No. Unless you open a connection in the transaction scope, or enlist an existing connection in the scope, there basically is NO TRANSACTION. Your connection must be automatically or manually enlisted in the transaction sc...
Java JTable setting Column Width
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45
What happens if you call setMinWidth(400) on the last column instead of setPreferredWidth(400)?
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fatal: git-write-tree: error building trees
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575
Use:
git reset --mixed
instead of git reset --hard. You will not lose any changes.
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PHP multidimensional array search by value
...e == instead ===.
Based on angoru answer. In later versions of PHP (>= 5.5.0) you can use one-liner.
$key = array_search('100', array_column($userdb, 'uid'));
Here is documentation: http://php.net/manual/en/function.array-column.php.
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Django dynamic model fields
...for faster queries.
– GDorn
Mar 1 '15 at 6:10
1
Updated today to note Django's adoption of HStore...
Get difference between two lists
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In [5]: list(set(temp1) - set(temp2))
Out[5]: ['Four', 'Three']
Beware that
In [5]: set([1, 2]) - set([2, 3])
Out[5]: set([1])
where you might expect/want it to equal set([1, 3]). If you do want set([1, 3]) as your answer,...
Scala: Abstract types vs generics
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257
You have a good point of view on this issue here:
The Purpose of Scala's Type System
A Conve...
Converting Dictionary to List? [duplicate]
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156
Your problem is that you have key and value in quotes making them strings, i.e. you're setting ...