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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. Z

    Checking internal burner seals

    How does everyone do this?
  2. 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...
    • Danv44444
    • Thread
    • bearings central central heating checking heating pump quickly screw water
    • Replies: 7
    • Forum: Plumbing Jobs | The Job-board
  3. J

    Should annual boiler service include checking the expansion vessel?

    Hi all, I've got an Ideal Response boiler, about 10 years old. I tried a search on the forums (and google) but haven't found an answer to my question. It's been in contract with British Gas Home Care for much of that time, and over that time I've twice had them out due to faults that turned...
    • jogu
    • Thread
    • annual boiler check checking expansion expansion vessel oil pressure service should vessel
    • Replies: 33
    • Forum: Plumbing Jobs | The Job-board
  4. S

    Checking if a TRV is reversible

    I have been given a box of thermostatic radiator values bases (without the heads), the box has "Orkli 1/2" Ø 12÷20 (PER,Mult,PB); 12÷16 (copper) ref: 67490" marked on it. There are no instructions as to whether or not the valves are reversible- is there a way to visually confirm before we fit?
  5. M

    Checking free standing cookers with FGA

    Good day to you fellers. I am trying to look for some info online on how to test free standing cookers with my kane asp2 kit. I can't seem to find any guidance on this? When you test the appliance, do you Test them all seperately? How do you test the hobs? Grill, and oven. On a cooker with the...
  6. B

    Checking my calculations for adding radiators

    Hi all, I've just bought a house (Horray!) and thought it would a be good opportunity to practise my plumbing skills. I'm hoping to add a few radiators as some rooms don't have any. I've got a Greenstar 24i junior from Worcester Bosch - It's got 24kw heat output if i've understood correctly...
  7. S

    People checking prices.......

    I don't mind generally but just had a woman call: 'how much too do an outside tap' I explained that I'd need to come around and have a look because no two are the same, how close is the water supply to be picked up, where you want it to go, pipe runs etc. 'Well its a bungalow' I explained...
  8. E

    checking for resitance and voltage in combination boilers

    Hi Dudes...how are you doing hope you are all well?... Got a question for anyone who knows the answer to it....I want to know how to check the resistance and voltage of all the electrical points in the boilers, to know when they functioning properly and also when they not...ive got my multi...
  9. G

    checking safety devices on gas hob and oven

    hi, im working towards my acs and have a query, if im checking safety devices on a gas hob/cooker, letby/tightness lid shut off check controls are working and not letting by or stiff/loose check stability device/hose connections etc i check the fsd by lighting the oven and watching it...
  10. L

    Checking chimney draft / pressure

    Hi Ive purchased a Kane 455 flue gas analyser. I want to check the chimney draught in a flue for a solid fuel wood burner. It is not clear in the instructions how to do this? If any one is familiar with this kind of analyser and would be so kind as to provide a step by step idiots guide , I...
  11. B

    Checking a thermistor

    Hi, I'm fairly inexperienced at fault finding but familiar with the operation of a multimeter. Will someone let me know the correct way to test a thermistor please? i.e doI test it while the appliance is on? Do I test for ohms or voltage? Thanks
  12. P

    worcester bosch combi boiler loosing pressure

    just had a call from a customer..when boiler stat reaches temp burner turns off and pressure on gauge drops and noticed it discharging from the relief valve...going to look at it tom im thinking checking pressure in expansion vessel,checking the pressure relief valve...it could also be a clogged...
    • proelitegas
    • Thread
    • boiler bosch checking combi combi boiler expansion loosing oil pressure relief valve worcester worcester bosch
    • Replies: 1
    • Forum: Plumbing Jobs | The Job-board
  13. S

    checking the FSD on boilers?

    hi lads, im doing my acs gas training and was just wondering how to test the FSD on boilers? can you just knock the gas off? checked a cooker hotplate which was easy enough but never checked a boilers. thanks.
  14. S

    Checking a plumbers qualifications

    Hi Is it possible to check a plumber's qualifications prior to him/her starting work? It's all very well telling me that they have an NVQ in this and that, but where's the proof? Are or will plumbers be required to carry a photo id card with details on showing where the customer can validate...
    • sali
    • Thread
    • boilers building checking electricians find a plumber fix gas gas safe industry insurance job jobs nvq parts plumber plumbers plumbing qualification qualifications tee tools trade van washer work
    • Replies: 13
    • Forum: Plumbing Jobs | The Job-board
  15. S

    price............just checking

    Today, I quoted for a basin mixer tap and waste replacement, the waste has a posh push pull thing at the rear of the mixer tap. It is a built in vanity unit and access is not going to be easy. I quoted £80 is this in the right ball park...... My theory is it should only take a couple of hours...
    • secret squirrel
    • Thread
    • basin bits building cheap checking hose job jobs leak london mixer mixer tap overflow plumbers pop up waste price replacement tap taps tiling tools van waste
    • Replies: 6
    • Forum: Plumbing Jobs | The Job-board

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