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What is the 'cls' variable used for in Python classes?
...ered Jan 6 '11 at 8:21
Juho VepsäläinenJuho Vepsäläinen
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find() with nil when there are no records
... 1 '17 at 20:06
Cristiano MendonçaCristiano Mendonça
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Arrays vs Vectors: Introductory Similarities and Differences [closed]
...swered Feb 26 '13 at 0:28
John KällénJohn Källén
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Check if two lists are equal [duplicate]
...ed Mar 4 '14 at 13:51
Selman GençSelman Genç
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How to remove convexity defects in a Sudoku square?
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Amazing answer! Where did you get the idea of dividing by the closing to normalize the image brightness? I'm trying to improve the speed of this method, since floating-point division is painfully slow on mobile phones. Do you have any suggestions? @AbidRahmanK
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How do I compile C++ with Clang?
...buntu, and I can successfully compile C files using it. However, I have no idea how to compile C++ through it. What do I need to do to compile C++?
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comparing 2 strings alphabetically for sorting purposes
...ype.sort()
Keep in mind that sorting is locale dependent. E.g. in German, ä is a variant of a, so "ä".localeCompare("b", "de-DE") returns -1. In Swedish, ä is one of the last letters in the alphabet, so "ä".localeCompare("b", "se-SE") returns 1.
Without the second parameter to localeCompare, t...
What are the alternatives now that the Google web search API has been deprecated? [closed]
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@Pacerier, I have no idea about it. Maybe the policy have changed?
– Yishu Fang
Sep 18 '15 at 14:43
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App Inventor 2 SQLite 拓展：超流行兼容主流SQL语法的迷你本地数据库引擎...
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SQLite 拓展
1.3版本更新（2025/09/24）
1.2版本更新（2025/09/15）
中文网测试案例
打开数据库
数据库信息
创建数据表
数据表信息
插入数据
更新数据
删...
垂直布局，高度无法充满怎么解决 - App Inventor 2 中文网 - 清泛IT社区，为创新赋能！
C:\Users\Lenovo\Desktop\wechat_2025-04-06_205731_542.png你好，请把 Screen1 下面的组件树展开看看。
目测是因为这个 垂直布局 的父组件，高度没有充满整个屏幕，所以它只能充满它的父组件的高度。没有设置的选项App Inventor 2 发表...