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Why does the 260 character path length limit exist in Windows?
... answered Dec 10 '09 at 11:45
vallivalli
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jQuery Validate Plugin - Trigger validation of single field
I've got a form that can optionally be pre-populated via facebook connect. Once a user connects, their name and email are automatically filled in. The problem is that this doesn't trigger the remote validation to check if the email already exists.
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App Inventor 2 数学积木完全指南：从加减乘除到位运算，一篇搞定所有计算...
...复写乘法。
小技巧：带有数字值的块（如列表长度、文本长度、变量值）都可以直接接入数学运算积木，不需要先转换为数字类型。
二、比较运算：条件判断的核心
六种比较积木返回 真(true) 或 假(false)，是 if/else 条件...
Get city name using geolocation
... as to which one will have the city.
"administrative_area_level_1" is usually what you are looking for but sometimes locality is the city you are after.
Anyhow - more details on google response types can be found here and here.
Below is the code that should do the trick:
<!DOCTYPE html> ...
How to pass a user defined argument in scrapy spider
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The above code is only partially working for me. For eg. If I define domain using self.domain, I'm still not able to access it outside the __init__ method. Python throws a not defined error. BTW, why have you omitted the super call? PS. I'm working wit...
Add a prefix to all Flask routes
...tant to the route at every definition. Is there a way to do this automatically?
10 Answers
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How to get function parameter names/values dynamically?
Is there a way to get the function parameter names of a function dynamically?
31 Answers
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Python (and Python C API): __new__ versus __init__
...vs immutable types.
__new__ accepts a type as the first argument, and (usually) returns a new instance of that type. Thus it is suitable for use with both mutable and immutable types.
__init__ accepts an instance as the first argument and modifies the attributes of that instance. This is inappropr...
7个App Inventor 2文件操作实用技巧，读写文件从未如此顺手 - App应用开发 ...
...入的场景。
• 追加内容（AppendToFile）：在文件末尾追加文本，不删除原有内容。适合写日志、累积数据采集记录。
技巧3：读取文件用对路径前缀，AI伴侣与打包版不打架
文件路径前缀决定了从哪儿读文件，这是文件管理器...
我用AnyComponent块改造了App，30个按钮的代码从300行缩成了10行 - App应用...
... 的 背景颜色 为 绿色
设置 任意组件 button 的 文本 为 "空闲中"
踩过的坑
坑1："Make Generic"是单向的
把特定事件块转为通用块（Make Generic）后，App Inventor 不允许转回特定版本。所以一定要先备份或...