https://support.inovelli.com/portal/kb/articles/how-to-s-general-how-to-update-firmware-z-stick-z-wave-pc-controller
LZW31-SN Firmware Update
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Author Archives: Carlos
Inovelli Z-Wave Dimmer Switch (LZW31-SN) Installation
Enable Samsung mobile data icon (T-Mobile user)
settings put secure sysui_qs_tiles "Wifi,SilentMode,Bluetooth,Location,Flashlight,BlueLightFilter,AirplaneMode,WifiCalling,
custom(com.android.settings/com.samsung.android.settings.qstile.PowerSavingTile),
custom(com.samsung.android.lool/com.samsung.android.sm.ui.booster.PerformanceTile),
RotationLock,WifiHotspot,custom(com.samsung.knox.securefolder/.switcher.SecureFolderTile),
custom(com.android.nfc/com.samsung.android.nfc.quicktile.NfcTile),
custom(com.samsung.android.app.aodservice/.settings.AODTileService),
custom(com.samsung.android.smartmirroring/.tile.SmartMirroringTile),
custom(com.samsung.android.oneconnect/.external.DeviceVisibilityTile),DormantMode,
custom(com.android.settings/com.samsung.android.settings.qstile.SecAccountTiles),
custom(com.samsung.android.app.cocktailbarservice/com.samsung.android.app.edgelighting.tile.EdgeLightingTile),work,MobileData"Raspberry Pi – Measure Temperature and Humidity using DHT11
Hardware components:
- Raspberry Pi 3
- DHT11 Temperature and Humidity Sensor [1] (I use DHT11 because this is what I have now. Also, it’s good enough for my environment – 0 ~ 40 degrees Celsius.)
Install Ruby on Rails with rbenv on RHEL 7.5
Install Dependencies
yum install git-core zlib zlib-devel gcc-c++ patch readline readline-devel libyaml-devel libffi-devel openssl-devel make bzip2 autoconf automake libtool bison curl postgresql-develInstall rbenv
cd
git clone git://github.com/sstephenson/rbenv.git .rbenv
echo 'export PATH="$HOME/.rbenv/bin:$PATH"' >> ~/.bash_profile
echo 'eval "$(rbenv init -)"' >> ~/.bash_profile
exec $SHELL
git clone git://github.com/sstephenson/ruby-build.git ~/.rbenv/plugins/ruby-build
echo 'export PATH="$HOME/.rbenv/plugins/ruby-build/bin:$PATH"' >> ~/.bash_profile
exec $SHELLRails authentication with Microsoft Active Directory
Following sample code shows how Rails integrates with Microsoft Active Directory using net-ldap gem.
Active Directory Environment: Windows Server 2012 R2
Development Environment: CentOS 7.5
Rails Version: 5.2.0
Continue reading
Using popen to get stdout
This is an example to check connection state for a specific port number. It returns command output.
Change Color in Putty
Raspberry Pi unboxing and an example to flash LED
Raspberry Pi Model B Revision 2.0
Broadcom BCM2835 700MHz ARM1176JZFS processor with FPU and Videocore 4 GPU
512MB RAM
Additional specs: 10/100 BaseT Ethernet, HDMI, (2) USB 2.0, RCA video, SD card socket, Powered from microUSB socket, 3.5 mm audio out jack, boots from SD card
Sorting – Quick Sort
Time complexity:
Worst-case: \(O(n^2)\)
Best-case: \(O(nlog(n))\)
Average-case: \(O(nlog(n))\)
Pick a random element (pivot) and partition the array.
[all numbers that are less than the pivot] pivot [all numbers that are greater than the pivot]