Doug Null

Doug Null has asked 54 questions and find answers to 8 problems.

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About

I'm a software inventor, architect, and coder around the California Silicon Valley, with over 40 years of software direction and engineering experience.

Doug Null questions

how can I temporarily blank a Windows-7 2nd display monitor, in C#?
how can I calculate square root in 'C' at build-time?
Must an iOS Bluetooth LE read or write be done first before readRSSI, to get the latest RSSI value?
simple Xcode Hello World displays controls then they immediately disappear
lastest xcode 15.0.1 stuck installing to iphone (2) <-- displays "2" to right of status message on top bar
is there a VisualStudio keyboard shortcut to hide Find Results windw?
what does ellipsis mean in a Matlab function's argument list?
how can iOS app set the Core Bluetooth advertisement rate?
APPLE TESTFLIGHT: how to specify a single, internal tester group for the latest build, instead of all internal test groups
how to disable line wraparound in Microsoft Word 2010 outline view [closed]

Doug Null answers

how can I temporarily blank a Windows-7 2nd display monitor, in C#?
LNK1104: cannot open file 'rpcndr4.lib'
is there a VisualStudio keyboard shortcut to hide Find Results windw?
Xcode iOS simulator's Settings > Bluetooth just spins and doesn't turn on
Code signing error in Xcode 8
where is example of iOS Bluetooth LE peripheralManager didReceiveWriteRequests
VB.Net Delete all files in folder
Can iOS do central and peripheral work on same app at same time?