28
Apr
Portainer: How to Fix “Unable to retrieve image details”
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By
kumkum
- 0 comments
I cannot access container’s console in Portainer. When click Console link, it showed error message “Unable to ret…
18
Apr
Database, MySQL, Tips and Tricks
Ubuntu: How to Troubleshoot High CPU in MySQL
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By
kumkum
- 0 comments
Run ‘top’ to check PID of mysqld causes high CPU load
26
Aug
MySQL: How to Count Duplicated Records
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By
kumkum
- 0 comments
The following query can be used to count duplicated records in MySQL:
13
Aug
MySQL: How to Strip HTML Tags
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By
kumkum
- 2 comments
The following regular expression function can be used to strip HTML tags:
13
Aug
Kdenlive: How to Fix Audio Record Device
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By
kumkum
- 2 comments
I unable to do audio recording in Kdenlive. Audio device does not show in Settings => Configure Kdenlive =>…
10
Aug
Linux, Tips and Tricks, Windows
XAMPP: How to Open Phpmyadmin Access
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By
kumkum
- 0 comments
XAMPP’s Phpmyadmin folder is forbidden as default if accessed from internet. To open access this folder we have t…
02
Aug
Linux, Tips and Tricks, Ubuntu
Ubuntu: How to Install RTL8192EU Driver
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By
kumkum
- 5 comments
First, we install all packages required for the installation of the driver using this command:
22
Jul
MySQL: How to Fix “Field Doesn’t Have A Default Value” Error
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By
kumkum
- 0 comments
MySQL or MariaDB install has default value of sql mode named STRICT_TRANS_TABLES.
22
Jul
Moving Averages and Stochastic: Simple Indicators for a Simple Trading Strategy
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By
kumkum
- 0 comments
Strategies help traders avoid common mistakes by providing a strict and understandable analysis system. By follow…
20
Jul
Linux, Tips and Tricks, Ubuntu
Ubuntu: How to Fix “Key is stored in legacy trusted.gpg keyring (/etc/apt/trusted.gpg)”
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By
kumkum
- 0 comments
To resolve this issue, we have to export GPG key from deprecated keyring.
18
Jul
Git Error When Clone Repository: chmod on config.lock failed
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By
kumkum
- 0 comments
Cloning into ‘<repo>’…
error: chmod on /mnt/c/<repo>/.git/config.lock failed: Operatio…
17
Jul
How to Create Shortcut of File or Folder in Ubuntu
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By
kumkum
- 0 comments
For Windows user, it is very easy to create shortcut of file. Right click on the file, and choose Create Shortcut…
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