Workaround in mysql for partial Index or filtered Index?

Filtered indexes could be emulated with function indexes and CASE expression(MySQL 8.0.13 and newer): CREATE TABLE t(id INT PRIMARY KEY, myColumn VARCHAR(100)); — NULL are not taken into account with `UNIQUE` indexes CREATE UNIQUE INDEX myIndex ON t((CASE WHEN myColumn <> ‘myText’ THEN myColumn END)); — inserting excluded value twice INSERT INTO t(id, myColumn) VALUES(1, … Read more

Is there an alternative to Partial to accept only fields from another type and nothing else?

What you really want is called exact types, where something like “Exact<Partial<A>>” would prevent excess properties in all circumstances. But TypeScript does not directly support exact types (at least not as of TS3.5) so there’s no good way to represent Exact<> as a concrete type. You can simulate exact types as a generic constraint, meaning … Read more

View PDF as part of the page

Why don’t you try using iframe like this : <iframe src=”https://stackoverflow.com/questions/6439634/even file stream action url”></iframe> I suggest to use object tag if it’s possible, use iframe just for testing. If you want to render PDF as part of the page as you just did src=”https://stackoverflow.com/questions/6439634/<% Html.RenderAction(“GetPDF”); %>” Then this is your option If you need … Read more

Download file using partial download (HTTP)

It is possible to do partial download using the range header, the following will request a selected range of bytes: req = urllib2.Request(‘http://www.python.org/’) req.headers[‘Range’] = ‘bytes=%s-%s’ % (start, end) f = urllib2.urlopen(req) For example: >>> req = urllib2.Request(‘http://www.python.org/’) >>> req.headers[‘Range’] = ‘bytes=%s-%s’ % (100, 150) >>> f = urllib2.urlopen(req) >>> f.read() ‘l1-transitional.dtd”>\n\n\n<html xmlns=”http://www.w3.’ Using this … Read more

jQuery: Finding partial class name [duplicate]

Original Answer You can do some simple partial checking with $(‘[class^=”value”]’) <– starts with string $(‘[class$=”value”]’) <– ends with string $(‘[class~=”value”]’) <– I believe this is the contains string version $(‘[class*=”value”]’) <– is what you would use to match an element containing the given substring Additional Information You can reference https://api.jquery.com/category/selectors/ for some documentation on … Read more

Create new column in dataframe based on partial string matching other column

Since you have only two conditions, you can use a nested ifelse: #random data; it wasn’t easy to copy-paste yours DF <- data.frame(GL = sample(10), GLDESC = paste(sample(letters, 10), c(“gas”, “payroll12”, “GaSer”, “asdf”, “qweaa”, “PayROll-12”, “asdfg”, “GAS–2”, “fghfgh”, “qweee”), sample(letters, 10), sep = ” “)) DF$KIND <- ifelse(grepl(“gas”, DF$GLDESC, ignore.case = T), “Materials”, ifelse(grepl(“payroll”, DF$GLDESC, … Read more