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Internal Error 500 Apache, but nothing in the logs?
..., PHP does NOT log these errors. Reason being you want web requests go as fast as physically possible and it's a security hazard to log errors to screen where attackers can observe them.
These instructions to enable Internal Server Error Logging are for Ubuntu 12.10 with PHP 5.3.10 and Apache/2.2.2...
How can I easily convert DataReader to List? [duplicate]
...when coding for DBNull etc. Once you cache the generated code they can be faster then most hand written code as well, so do consider the “high road” if you are doing this a lot.
See "A Defense of Reflection in .NET" for one example of this.
You can then write code like
class CustomerDTO
{...
Get notified when UITableView has finished asking for data?
.... It probably appears to work at first because reloading can happen pretty fast, but in fact the completion block doesn't necessarily get called after the data has fully finished reloading - because reloadData doesn't block. You should probably search for a better solution.
To expand on @Eric MORAN...
How can I apply a function to every row/column of a matrix in MATLAB?
...s approach for any particular case against simple for-loop, which might be faster then converting a matrix to cell array. Use tic/tac wrap to test.
– yuk
Feb 21 '10 at 23:13
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Best way to convert an ArrayList to a string
...order using the toString of each element separated by tabs. Is there any fast way to do this? You could loop through it (or remove each element) and concatenate it to a String but I think this will be very slow.
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Difference between Fact table and Dimension table?
...items x branches. So, the facts will get large in number of records pretty fast.
– Daniel
Mar 25 at 16:37
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Boolean method naming readability
...ike natural english:
if userExists ...
But I guess there is no hard and fast rule - just be consistent
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Is it possible to use argsort in descending order?
...ll array of 100 floats and a length 30 tail, the view method was about 15% faster
>>> avgDists = np.random.rand(100)
>>> n = 30
>>> timeit (-avgDists).argsort()[:n]
1.93 µs ± 6.68 ns per loop (mean ± std. dev. of 7 runs, 1000000 loops each)
>>> timeit avgDists...
String concatenation in Ruby
...d of using << on the elements of an array, use Array#join, it's much faster.
– Grant Hutchins
Dec 22 '08 at 9:49
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What is the Oracle equivalent of SQL Server's IsNull() function?
...tgres, MySQL... The only caveat is that it doesn't necessarily perform as fast as native syntax.
– OMG Ponies
Aug 19 '10 at 17:33
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