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How do I prevent commands from showing up in Bash history?
...ome of us think auto-ignoring commands prefixed by a space is a really bad idea and therefore don't have ignorespace set by default.
– sorpigal
Jun 25 '11 at 18:57
3
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Why is transposing a matrix of 512x512 much slower than transposing a matrix of 513x513?
...rmula:
set = ( address / lineSize ) % numberOfsets
This sort of formula ideally gives a uniform distribution across the sets, because each memory address is as likely to be read (I said ideally).
It's clear that overlaps can occur. In case of a cache miss, the memory is read in the cache and the...
The specified type member 'Date' is not supported in LINQ to Entities Exception
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Hmm. This idea works. Dirty but works. If you write it as answer i can mark it correct.
– nebula
Jul 22 '12 at 15:46
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Limit results in jQuery UI Autocomplete
...ng jQuery solutions. Offering a CSS solution to a programmer is not a good idea when the problem can be solved to jQuery. And at the end this is just mask the results not solving the problem as in the accepted answer. Here you go!
– Adrian P.
Aug 16 '13 at 2:10...
Qt events and signal/slots
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I get the idea. Event is per-class, all the instance of a class will react the same, all of them will call the same QClassName::event. But signal is per-object, each object can have its unique signal-slot connection.
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mysql update column with value from another table
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also table B got more records than table A , my idea is check from table B to a if the name exist copy the value of " value" to table B ,!
– LeoSam
Jul 29 '12 at 12:07
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How to design a product table for many kinds of product where each product has many parameters
... these solutions are easy or efficient in a relational database. The whole idea of having "variable attributes" is fundamentally at odds with relational theory.
What it comes down to is that you have to choose one of the solutions based on which is the least bad for your app. Therefore you need to ...
How to revert uncommitted changes including files and folders?
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good idea to run 'git clean -nd' to preview the changes before running git clean to ensure you dont have untracked files or directories that you care about that will be removed.
– jpw
Jul 14 ...
iPhone UITextField - Change placeholder text color
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Any idea why it's not working for the attribute - NSFontAttributeName [[NSAttributedString alloc] initWithString:@"placeholder" ...
Is there a use-case for singletons with database access in PHP?
...lient/boss/project manager asks just by a few modifications.
You get the idea. Now lets move on to the objections to singletons and
the unholy crusade against something that is useful:
- Foremost objection is that it makes testing harder.
And really, it does to some extent, even if it can be eas...