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Jackson how to transform JsonNode to ArrayNode without casting?
...you will notice that JsonNode has most of the functions that you would typically associate with array nodes from other API's. As such, you do not need to cast to an ArrayNode to use. Here's an example:
JSON:
{
"objects" : ["One", "Two", "Three"]
}
Code:
final String json = "{\"objects\" : [...
SQL Group By with an Order By
...r to version 5 did not allow aggregate functions in ORDER BY clauses.
You can get around this limit with the deprecated syntax:
SELECT COUNT(id), `Tag` from `images-tags`
GROUP BY `Tag`
ORDER BY 1 DESC
LIMIT 20
1, since it's the first column you want to group on.
...
UITableView, Separator color where to set?
...y way I could find to do this was to add the method to one of the delegate callbacks, is there a better place I should put this?
...
How to compare times in Python?
I see that date comparisons can be done and there's also datetime.timedelta() , but I'm struggling to find out how to check if the current time ( datetime.datetime.now() ) is earlier, later or the same than a specified time (e.g. 8am) regardless of the date.
...
What is the difference between Spring's GA, RC and M2 releases?
...lity (a release); should be very stable and feature complete
RC = Release candidate; probably feature complete and should be pretty stable - problems should be relatively rare and minor, but worth reporting to try to get them fixed for release.
M = Milestone build - probably not feature complete; ...
Is it possible to adjust x,y position for titleLabel of UIButton?
...Alignment:UIControlContentHorizontalAlignmentLeft];
[button setContentVerticalAlignment:UIControlContentVerticalAlignmentTop];
//move text 10 pixels down and right
[button setTitleEdgeInsets:UIEdgeInsetsMake(10.0f, 10.0f, 0.0f, 0.0f)];
And in Swift
//make the buttons content appear in the top-le...
What is the difference between gsub and sub methods for Ruby Strings
...'ve been using :gsub and it appears that they are essentially the same. Can anyone explain the difference to me? Thanks!
...
Spring 3 MVC accessing HttpRequest from controller
...uest,
HttpServletResponse response) {
// ...
// Here you can use the request and response objects like:
// response.setContentType("application/pdf");
// response.getOutputStream().write(...);
}
As you see, simply adding the HttpServletRequest and HttpServletResponse obj...
how to hide a vertical scroll bar when not needed
...wanted to use opacity without changing the border.
There is a visible vertical scroll bar how I only want this displayed when I am typing in the text field and it goes beyond the container. I have tried overflow: auto; but does not work.
...
Update a column value, replacing part of a string
...
@GuyCohen Because otherwise the query will modify every single row in the table. The WHERE clause optimizes the query to only modify the rows with certain URL. Logically, the result will be the same, but the addition of WHERE will make t...