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Converting Stream to String and back…what are we missing?
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a UTF8 MemoryStream to String conversion:
var res = Encoding.UTF8.GetString(stream.GetBuffer(), 0 , (int)stream.Length)
share
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Changing default encoding of Python?
...exist, here!
reload(sys) # Reload does the trick!
sys.setdefaultencoding('UTF8')
(Note for Python 3.4+: reload() is in the importlib library.)
This is not a safe thing to do, though: this is obviously a hack, since sys.setdefaultencoding() is purposely removed from sys when Python starts. Reenab...
App Inventor 2 注册登录功能教程 - 网络微数据库实现用户系统 · App Inventor 2 中文网
...步的，结果在各自的事件里拿到。接口返回的 data 是 JSON 文本，用 Web 客户端组件的 JsonTextDecodeWithDictionaries 解析成字典再取字段。
界面组件：文本输入框_邮箱、文本输入框_验证码、文本输入框_用户名、文本输入框_密码、按...
WheelView 拓展：滚轮选择框扩展，滚轮日历选择框和旋转日历扩展 · App In...
...回值：数字类型，选中的日期
GetDateText 获取日期文本() {:.text .read-only}
获取格式化的日期文本。
返回值：文本类型，格式化的日期字符串
GetCurrentDate 获取当前日期() {:YAILList}
获取当前系统日期。
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App Inventor 2 息屏与后台运行问题解决方案 · App Inventor 2 中文网
... offsetY = e.clientY - element.offsetTop; return false; // 防止文本选中 }; // 鼠标移动时拖动元素 document.onmousemove = function(e) { if (!isDragging) return; element.style.left = (e.clientX - offsetX) + 'px'; element.style.top = (e....
Objective-C and Swift URL encoding
...d,
NULL,
CFSTR("!*'();:@&=+$,/?%#[]\" "),
kCFStringEncodingUTF8));
Using Core Foundation Without ARC:
NSString *escapedString = (NSString *)CFURLCreateStringByAddingPercentEscapes(
NULL,
(CFStringRef)unescaped,
NULL,
CFSTR("!*'();:@&=+$,/?%#[]\" "),
kCFStr...
语音（HarmonyVoice）使用指导 · App Inventor 2 中文网
... HarmonyVoice，保留名称 HarmonyVoice1；拖入案例涉及的按钮、文本输入框以及一个标签 标签1，按代码中的名称重命名。
根据下面的业务说明准备素材、JSON 或系统目标。案例中的按钮代表分步操作，先等初始化、加载或创建成功...
mysql Foreign key constraint is incorrectly formed error
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Recent versions of MariaDB seem to use utf8_mb4 as the default charset (when not set explicitly in the server config) so COLLATE utf8mb4_unicode_ci was my (unexpected) problem (on the dev machine).
– JonnyJD
Oct 20 '17 at 16:...
Maximum length for MySQL type text
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Note that in MySQL, utf8 consumes up to 3 bytes, utf8mb4 consumes up to 4. reference
– mpen
May 26 '15 at 16:09
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Check if database exists in PostgreSQL using shell
...------------+------------+-----------------------
my_db | my_user | UTF8 | en_US.UTF8 | en_US.UTF8 |
postgres | postgres | LATIN1 | en_US | en_US |
template0 | postgres | LATIN1 | en_US | en_US | =c/postgres +
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