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Error :Request header field Content-Type is not allowed by Access-Control-Allow-Headers
I created an mvc4 web api project using vS2012. I used following tutorial to solve the Cross-Origin Resource Sharing, "http://blogs.msdn.com/b/carlosfigueira/archive/2012/07/02/cors-support-in-asp-net-web-api-rc-version.aspx". It is working successfully, and i post data from client side to server s...
MFC Grid control 2.27 - C/C++ - 清泛网移动版 - 专注C/C++及内核技术
MFC Grid control 2.27MFC-Grid-control-2-27MFC Grid control是一款开源的轻量级的MFC表格控件，使用比较广泛，可快速做出各种定制界面的表格。
Download Grid Control Source and Demo - 311.9 KB
Preface
This grid is the work of thousands of hours of squinting at...
URL encoding the space character: + or %20?
... resource with space in the name http://camera.phor.net/cameralife/folders/2012/2012-06%20Pool%20party/
– William Entriken
Apr 13 '13 at 23:55
10
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How would Git handle a SHA-1 collision on a blob?
...
Original answer (2012) (see shattered.io 2017 SHA1 collision below)
That old (2006) answer from Linus might still be relevant:
Nope. If it has the same SHA1, it means that when we receive the object from the other end, we will not overwr...
Does the APNS device token ever change, once created?
...oper). As always, it is best to verify your assumptions.
Update (June 2012):
I recently had a chance to a> talk to Apple engineers and b> run some real world tests, and I wanted to present the results:
To be complete, when I talk about returning an APN token, I am assuming the context o...
Adding information to an exception?
...message attribute on BaseException was retracted in a change to PEP 352 on 2012-05-16 (my first update was posted on 2012-03-12). So currently, in Python 3.5.2 anyway, you'd need to do something along these lines to preserve the traceback and not hardcode the type of exception in function bar(). Als...
一文了解大数据领域创业的机会与方向 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...，大数据在全球范围内的市场规模同样巨大，根据IDC发布最新研究结果，预测到2018年全球大数据技术和服务市场的2018年的复合年增长率将达到26.4%，规模达到415亿美元，是整个IT市场增幅的6倍。
无论是从国内还全球的市场规模...
App Inventor 2 低功耗蓝牙(BLE) 硬件接入、数据通信及IO控制 · App Inventor 2 中文网
... 2024/05/01 之前。
App Inventor 2 中文网VIP会员免费享有基础版技术支持服务，有任何问题都可以在线及时得到解决，是创客学习App Inventor 2 必备之利器，欢迎体验！
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Get pandas.read_csv to read empty values as empty string instead of nan
... answer now seems simpler, so here you go.
Since Pandas version 0.9 (from 2012), you can read your csv with empty cells interpreted as empty strings by simply setting keep_default_na=False:
pd.read_csv('test.csv', keep_default_na=False)
This issue is more clearly explained in
More consistent n...
What is your naming convention for stored procedures? [closed]
...ten in 2001. It's changed since then, here's a more thorough article (from 2012) by Aaron Bertrand: sqlperformance.com/2012/10/t-sql-queries/sp_prefix
– Michael J Swart
Apr 4 '19 at 14:23
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