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What is the _snowman param in Ruby on Rails 3 forms for?
...rs that can be understood as both Latin-1 and Unicode (for instance, é or ç, common in names), Internet Explorer will encode them in Latin-1.
This means that if a user searches for "Ché Guevara", it will come through incorrectly on the server-side. In Ruby 1.9, this will result in an encoding er...
Pickle or json?
... answered Feb 13 '10 at 22:22
Håvard SHåvard S
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Convert a Python list with strings all to lowercase or uppercase
...3, map wins the race, but does nothing :)
– Jean-François Fabre♦
Mar 7 '18 at 19:22
@NedDeily map(str.lower,["A","B...
CSS '>' selector; what is it? [duplicate]
...ered Dec 16 '10 at 10:44
David MårtenssonDavid Mårtensson
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On design patterns: When should I use the singleton?
The glorified global variable - becomes a gloried global class. Some say breaking object-oriented design.
19 Answers
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Check to see if a string is serialized?
....org/reference/functions/is_serialized
– Cédric Françoys
Feb 22 '19 at 8:57
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WSAAsyncSelect模型 - C/C++ - 清泛网 - 专注C/C++及内核技术
...Select模型WSAAsyncSelect模型允许应用程序以Windows消息的方式接收网络事件通知。许多对性能要求不高的网络应用程序都采用WSAAsyncSelect模型，MFC的...WSAAsyncSelect模型允许应用程序以Windows消息的方式接收网络事件通知。许多对性能要...
Outlook 企业邮箱设置全攻略 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...理上有些差异：独立的：自行搭建的邮件服务器，发送、接收的邮件内容全部在内部服务器上。第三方企业邮：统一 第三方企业邮箱和独立的邮箱原理上有些差异：
独立的：自行搭建的邮件服务器，发送、接收的邮件内容全...
大佬们，串口输出的文本字符怎么不能比较，也不能转换数字类型？ - App应用...
...便的话，能否附上aia源码我这边试下？谢谢
串口接收到为 来自stm32 int类型，数字67james 发表于 2024-07-15 15:04
串口接收到为 来自stm32 int类型，数字67
这个aia源码中好像没有相关代码。估计也是跑不起来的。要不你...
App Inventor 2 UrsPahoMqttClient 拓展 - 物联网轻量级MQTT协议 · App Inventor 2 中文网
...oS0：最低质量等级，最多发送一次消息，在消息发出后，接收者不会发送应答，发送者也不会重发消息，消息可能送达一次、也可能根本没送达。常用于不重要的消息传递，允许消息丢失。
QoS1：中等质量等级，最少发送一次...