avoid string printed to console getting truncated (in RStudio)

This is an RStudio-specific feature, intended to help resolve problems where printing overly long strings could cause IDE sluggishness. (I believe it was added with the latest release, v0.99.896) You can opt-out of this truncation by setting the Limit length of lines displayed in the console to: option to 0 (see the final option in … Read more

Removing display of row names from data frame

You have successfully removed the row names. The print.data.frame method just shows the row numbers if no row names are present. df1 <- data.frame(values = rnorm(3), group = letters[1:3], row.names = paste0(“RowName”, 1:3)) print(df1) # values group #RowName1 -1.469809 a #RowName2 -1.164943 b #RowName3 0.899430 c rownames(df1) <- NULL print(df1) # values group #1 -1.469809 … Read more

Controlling number of decimal digits in print output in R

The reason it is only a suggestion is that you could quite easily write a print function that ignored the options value. The built-in printing and formatting functions do use the options value as a default. As to the second question, since R uses finite precision arithmetic, your answers aren’t accurate beyond 15 or 16 … Read more

Alternate output format for psql showing one column per line with column name

I just needed to spend more time staring at the documentation. This command: \x on will do exactly what I wanted. Here is some sample output: select * from dda where u_id=24 and dda_is_deleted=’f’; -[ RECORD 1 ]——+—————————————————————————————————————————————————————————————————————- dda_id | 1121 u_id | 24 ab_id | 10304 dda_type | CHECKING dda_status | PENDING_VERIFICATION dda_is_deleted | … Read more

TypeError: not all arguments converted during string formatting python

You’re mixing different format functions. The old-style % formatting uses % codes for formatting: ‘It will cost $%d dollars.’ % 95 The new-style {} formatting uses {} codes and the .format method ‘It will cost ${0} dollars.’.format(95) Note that with old-style formatting, you have to specify multiple arguments using a tuple: ‘%d days and %d … Read more

Alternate output format for psql

I just needed to spend more time staring at the documentation. This command: \x on will do exactly what I wanted. Here is some sample output: select * from dda where u_id=24 and dda_is_deleted=’f’; -[ RECORD 1 ]——+—————————————————————————————————————————————————————————————————————- dda_id | 1121 u_id | 24 ab_id | 10304 dda_type | CHECKING dda_status | PENDING_VERIFICATION dda_is_deleted | … Read more

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)