
Apr
08
Sed Examples
Published 10:04 Apr 08, 2018 by @ezra.
#Technology# We use sed to work with text files like log files, configuration files, and other text files.
In th...

Apr
08
Awk Examples
Published 09:04 Apr 08, 2018 by @ezra.
#Technology# Sometimes you need something powerful, giving you more control to process data. This is where awk co...

Mar
05
Whiptail Cheatsheet
Published 15:03 Mar 05, 2018 by @ezra.
#Programming# Whiptail is a program that allows shell scripts to display dialog boxes to the user for informationa...

Mar
05
Swift: Codable not decoding properties with subclasses
Published 12:03 Mar 05, 2018 by @ezra.
#Programming# In this code, the groceries properties is not deserialised from JSON. The name property is, but not ...

Feb
24
Remove all macOS generated invisible files
Published 23:02 Feb 24, 2018 by @ezra.
#macOS# Remove all macOS generated invisible files in current folder: both .DS_Store and ._XXXX files.
find ...

Feb
10
RSYNC Cheatsheet
Published 15:02 Feb 10, 2018 by @ezra.
#macOS#
Commands
Description
rsync /path/to/file.ext /path/to/dest
简单的复制文件 file.ext 到 /path...

Jan
21
Tkinter Cheatsheet
Published 10:01 Jan 21, 2018 by @ezra.
#Programming# Hello World
We always need to follow two steps no matter how big the application is, there is always...

Jan
06
CSS Selectors Cheatsheet
Published 17:01 Jan 06, 2018 by @ezra.
#Programming#
Selector
Example
Example description
.class
.intro
Selects all elements with class="i...

Jan
05
Swift: Return instancetype
Published 12:01 Jan 05, 2018 by @ezra.
#Programming# To return instancetype in Swift, you can define a generic helper method which infers the type of sel...

Jan
03
CocoaPods: Encountered an unknown error (Pod::DSLError) during validation
Published 12:01 Jan 03, 2018 by @ezra.
#Programming# 在发布到 CocoaPods 是如果遇到下面的问题:
Validating podspec
-> UIMessageBar (1.0.0)
- ERROR | [iOS] unknow...

Dec
28
Swift: Codable With Custom Dates
Published 12:12 Dec 28, 2017 by @ezra.
#Programming# How do you decode a JSON feed that has several custom date formats? If you are lucky using a dateDec...