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How do I upload a file with metadata using a REST web service?
...erver side, retrieve the file normally, and retrieve the json as a string. Convert the string to an object, which is usually one line of code no matter what programming language you use.
(Yes, it works great. Doing it in one of my apps.)
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How do I create a datetime in Python from milliseconds?
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Just convert it to timestamp
datetime.datetime.fromtimestamp(ms/1000.0)
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Is there a performance impact when calling ToList()?
...u should not use ToList() unless work you are doing cannot be done without converting collection to List. For example if you just want to iterate through the collection you don't need to perform ToList
If you are performing queries against a data source for example a Database using LINQ to SQL then...
Is the Javascript date object always one day off?
...ne.". If I do new Date('2012-01-01 GMT') it still applies an offset as it converts it to the user's local date time.
– AaronLS
Jan 28 '13 at 21:08
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How do you embed binary data in XML?
...d send it, inside an XML file, to a server.
If you're using .NET, you can convert a binary file directly to a base64 string and stick it inside an XML element.
string base64 = Convert.ToBase64String(File.ReadAllBytes(fileName));
Or, there is a method built right into the XmlWriter object. In my ...
What is difference between XML Schema and DTD?
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From the Differences Between DTDs and Schema section of the Converting a DTD into a Schema article:
The critical difference between DTDs
and XML Schema is that XML Schema
utilize an XML-based syntax, whereas
DTDs have a unique syntax held over
from SGML DTDs. Although DTDs...
How to add two strings as if they were numbers? [duplicate]
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I would use the unary plus operator to convert them to numbers first.
+num1 + +num2;
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HttpWebRequest using Basic authentication
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String username = "abc";
String password = "123";
String encoded = System.Convert.ToBase64String(System.Text.Encoding.GetEncoding("ISO-8859-1").GetBytes(username + ":" + password));
httpWebRequest.Headers.Add("Authorization", "Basic " + encoded);
Edit
Switched the encoding from UTF-8 to ISO 8859...
Should I use a data.frame or a matrix?
...trix; you don't just have to have numeric data to build a matrix in R.
In converting a data frame to a matrix, note that there is a data.matrix() function, which handles factors appropriately by converting them to numeric values based on the internal levels. Coercing via as.matrix() will result in ...
How to remove stop words using nltk or python
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Note: this converts the sentence to a SET which removes all the duplicate words and therefore you will not be able to use frequency counting on the result
– David Dehghan
Feb 21 '17 at 23:59
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