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BLE connection error “Connection status was set to OS code 133” - 创...
https://stackoverflow.com/questi ... droid-bluetooth-ble
问题原来是设备试图发送大于 MTU 大小的数据包,Android 默认为 23,至少在我测试的特定设备上是这样。
请求更大的 MTU 大小确实解决了问题。
但是,如果错误代码可以明确指出...
马云:互联网时代已经过去20年,接下来30年才是关键 - 资讯 - 清泛网 - 专...
...母借钱,想朋友借,如果大家都不借给你,说明你人品有问题。”
随着时间推进,马云越发逸兴遄飞,妙语不断。他甚至很认真对近2000名年轻人说:“你们要在一两年超过我们,是不可能的,除非我们实在愚蠢。但是如果给你...
How to convert SecureString to System.String?
... Andrew ArnottAndrew Arnott
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简单谈谈软件配置管理 - 项目管理 - 清泛网 - 专注C/C++及内核技术
...QA监督配置审计是否按照标准流程来进行,并记录不一致问题。
f)每次配置审计要将审计结果记录到《配置审计报告》中,记录和跟踪配置审计检查出的问题。
物理审计的方法:
根据《配置审计检查单》去检查,该有的配置...
Why are regular expressions so controversial? [closed]
...tive parser (developer dependent threshold). One of my favourite examples PHP's split($pattern,$string) vs explode($delimiter,$string) - thankfully the former is getting depreciated, but lots of code used the former when they only needed the power of the later. Aggreed, RegEx's provide an easy too...
In HTML I can make a checkmark with ✓ . Is there a corresponding X-mark?
...ectly. Here's a good link to more symbols: danshort.com/HTMLentities/index.php?w=dingb
– Nathan Prather
Aug 26 '12 at 15:25
1
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How do I connect to a MySQL Database in Python?
...1 - Setting
You must install a MySQL driver before doing anything. Unlike PHP, Only the SQLite driver is installed by default with Python. The most used package to do so is MySQLdb but it's hard to install it using easy_install. Please note MySQLdb only supports Python 2.
For Windows user, you can...
How to show particular image as thumbnail while implementing share on Facebook?
... this only seems to work for the newer api, not the old share.php link
– chrismarx
Apr 28 '11 at 18:01
add a comment
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Regular expression for floating point numbers
...g a floating point number is
[+-]?([0-9]*[.])?[0-9]+
This will match:
123
123.456
.456
See a working example
If you also want to match 123. (a period with no decimal part), then you'll need a slightly longer expression:
[+-]?([0-9]+([.][0-9]*)?|[.][0-9]+)
See pkeller's answer for a fuller...
移动前端开发之viewport的深入理解 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...是,devicePixelRatio在不同的浏览器中还存在些许的兼容性问题,所以我们现在还并不能完全信赖这个东西,具体的情况可以看下这篇文章。
devicePixelRatio的测试结果:
三、PPK的关于三个viewport的理论
ppk大神对于移动设备上...
