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Struggling with NSNumberFormatter in Swift for currency
...dget as well as transactions. I need to allow the user to enter both pence and pounds from separate text fields and they need to be formatted together with currency symbols. I have this working fine at the moment but would like to make it localised as currently it only works with GBP. I have been st...
Where are the PostgreSQL logs on macOS?
...
SELECT
*
FROM
pg_settings
WHERE
category IN( 'Reporting and Logging / Where to Log' , 'File Locations')
ORDER BY
category,
name;
In my case, it's in "/Library/PostgreSQL/8.4/data/pg_log"
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How can I check a C# variable is an empty string “” or null? [duplicate]
...
Very simple and useful. I wish PHP could have something like this
– Andrew Liu
Dec 17 '15 at 5:23
6
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Omit rows containing specific column of NA
...
You could use the complete.cases function and put it into a function thusly:
DF <- data.frame(x = c(1, 2, 3), y = c(0, 10, NA), z=c(NA, 33, 22))
completeFun <- function(data, desiredCols) {
completeVec <- complete.cases(data[, desiredCols])
return(data...
PHP regular expressions: No ending delimiter '^' found in
...n addition, if you're just validating, you don't need the capturing group, and can simplify the regex to /^\d+$/.
Example: http://ideone.com/Ec3zh
See also: PHP - Delimiters
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Ruby: extend self
In Ruby, I understand the basic idea of extend . However, what's happening in this segment of code? Specifically, what does extend do? Is it just a convenient way of making the instance methods into class methods? Why would you do it this way rather than specifying class methods from the beginnin...
How can I get the current language in Django?
...) translation, it's in request.LANGUAGE_CODE."
– Alexander Marquardt
Dec 1 '10 at 18:10
4
That li...
MySQL's now() +1 day
...() + INTERVAL 1 DAY
If you are only interested in the date, not the date and time then you can use CURDATE instead of NOW:
CURDATE() + INTERVAL 1 DAY
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Create an empty data.frame
...hout any rows. Basically, I want to specify the data types for each column and name them, but not have any rows created as a result.
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Formatting a number with leading zeros in PHP [duplicate]
... of what wtf8_decode said; Negative numbers would not have leading zeros, and they are not positive numbers. i.e. 08 would be written as such as a date, or something which expects a positive double digit number (Bank Account sort code etc). Please correct me if I'm wrong, but as far as I know, the...