大约有 30,000 项符合查询结果(耗时:0.0368秒) [XML]

https://stackoverflow.com/ques... 

How to get a float result by dividing two integer values using T-SQL?

... answered Jul 30 '12 at 12:05 RichardRichard 26.5k66 gold badges6565 silver badges114114 bronze badges ...
https://stackoverflow.com/ques... 

What programming practice that you once liked have you since changed your mind about? [closed]

...ian notation (both Forms and Systems). I used to prefix everything. strSomeString or txtFoo. Now I use someString and textBoxFoo. It's far more readable and easier for someone new to come along and pick up. As an added bonus, it's trivial to keep it consistant -- camelCase the control and append a u...
https://stackoverflow.com/ques... 

What is the difference between List (of T) and Collection(of T)?

...s that it is returning a new instance. Note that for e.g. a Dictionary<string, List<string>> to return List<string> is just fine, since the dictionary's state only encapsulates the identities of the lists therein, rather than their contents. – supercat ...
https://stackoverflow.com/ques... 

How to configure logging to syslog in Python?

... I add a little extra comment just in case it helps anyone because I found this exchange useful but needed this little extra bit of info to get it all working. To log to a specific facility using SysLogHandler you need to specify the facili...
https://stackoverflow.com/ques... 

Reshape three column data frame to matrix (“long” to “wide” format) [duplicate]

...' the matrix. #' #' @param data data.frame: input data #' @param rowtitle string: row-dimension; name of the column in data, which distinct values should be used as row names in the output matrix #' @param coltitle string: col-dimension; name of the column in data, which distinct values should be u...
https://stackoverflow.com/ques... 

Difference between single and double square brackets in Bash

...nsion. expr a \< b > /dev/null: POSIX equivalent², see: How to test strings for lexicographic less than or equal in Bash? && and || [[ a = a && b = b ]]: true, logical and [ a = a && b = b ]: syntax error, && parsed as an AND command separator cmd1 &&amp...
https://stackoverflow.com/ques... 

Collections.emptyMap() vs new HashMap()

...e this, and does not allow null references: public ResultSet executeQuery(String query, Map<String, Object> queryParameters); If you have a query that doesn't take any parameters, it's certainly a bit wasteful to create a HashMap, which involves allocating an array, when you could just pass...
https://stackoverflow.com/ques... 

Converting PKCS#12 certificate into PEM using OpenSSL

...the above example, I get the following: "TypeError: initializer for ctype 'char' must be a bytes of length 1, not str" Is there something wrong with my password – getaglow Nov 29 '18 at 15:29 ...
https://stackoverflow.com/ques... 

How to handle many-to-many relationships in a RESTful API?

...00:00:00Z', } This solution relies on REST resources only. Although some extra calls may be necessary to get data from players, teams or their relationship, all HTTP methods are easily implemented. POST, PUT, DELETE are simple and straightforward. Whenever a relationship is created, updated or de...
https://stackoverflow.com/ques... 

T-SQL datetime rounded to nearest minute and nearest hours with using functions

... "Rounded" down as in your example. This will return a varchar value of the date. DECLARE @date As DateTime2 SET @date = '2007-09-22 15:07:38.850' SELECT CONVERT(VARCHAR(16), @date, 120) --2007-09-22 15:07 SELECT CONVERT(VARCHAR(13), @date, 120) --2007-09-22 15 ...