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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 ...
HttpWebRequest using Basic authentication
...
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...
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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Print content of JavaScript object? [duplicate]
...objects with circular reference chains - Chrome gives an error: TypeError: Converting curcular structure to JSON
– DavidJ
May 15 '13 at 12:57
8
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How can I use tabs for indentation in IntelliJ IDEA?
...ift + A > write "tabs" > double click on "To Tabs"
If you want to convert tabs to spaces, you can write "spaces", then choose "To Spaces".
Edit > Convert Indents > To Tabs
To convert tabs to spaces, you can chose "To Spaces" from the same place.
For all files
The paths in the othe...
微博为什么限制140字(附短信70字限制考) - 闲聊区 - 清泛IT社区，为创新赋能！
问题的提出申请过那么多的微博，数申请网易微博的动机最不纯，因为它的字数限制不是传说中的140字，而是163个字。当年觉得很可爱，于是就注册了，之后再也没登录过。今天在人人网转发状态，提示我超过140字了，突然就好...
What is the purpose of a self executing function in javascript?
...n' and 'e'.
So someone nice person has written a comprehensive character converter out there that I can include in my site... I include it.
One problem: it has a function in it called 'name' same as my function.
This is what's called collision. We've got two functions declared in the same scope ...
How to change the CHARACTER SET (and COLLATION) throughout a database?
...tf8mb4_0900_ai_ci;
change table collation:
ALTER TABLE <table_name> CONVERT TO CHARACTER SET utf8 COLLATE utf8mb4_0900_ai_ci;
change column collation:
ALTER TABLE <table_name> MODIFY <column_name> VARCHAR(255) CHARACTER SET utf8 COLLATE utf8mb4_0900_ai_ci;
What do the parts of ...
Format number to 2 decimal places
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@UncleIroh, No I think he actuallyy means convert(2229.999 as decimal(4,2)).
– Pacerier
Apr 28 '15 at 6:58
3
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Using StringWriter for XML Serialization
...on must match the actual encoding of the bytes.
The 8-bit encoding will be converted into UTF-16 LE by the XML datatype
With the points outlined above in mind, and given that strings in .NET are always UTF-16 LE / UCS-2 LE (there is no difference between those in terms of encoding), we can answer...