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Foreign Key naming scheme
...o qualify this. It's an unusual situation to be in, and not one you'd typically design in from scratch, so I didn't include this in the response.
– Greg Beech
Oct 14 '08 at 0:41
4
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Which is more efficient: Multiple MySQL tables or one large table?
...ect * from users where name="bob". Once you have bob then you are using an index to find the joined tables to bob which is significantly faster because you are using bob's id. This happens regardless of if you are doing a join in your query or querying bob then querying a table separately. Of course...
Binary Data in JSON String. Something better than Base64
...ON meta-data, and then separately send as raw binary (image(s), wavs, etc) indexed by the Content-Disposition name.
Here's a nice tutorial on how to do this in obj-c, and here is a blog article that explains how to partition the string data with the form boundary, and separate it from the binary da...
Why is the use of tuples in C++ not more common?
...ary. But it's usually limited to a couple of situations, like an N-element index or when using multimaps to tie the range iterator pairs. And it's usually in a very limited scope.
It's all very ugly and hacky looking when compared to something like Haskell or Python. When C++0x gets here and we g...
Where is my .vimrc file?
I have been using Vim , and I would really like to save my settings. The problem I am having is that I cannot find my .vimrc file, and it is not in the standard /home/user/.vimrc location. How might I find this file?
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Cast Int to enum in Java
... 0 or 1, i.e. a valid ordinal for that enum.
Note that in Java enums actually are classes (and enum values thus are objects) and thus you can't cast an int or even Integer to an enum.
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Select unique or distinct values from a list in UNIX shell script
...n the following input:
class
jar
jar
jar
bin
bin
java
uniq will output all lines exactly once:
class
jar
bin
java
uniq -d will output all lines that appear more than once, and it will print them once:
jar
bin
uniq -u will output all lines that appear exactly once, and it will print them ...
How do I determine the target architecture of static library (.a) on Mac OS X?
...cutable ppc
Example with archive:
logan:/Users/logan% file /usr/lib/libMallocDebug.a
/usr/lib/libMallocDebug.a: Mach-O universal binary with 2 architectures
/usr/lib/libMallocDebug.a (for architecture i386): current ar archive random library
/usr/lib/libMallocDebug.a (for architecture ppc): ...
How can I print the contents of a hash in Perl?
I keep printing my hash as # of buckets / # allocated.
How do I print the contents of my hash?
11 Answers
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How can I add CGPoint objects to an NSArray the easy way?
...o be a method that will just return the corresponding CGPoint for an given index. I don't want to create 50 variables like p1 = ...; p2 = ..., and so on. Is there an easy way that would let me to define those points "instantly" when initializing the NSArray with objects?
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