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Android存储系统基础知识：内部存储，外部存储，App特定目录 ASD(app speci...
... or
file:///storage/emulated/0/
要访问外部存储，需要 READ_ 或 WRITE_EXTERNAL_STORAGE 权限。
App特定目录 ASD(App-specific directory)
此外，可能还有一个特定于应用程序的目录（ASD），可以使用以下命令创建
...
Integrating the ZXing library directly into my Android application
... - SOLVED + GUIDE
I've managed to figure it out :) And down below you can read step-by-step guide so it hopefully can help others with the same problem as I had ;)
Install Apache Ant - (See this YouTube video for config help)
Download the ZXing source from ZXing homepage and extract it
With the u...
Are there any smart cases of runtime code modification?
...
An interesting read is Michael Abrash's 3-Part Pixomatic articles on DDJ: drdobbs.com/architecture-and-design/184405765, drdobbs.com/184405807, drdobbs.com/184405848. The second link (Part2) talks about the Pixomatic code welder for the pix...
erb, haml or slim: which one do you suggest? And why? [closed]
...proper tags.
If you work on both HTML and ruby logic, or your designer is ready to learn something new (like HAML) I'd go for HAML. It is a lot more ruby-friendly, reduces char count by much and a lot more readable than ERB.
For example (taken from official HAML site):
In ERB your view will look ...
How do I forward parameters to other command in bash script?
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Pay attention to use quotes! Read more on why it is important them around here: stackoverflow.com/a/4824637/4575793
– Cadoiz
Jul 13 '19 at 15:59
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How to validate an email address in PHP
...ng a confirmation mail.
Now that you have your easy answer feel free to read on about email address validation if you care to learn or otherwise just use the fast answer and move on. No hard feelings.
Trying to validate an email address using a regex is an "impossible" task. I would go as far a...
Mac OS X - EnvironmentError: mysql_config not found
First off, yeah, I've already seen this:
9 Answers
9
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Import regular CSS file in SCSS file?
...ing to my Gemfile.lock. Still seeing Error: File to import not found or unreadable: cssdep/cssfile. If I create a cssdep/cssfile.scss it suddenly works. So not a path issue, for some reason I still can't include '.css' files from SASS :(
– thom_nic
Aug 31 '1...
What's the rationale for null terminated strings?
...ple library function
efficient for the main use of strings : constant text read
sequentially from a known start
(mostly messages to the user).
the terminating zero is not even mandatory, all necessary tools
to manipulate chars like a bunch of
bytes are available. When performing
array initialisation...
When would you use the Builder Pattern? [closed]
...
This builder would then spit out the HTML for me. This is much easier to read than walking through a large procedural method.
Check out Builder Pattern on Wikipedia.
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