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任何组件块 · App Inventor 2 中文网
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雪球App
在雪球应用程序中，您可以在画布上使用许多球精灵来表示雪球中的雪花。 您可能希望它们在到达屏幕边缘时消失。 以前，您必须为每个雪花创建一个 when Ball_XX_.EdgeReached 才能实现此目的。 使用当任何Ball.EdgeReached事...
Is there a minlength validation attribute in HTML5?
... Aug 12 '13 at 11:02
Ali ÇarıkçıoğluAli Çarıkçıoğlu
1,24611 gold badge1212 silver badges2121 bronze badges
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Efficiently replace all accented characters in a string?
...,
"ᵬ":"b",
"ᶀ":"b",
"ƀ":"b",
"ƃ":"b",
"ɵ":"o",
"ć":"c",
"č":"c",
"ç":"c",
"ḉ":"c",
"ĉ":"c",
"ɕ":"c",
"ċ":"c",
"ƈ":"c",
"ȼ":"c",
"ď":"d",
"ḑ":"d",
"ḓ":"d",
"ȡ":"d",
"ḋ":"d",
"ḍ":"d",
"ɗ":"d",
"ᶑ":"d",
"ḏ":"d",
"ᵭ":"d",
"ᶁ":"d",
"đ":"d",
"ɖ":"d",
"ƌ":"d",
"ı":"i...
编辑你的应用（复制和粘贴） · App Inventor 2 中文网
...时，如果与项目中的现有组件发生冲突，App Inventor 将重命名粘贴的组件。 它通过为每个冲突名称计算一个新名称来实现这一点。
重命名算法的工作原理是在名称中添加数字后缀，或者增加名称的数字后缀，直到解决冲突。
例...
How do I get a consistent byte representation of strings in C# without manually specifying an encodi
...st string data = "A string with international characters: Norwegian: ÆØÅæøå, Chinese: 喂 谢谢";
var bytes = System.Text.Encoding.UTF8.GetBytes(data);
var decoded = System.Text.Encoding.UTF8.GetString(bytes);
Don't reinvent the wheel if you don't have to...
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How can I perform a culture-sensitive “starts-with” operation from the middle of a string?
...o characters irrespective of casing. For example, under the en-US culture, æ is equal to ae, and ffi is equal to ffi. C-normalization does not handle ligatures at all, since it only allows compatibility mappings (which are typically restricted to combining characters).
– Dougl...
windows下捕获dump之Google breakpad_client的理解 - C/C++ - 清泛网 - 专注C/C++及内核技术
...后来修改掉了吧，之前我还一直以为是对crash_server.exe重命名了。
进程外写dump，使用者一样要定义一个ExceptionHandler对象，这对象有管道名称。另外还需要写一个server进程，server进程负责：写dump、上传dump，当客户进程发生crash时...
Case insensitive XPath contains() possible?
...ÛÇÅÏÕÑŒ', 'abcdefghijklmnopqrstuvwxyzäöüéèêàáâòóôùúûçåïõñœ'),'foo')]");
– Stefan Steiger
Nov 29 '13 at 9:34
1
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Why should we NOT use sys.setdefaultencoding(“utf-8”) in a py script?
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#!/usr/bin/env python
#-*- coding: utf-8 -*-
u = u'moçambique'
print u.encode("utf-8")
print u
chmod +x test.py
./test.py
moçambique
moçambique
./test.py > output.txt
Traceback (most recent call last):
File "./test.py", line 5, in <module>
print u
UnicodeEnc...
用户界面（UI）组件 · App Inventor 2 中文网
...使用 getWebViewString() 和 setWebViewString(text) 方法操作 window.AppInventor 的Javascript对象。
> 例如：如果Web浏览框打开包含 Javascript 命令的页面：
document.write("在WEB页面Javascript中输出AppInventor设置的交换字串：" + window.AppInventor.getWebViewSt...