How to count a table column that not Null or Zero and Insert the result into "Count" column like table down below in Mysql? column1 | column2 | column3 | column4 | Count 3 2 4 2 4 2 2 3 0 3 3 0 5 2 3 0 0 2 3 2 0 0 6 2 2 One way is simply using c
I cannot update my remarks column using the below query update Customers set customers.Remarks = remarks_stg.remarks from (select remarks from remarks_stg) remarks_stg where customers.Remarks = 'updateme' The query executed successfully but the remar
Is there a simple way to find potentially two different matches from the same table row in a JOIN statement? For example, I have a storage table called st that looks like this: Unique ID Log_ID1 [other fields] Log_ID2 1 25 ... 30 There is a log table
I am new to python and have a pretty simple (hopefully straightforward!) question. Say that I have a data frame with 3 columns: time (which is in the format YYYY-MM-DDTHH:MM:SSZ), device_id, and rain but I need the first column, "time", to becom
I want to delete column(s) in R data frame if their last value is NA. Example data frame is below A B C D 11 10 19 20 22 20 29 40 33 30 39 60 44 NA NA 80 I would like to get the following output (Column B and C dropped because they had NA values in t
I'm trying to use Index Match to Compare a numeric code in Column B with anything that's a match in Column E, and if it's a match -- pull the info from same line in Column D and place it in Column A same line as Column B code used to match. I've neve
I have a list of data tables that looks like like this: group1 <- data.table( group = rep(x = c("group1"), each = 16), amount = rep(x = 7:4, each = 4), subgr = rep(x = 1:2, each = 8), ind = rep(x = 0:1, each = 4, times = 2) ) group2 <- dat
how can I change the positions of entire row and columns in a matrix [nxm]? For example, I want to change my entire 10th row and 10th column into entire 1st column and 1st row. Thank you.A dummy example: A = magic(11) n = 10; A(n,:) = A(1,:); A(:,n)
i want to rearrange the columns of a txt file, but there are empty values, which cause a problem. For example: testfile: Name ID Count Date Other A 1 10 513 x 6 15 312 x 3 18 314 x B 19 31 942 x 8 29 722 x when i tried $ more testfile |awk '{print $2
I have a pandas Series, sufficiently small so I can read all items (about 80), but too big for the size of the screen. Is there some python command ou ipython (notebook) magic command or pandas function to columnate that list or Series so I can read
I am trying to multiply a 10X7 Pandas dataframe by a 1X7 dataframe in Python. Here is what I have: df = pd.DataFrame(np.random.rand(10,7),columns=list('ABCDEFG')) df_1 = pd.DataFrame(np.random.rand(1,7),columns=list('ABCDEFG')) I tried this: df_prod
I have a table with 4 columns and is loaded with data. The data can range from 1000 to maximum of 2Million. I get a file (lets say tab separated) as part of daily process with the data for 4 columns. I should prepare a report where for each column ma
I am new to SQL queries and am trying to compact a number of rows down to a single row with a like identifier. Below is an example: Table orders: groupid | question | answer |-----------------------------------| abc000 | First Name | John abc000 | La
I have two tables. They both have date and item_id columns. I'm inner joining them on item_id. The results should be ordered by both date columns together The code below works, producing the correct result set... However they are only ordered by the
I was wondering if there is some built-in otherwise command available that can print Nth column from input. E.g. awk '{print $2}' or cut... It would make life easier when I want to run it on piped output while running it via ssh (quoting it always a
There are 3 tables: buildings, rooms, reservations. 1 building = n rooms 1 room = n reservations TABLE BUILDINGS - ID(int), name(varchar) TABLE ROOMS - ID(int), building_id(int) TABLE RESERVATIONS - ID(int), room_id(int), date_start(datetime), date_e
I have a data set, df, with two variables, x and y. I want to write a function that does the following: x if x>100 and y<50 else y I am used to doing data analysis in STATA so I'm relatively new to pandas for data analysis. If it helps, in stata it
So say for example I have a set of columns going down (i.e Sample 1...Sample n) is there a function that can check to see that it has String Test && integer. Then counts it. So I know an if function is needed, but whats the function to check to se
I want to get the data from my mysql db , but one column is saved data as an array ... How can i get the values separately . Please advice... This is how Data saved in db for the dropdown values {"value":["Authority ","Boards"
Let's say I have this <ul> <li>test</li> <li>test</li> <li>test</li> <li>test</li> <li>test</li> <li>test</li> </ul> ul { column-count: 2; } and I want to align first colu
I need to know the number of columns from a text file with floats. I've made like this to know the number of lines: inFile.open(pathV); // checks if file opened if(inFile.fail()) { cout << "error loading .txt file for reading" << end
I have a large array of tab delimited data. I'd like to calculate the mean values for each column. The problem is some values are 'None' and I'd like to perform the calculation and exclude these data points. The data structure looks like this: 0.0 0.
This is an extension to the question on returning the rows of a matrix that meet a condition in R. Say I have the matrix: one two three four [1,] 1 6 11 16 [2,] 2 7 12 17 [3,] 3 8 11 18 [4,] 4 9 11 19 [5,] 5 10 15 20 [6,] 1 6 15 20 [7,] 5 7 12 20 I w
I have two views and need to join them on two different data types and two columns. the first join is on: the one view has a productlength field of 0.138, data type varchar. the other view has a length field of 0.138, data type float. the second join
I'm using DataTables.net + Twitter Bootstrap and the responsive layout, what I'm trying is to hide some columns of the table using the class "visible-desktop" thats shows the columns only in big sizes but It seems not to work, hides well but if
I have several tables in my database and want to select a couple columns from a couple tables, which is all fine. Now, there is a 3rd table, and this table has a column that has different text values in it, but the same few "text_values" for dif
I'm looking to compute a column based on two other columns, but I have some special cases where the computation has to take multiple rows into account. Here's the query as it stands now: SELECT UserName , EntryDate , Project , HoursWorked , HoursAvai
I'm writing stored procedure that should search for records base on few procedure arguments. The problem is that not always all arguments have to be passed, sometimes they may be set to NULL. Is there a way to write sth that would work like that? CRE
We're using the new css3 multi-column layout properties to get our text into newspaper columns. Each column gets a fixed width, and the column-count defaults to "auto", which means that the browser decides how many columns there are. How do we g
I am trying to write a query that returns a users profile information, along with a count of occurrences of the user's ID in 2 columns from another table. An example below: TableA userID userName 1 UserA 2 UserB TableB LinkID leadID followID 1 1 2 2
