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Is there a string math evaluator in .NET?
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Although this is marked as the answer, it was 10 years ago and COM is kind of dead now. I prefer the DataTable.Compute answer below.
– dwilliss
Sep 9 '19 at 19:40
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UnicodeDecodeError: 'ascii' codec can't decode byte 0xe2 in position 13: ordinal not in range(128)
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It doesn't work in Python 2.7.10: TypeError: 'encoding' is an invalid keyword argument for this function
– Borhan Kazimipour
Dec 3 '18 at 6:44
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Can table columns with a Foreign Key be NULL?
...before, and it's easy to forget WHY this happens, and so it takes a little bit to remember what needs to be done.
If the data submitted is cast or interpreted as an empty string, it will fail. However, by explicitly setting the value to NULL when INSERTING or UPDATING, you're good to go.
But this...
How to Set Opacity (Alpha) for View in Android
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answered May 25 '10 at 11:52
RoToRaRoToRa
33.7k1010 gold badges6060 silver badges9595 bronze badges
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UTF-8, UTF-16, and UTF-32
...ority of characters in a block of text, because UTF-8 encodes these into 8 bits (like ASCII). It is also advantageous in that a UTF-8 file containing only ASCII characters has the same encoding as an ASCII file.
UTF-16 is better where ASCII is not predominant, since it uses 2 bytes per character, p...
Multi-gradient shapes
I'd like to create a shape that's like the following image:
5 Answers
5
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ng-repeat :filter by single field
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Mark RajcokMark Rajcok
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How does UTF-8 “variable-width encoding” work?
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Each byte starts with a few bits that tell you whether it's a single byte code-point, a multi-byte code point, or a continuation of a multi-byte code point. Like this:
0xxx xxxx A single-byte US-ASCII code (from the first 127 characters)
The mult...
Trying to SSH into an Amazon Ec2 instance - permission error
...h user_name@<instance public dns/ip>
e.g.
ssh ec2-user@ec2-198-51-100-1.compute-1.amazonaws.com
hope this helps someone.
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程序员之网络安全系列（二）：如何安全保存用户密码及哈希算法 - 更多技术 ...
...被人改过，你可以生成这样一份摘要 “第50个字是我，第100个字是爱， 第998个字是你”，那么你女朋友收到这个摘要，检查一下你的邮件就可以了。
Hash算法有两个非常主要的特征：
不能通过摘要来反推出原文
原文的非常...