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Re: query: how many use PHP for linux scripts [message #185981 is a reply to message #185976] Fri, 16 May 2014 13:14 Go to previous messageGo to previous message
Jerry Stuckle is currently offline  Jerry Stuckle
Messages: 2598
Registered: September 2010
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Senior Member
On 5/16/2014 4:25 AM, The Natural Philosopher wrote:
> On 16/05/14 02:45, Ben Bacarisse wrote:
>> The Natural Philosopher <tnp(at)invalid(dot)invalid> writes:
>> <snip>
>>> When the standard tools and assumptions of the language let you down,
>>> C will get you the solution where PHP will not.
>>
>> Lots of people will get this wrong in both languages, and I am not going
>> to challenge the suggesting that more PHP programmers that C programmers
>> might get it wrong, but I am not seeing how this example shows that the
>> solution is simpler in C.
>>
>
> I think the things is probably that C programmers are used to dealing
> with more primitive entities than high level programmers are.
>
> PHP is designed to hide the detail by and large.
>
> And 'do the memory management for you'
>
> Which is fine, if phps way of managing memory doesn't crap out.
>
> I had exactly te same sort of issues with mysql. I was trying to
> normalise a huge database - 2.5M records as a flat spreadsheet type file
> with tons of redundant data in it.
>
> The rather complex SQL query that I end up with still hadnt finished
> after 8 hours, so I write a program in C to utilise simpler mysql
> queries and then step through them and re interrogate the database
> instead of using a nested query structure. And show me what it was doing
> as it did it.
>
> The program took 45 minutes to write, and ran in another hour.
>

And if you were competent in SQL, you could have written a simple SQL
statement to do the work in 5 minutes and it would have been done in 15
minutes.

> The point is that languages that second guess the way you want to do
> stuff are never as efficient for a single problem as you can be if you
> can decide how yourself.
>

Or you are as incompetent in SQL as you are in other languages.

> Most of the time they are mote than good enough: Sometimes they are not.
>
> Its the old 'compiled language versus assembler' argument.
>
> 99% of the time is a non issue and you trade the speed of writing code
> for the speed of running, but sometime it tips the other way
>
>


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Jerry Stuckle
jstucklex(at)attglobal(dot)net
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