Its also good practice to do this in order to prevent syntax errors like just pressing enter without entering anything or just pressing space and then enter. If you just press enter, "var" will be null and you cant compare a null variable to a string or a number. Now the file knows that its an empty...
Need to know if this poster will last in extrem temperature, if I laminate it (with clear plastic in one of those machines at copy store). Poster will be protected from direct sun and water, but will be subject to winter and summer temperatures in northern Illinois (negative 15 to 105 degrees). Thoughts? Or should I use a glue and no laminate?
Askedby Doowhop6 days ago
Hi, I have an old Yamaha CR-620 receiver bought new in 1977. Recently, I often do not get any sound when I turn the power on. The lights and gauges work but but I do not hear the surge protector click off when this occurs. If I leave the power on, the sound will sometimes come on later by itself. Ca...
Askedby phreddon DIY Hi-Fi: Vintage Receiver Repair and Modification6 days ago
I'm a bit confused. Doesn't the HC-SR04 require 5V? How can the system work with 2xAA Ni-MH batteries? What's the actual reach of the sensor when powered with 2xAA batteries? What's your average consumption? What's your voltage supply to the system?Thanks:)
Askedby cmholton Smart Garbage Monitoring System Using Internet of Things (IOT)6 days ago
I feel like applying a lot of pressure in Step 12 could break the lower bearing (the one touching the truck), so I'd advise on inserting each bearing with your hands instead. You can apply pressure with your thumb if it's hard to get it in, but I've yet to have any problems with it requiring a lot o...
Hi! The yi action camera comes with a bluetooth remote.I'm wondering if its possible to add a pir sensor to it and maybe change it's power supply to aa / aaa batteries.https://ae01.alicdn.com/kf/HTB1f9UUJFXXXXcWXXXXq6x...Which are the items required? Thanks.
Askedby meanie26 days ago
When attaching the nerf rail to the rear of the blaster, what kind of glue did you use? Also, the rear section of the demolisher is only flat for a little while and then tapers down at the back. Did you use epoxy putty or something to build up that area so it was a flat surface to attach the addit...
Hi! Newbie here needs help1)Which emitter npn transistor should I be looking for? (at 6min55sec of the video)https://www.youtube.com/watch?v=evZM2_RTvTUIs it this? https://www.ebay.com/itm/100Pcs-NPN-Transistor-TO...2)Which wattage should i choose for the 2 resistors(2200 ohm & 47ohm)?There's 1W,0.5W.0.25W.3)What is the beige connector used to connect the pir & led bulbs called?So the list also includes:https://www.lazada.sg/products/areyourshop-1pcs-hc...https://www.ebay.com/itm/2-Pcs-Dual-Layers-Black-P...did I miss out anything?Going to use the 4.8v output to power the mobius or 808 camera instead of the string led bulbs.Thank you v much
Askedby meanie26 days ago
Hi there, my name is Daniel, I had a friend that recovered gold in my garage for about 4 years. my problem is he had to leave state in a hurry, he left me with a big problem, I have 5 gallon pails 3/4 full of green liquid to get gold out of. please help. he had me put copper in 2 of them, don't k...
I'm organizing a gofundme campaign on behalf of a friend, mother of three young kids, fighting advanced stage cervical cancer . And I have many pro memberships to exchange for donations. For a $5 donation, I will give you a 3-month pro membership, $10 donation a 6-month pro membership, and $20 donation a 1-year pro membership. I thank you a million times for your kind help!
Postedby babybayrs6 days ago
I've bought 3 ebikes one a Raleigh select,p/assist, one a throttle type, but wires on 1of the other bikes I've bought,the wires that lead into hubmotor are cut they don't seem to connect via a hole in wheel axle/spindle,so need help please,also the p/assist Raleigh can it be converted to throttle powered, as its a very old ebike with a sanyo hubmotor? Thanks...
Postedby AlanW1316 days ago
Привет! Мне очень понравились часы.Хотите сделать.Я купил все компоненты для часов, и я не могу программировать.Ошибка Arduino: 1.8.5 (Windows 8.1), Доска: "Arduino Nano, ATmega328P"C:\Program файлы (x86)\Arduino\примеры\исходный код часов \ исходный код часов.no: 2: 31: фатальная ошибка: Adafruit_NeoPixel.h: нет такого файла или каталога #включать ^компиляция завершена.статус выхода 1 Ошибка компиляции для Arduino Nano Board. Помогите решить проблему.
Askedby strollermoscow6 days ago