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What's the difference between %s and %d in Python string formatting?
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what do you call these %s, %d, etc?
– Chaine
May 19 '17 at 18:21
1
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ActiveModel::ForbiddenAttributesError when creating new user
...mit(:what, :ever)
end
Update:
Here's a continuation project for CanCan called CanCanCan, which looks promising:
CanCanCan
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micro:bit 实验07 - 手机调色，点亮一颗 RGB LED · App Inventor 2 中文网
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Create or write/append in text file
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“Prevent saving changes that require the table to be re-created” negative effects
...and re-create because it doesn't have to.
The problem is that enumerating all of the cases and determining which side of the line they fall on will be quite tedious.
This is why I like to use ALTER TABLE in a query window, instead of visual designers that hide what they're doing (and quite frankly...
编程基础与事件状态 02：把分钟变成可以计算的秒数 · App Inventor 2 中文网
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为什么编译好的libcurl静态lib用不了？ - C/C++ - 清泛网 - 专注C/C++及内核技术
...an application that uses the static libcurl library, you must
add -DCURL_STATICLIB to your CFLAGS. Otherwise the linker will look for
dynamic import symbols. If you get linker error like "unknown symbol
__imp__curl_easy_init ..." you have linked against the wrong (static)
library. If you...
vs2010编译boost若干问题解决 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...径——“C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\bin\x86_ia64”。再次运行“bootstrap.bat”,提示找不到“mspdb100.dll”,继续在环境变量中添加了路径——“C:\Program Files (x86)\Microsoft Visual Studio 10.0\Common7\IDE ”。
继续编译，还是不过...
Hibernate error - QuerySyntaxException: users is not mapped [from users]
I'm trying to get a list of all the users from "users" table and I get the following error:
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红外实验 - 把手机变成家电遥控器 · App Inventor 2 中文网
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