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Chee Wee's discoveries and tech blog

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Chee Wee's discoveries and tech blog

Unable to start the Windows Event Log service

Posted over 7 years ago

by chuacw
- 0 Comments
The Windows Event Log service wasn't started and when I tried to start it, received the error: "Error code: 4201 - The instance name passed was...
Chee Wee's discoveries and tech blog

Why you need to defrag your hard disk

Posted over 7 years ago

by chuacw
- 0 Comments
The other day, I was working on an issue, where a SQL database couldn't be expanded, and the error message given by SQL Server is operating system...
Chee Wee's discoveries and tech blog

How to debug an IOTADebuggerVisualizer

Posted over 8 years ago

by chuacw
- 0 Comments
Years ago, I wrote a few IOTADebuggerVisualizers. Looking at my code repository, this was in 2011. Back then, I've written a NSImage visualizer which...
Chee Wee's discoveries and tech blog

Ways to initialize a record

Posted over 8 years ago

by chuacw
- 0 Comments
Suppose you have these definitions: var Options: array of JavaVMOption; VM_Args: JavaVMInitArgs; How do you initialize them? Back in the days, you would...
Chee Wee's discoveries and tech blog

Failure in uninstalling Java and resolution

Posted over 8 years ago

by chuacw
- 0 Comments
Recently, when I had a failure in uninstalling Java on Windows, I used ProcMon , and discovered that there were permission issues with accessing some of...
Chee Wee's discoveries and tech blog

Delphi Berlin 10.1 compiler introduces weak references...

Posted over 8 years ago

by chuacw
- 0 Comments
The Delphi compiler in Berlin 10.1 introduces the concept of weak references. With reference to the code below, without the [weak] attribute, when one...
Chee Wee's discoveries and tech blog

Transferring files using Aspera

Posted over 8 years ago

by chuacw
- 0 Comments
To download a file from demo.asperasoft.com to C:\temp directory, the instruction to do so is: ascp --mode=recv --user=asperaweb --host=demo.asperasoft...
Chee Wee's discoveries and tech blog

Fixing / removing the green line in video playback in VLC

Posted over 8 years ago

by chuacw
- 0 Comments
VLC recently had this green line at the bottom of every video I played. It seemed that this was a bug that was accidentally added to the product, however...
Chee Wee's discoveries and tech blog

How to flash firmware to Linksys WRT1900AC

Posted over 8 years ago

by chuacw
- 0 Comments
Connect TTL to USB cable to PC. Start up putty and connect by serial to the COM port powered by Prolific @ 115 kbps. Power up WRT1900AC. Press spacebar...
Chee Wee's discoveries and tech blog

Fixing the RAD Studio 10 Seattle & 10.1 Berlin IDE View menu with ToolsAPI

Posted over 8 years ago

by chuacw
- 1 Comments
12 years ago, I did a project and wrote a blog post on enumerating the Delphi 8 IDE menu items . Recently, I did a new one for the RAD Studio 10 Seattle...
Chee Wee's discoveries and tech blog

Things to do before upgrading an Android phone

Posted over 8 years ago

by chuacw
- 0 Comments
The things to do before upgrading an Android phone, or changing the firmware on your Android phone: Enable ADB debugging Turn on USB and mobile network...
Chee Wee's discoveries and tech blog

Removing the unlock pin on Note 4

Posted over 8 years ago

by chuacw
- 0 Comments
After restoring a backup on Note 4, I'm locked out of it via a pin. When using the pin that I remembered I set, it didn't work. So, I'm left...
Chee Wee's discoveries and tech blog

Disabling ANSI escape sequences on ADB

Posted over 8 years ago

by chuacw
- 0 Comments
There is the annoying issue of ANSI escape sequences when using certain Android USB drivers. If and when this happens, execute the following in ADB shell...
Chee Wee's discoveries and tech blog

How do you upgrade / migrate a Delphi project?

Posted over 8 years ago

by chuacw
- 0 Comments
Years ago, I was contracted by one of the world's largest real estate company to help them upgrade / migrate several projects that used Delphi, Visual...
Chee Wee's discoveries and tech blog

Enumerating all the programs that can launch a particular protocol and a particular file extension

Posted over 9 years ago

by chuacw
- 0 Comments
Raymond Chen wrote the original blog posts on enumerating all the programs that can launch a particular protocol and enumerating all the programs that...
Chee Wee's discoveries and tech blog

Delphi app with console and GUI

Posted over 9 years ago

by chuacw
- 0 Comments
I was looking at the Stackoverflow question - Program both as Console and GUI and noted that there wasn't an example for Delphi, so I created the following...
Chee Wee's discoveries and tech blog

Upgrading OpenWRT and reinstalling packages

Posted over 9 years ago

by chuacw
- 0 Comments
Before upgrade, save the list of installed packages: opkg list-installed > /etc/config/packages.installed Download upgrade: wget -O /tmp/upgrade.tar...
Chee Wee's discoveries and tech blog

Safe mode, Samsung Galaxy Note 4

Posted over 9 years ago

by chuacw
- 0 Comments
If you want to access Safe Mode, power down your phone completely — hold the power button, then select Power off from the menu. Once the phone is...
Chee Wee's discoveries and tech blog

Configuring IP addresses on Linux

Posted over 9 years ago

by chuacw
- 0 Comments
Configuring a static IP address: ifconfig eth0 192.168.1.130 netmask 255.255.255.0 up route add default gw 192.168.1.1 Configuring a dynamic IP address...
Chee Wee's discoveries and tech blog

OpenWRT WiFi debugging

Posted over 9 years ago

by chuacw
- 0 Comments
command/grammar for changing log level, wifi status uci set wireless.radio0.log_level= 1 uci commit wireless wifi up uci set wireless.radio[0|1|2|3].[log_level...
Chee Wee's discoveries and tech blog

Undocumented Delphi dependency directive

Posted over 9 years ago

by chuacw
- 0 Comments
I discovered the dependency directive some time ago, and filed a doc bug . It appears to be only for Android, ARM and iOS platforms only. Here's a...
Chee Wee's discoveries and tech blog

A generic case capability for Delphi

Posted over 9 years ago

by chuacw
- 0 Comments
I was thinking of an enhancement to nslookup (an utility to look up various Internet information) last night and when thinking about string parsing, I...
Chee Wee's discoveries and tech blog

SM-N910G Internals

Posted over 9 years ago

by chuacw
- 0 Comments
lrwxrwxrwx root root 2014-07-12 20:39 aboot -> /dev/block/mmcblk0p7 lrwxrwxrwx root root 2014-07-12 20:39 apnhlos -> /dev/block/mmcblk0p1 lrwxrwxrwx...
Chee Wee's discoveries and tech blog

Samsung Note 4 codes

Posted over 9 years ago

by chuacw
- 0 Comments
*#0808# USB Settings / MTP, ADB, RNDIS, DM, MODEM *#34971539# camera firmware *#0228# battery *#0*# sensors test Android codes *#9900# SysDump *#0011#...
Chee Wee's discoveries and tech blog

Batch uninstalling Windows updates

Posted over 9 years ago

by chuacw
- 0 Comments
Use WMIC to list all the installed Windows updates, and output it to a file: wmic qfe list brief /format:texttablewsys > UninstallKB.txt Then, use Excel...