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Structure padding and packing
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A note though - unaligned memory access is slower on architectures that allow it (like x86 and amd64), and is explicitly prohibited on strict alignment architectures like SPARC.
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Drawing an SVG file on a HTML5 canvas
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EDIT Dec 16th, 2019
Path2D is supported by all major browsers now
EDIT November 5th, 2014
You can now use ctx.drawImage to draw HTMLImageElements that have a .svg source in some but not all browsers. Chrome, IE11, and Safari work, Firefox works with some bugs (but nig...
How to validate an OAuth 2.0 access token for a resource server?
...gin": "octocat",
"id": 1,
"avatar_url": "https://github.com/images/error/octocat_happy.gif",
"gravatar_id": "somehexcode",
"url": "https://api.github.com/users/octocat"
}
}
Amazon way
Login With Amazon - Developer Guide (Dec. 2015, page 21)
Request :
https://api.amazon.com/a...
Reflection - get attribute name and value on property
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You will get a: Error 1775 Member 'Namespace.FieldName ' cannot be accessed with an instance reference; qualify it with a type name instead. If you need to do this, I suggest to change 'const' to 'readonly'.
– Mikael E...
Excel RTD(Excel Real-Time Data)实时刷新数据技术 - C/C++ - 清泛网 - 专注C/C++及内核技术
...一个方法是UpdateNotify方法。该方法想Excel发出一个通知，提示有新数据需要更新，这是Excel就会调用RefreshData方法，从中读取到更新后的数据。需要注意的是调用UpdateNofity方法必须要在Excel主线程中进行。
三 实例：RTD实时行情
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Redirect STDERR / STDOUT of a process AFTER it's been started, using command line?
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ps # look for process xulrunner-stub (in this case we saw the PID in the error above)
silence 5117 # run the script, using PID we found
You could also redirect gdb's output to /dev/null if you don't want to see it.
shar...
join list of lists in python [duplicate]
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@ZachEstela, I'm happy to see someone call this unpythonic. It seems like many techniques others like to call pythonic are not easily understood at first glance. Readability is one of the things that makes Python attractive to me. This solution is cool, and pro...
当ORACLE 11G 遇到 JUNIPER 防火墙 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
...110.102的1521端口
配置
Tnsnames.ora 文件
使用PL/SQL 连接本机的IP地址 登陆查询一切正常。
由此判断 问题不是出在跨网段等问题，当使用端口映射的时候，本机就相当于一台防火墙了。 自此认为问题还是处在防火墙上...
OWIN Startup Class Missing
I'm getting this error as my project is not able to find the reference for OWIN startup class. I've even installed all the OWIN reference packages through Nuget still getting the same issue. I'm using Visual Studio 2012 and MVC4 .
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bash: pip: command not found
...ib you want> but before it even tries to find anything online I get an error "bash: pip: command not found".
29 Answers...