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checking

In computer programming, bounds checking is any method of detecting whether a variable is within some bounds before it is used. It is usually used to ensure that a number fits into a given type (range checking), or that a variable being used as an array index is within the bounds of the array (index checking). A failed bounds check usually results in the generation of some sort of exception signal.
Because performing bounds checking during every usage is time-consuming, it is not always done. Bounds-checking elimination is a compiler optimization technique that eliminates unneeded bounds checking.

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  1. C

    Radiator sizing woes. My screwup for not checking beforehand.

    Having now finished all the wiring, plastering, laying the floor and spending 6 solid weeks and many thousands of £££’s completely gutting and re-fitting the kitchen , I find I’m unable to get a like for like (in dimensions) replacement radiator. Initially we wanted a black double panel rad. No...
  2. M

    Changing radiator and pipework - checking the steps

    Hello I want to replace the old single panel rad in the bedroom with a K2 double panel Stelrad one. I think I'm OK in general and relatively sensible (!) but I just want to check the steps involved to make sure I'm not missing anything before starting. System info- Steps (I think)- 1. Turn...
  3. D

    Checking advice given re burst galvanised pipe

    A galvanised pipe on our property burst and water was seeping up to ground level. We dug and found where it burst [it's in the garden but the pipe eventually shoots off under the deck and house], called in a plumber who said he couldn't fix it that day due to other work but temporarily stopped...
  4. M

    Checking burner pressures with analyser/manometer?

    As the title really folks. Who uses what to check pressures and carrying out tightness tests? I’m not to keen with the analysers to be honest. I was checking a burner pressure recently and with the analyser it was fluctuating up and down but with the u gauge it was solid?
  5. Mickey D

    North London checking in :)

    Hi all :) Am doing my DIY shenanigans in North London where I own a house. As I am capable but not qualified, there are always "things" that need clarification. So I have come here to get best practice and expert advice from you professionals :) Mickey D
  6. D

    Initial Survey Checklist

    Hi all, Does anyone use a checklist when they initially survey a new job? I mainly do refurb and domestic jobs and I need to be more structured in the way I perform the initial survey. I'm in the habit of taking photos, a few measurements and figure the system. But often forget to record other...
  7. russell armstrong

    Hello everybody, Just checking out whats up

    Hi everyone Used to be a regular here three/four years ago and decided Id give it another whirl My linkedIn profile gives you my lowdown https://www.linkedin.com/in/russell-armstrong-mciphe-a6356186/ Speak soon Russell
  8. D

    Checking for leaks in new pipework

    I'll be putting in new runs of copper for my bath / basin taps that will run under the floor and in the walls. Will capping the ends off and turning on the water be enough to check for leaks before tiling over?
  9. D

    Checking exisitng gas safe records

    Recently bought a property with a view to renovate. Is it possible to check online to see when the existing boiler was commissioned as there doesn't seem to be any paperwork. Worcester Junior 24i, looking at it could be about 5years old. Thanks
  10. N

    Checking in to say hello

    Got lemons?....... make lemonade! Old school pipe fitter welder, dropped the welding out many years ago and ended up in Building services maintenance, then property maintenance, quite the all rounder but need to specialise again, have got £1k credit at power training centre Carshalton college...
  11. R

    Checking the fan on a Greenstar HE 28

    Hi guys, bit of assistance if possible. I'm in the process of investigating a C1 error ( low fan speed ) but don't want to fork out for replacement fan, only to find out its the control board at fault. ( both of which are feasible ) 5 pin connector --- Blu - White -Br -P - Blk ---- I'm getting...
  12. C

    Checking output to electrode - Ravenheat 84e

    Hi, Can anyone tell me the correct method for testing the output from a ignition pcb to the spark electrode ? I've been roped into looking at my mates Ravenheat 84e tmz. When he creates a demand the pump and fan start but there's no sparking at electrode. I haven't looked at it yet, thought if...
  13. Dan

    Deals at Screwfix - Worth checking out?

    http://fave.co/1q4eoUb Seem to have a fair few deals on at the moment. Anything of interest?
  14. B

    Fluke 114 Multimeter for boilers

    hi all, what are you thoughts on this the Fluke 114 multimeter for checking resistance etc... Fluke 114 True RMS Digital Multimeter | eBay
  15. michcosg

    Simple Drainage Repair - just checking?

    Hi folks I am about to repair a section of underground drainpipe. As a London plumber, where specialists are aplenty, drainage is something I confess I have very little experience of. I thought therefore I would at least check in with you folks to ensure I am not missing something basic or...
  16. Hobo128

    checking burner pressure on cooker.

    How can I check the burner pressure on a gas cooker, I have tried to put my manometer over the injector but it wont seal properly. Any tips please. Also should the burner pressure be the same on all rings or different?
  17. B

    Newbie checking in

    Hello, Been reading through the posts for a while and figured I start posting. I am gsr and do a mixture of plumbing and heating during the course of the week. I am based in Glasgow I enjoyed the hints and tips section and read it right through. Time to start posting my own tips and...
  18. A

    Hi newbie checking in.

    Hi all Just thought I'd say hello and introduce myself on here before getting into my problems (which I'll limit to plumbing problems :smilielol5:). I'm a DIY'er who has removed and replaced radiators with new bits of plumbing and I've replaced a central heating fill/expansion tank. I'm a...
  19. Z

    Checking internal burner seals

    How does everyone do this?
  20. D

    Checking a central heating pump?

    Hi guys, I was reading a book and it said if a central heating pumps bearings have warn out, when you remove the big screw in the middle then water will pour out? I was thinking every time I've removed the screw in the middle water has always poured out? whats the best way to check a pump is...
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