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Any reason to clean up unused imports in Java, other than reducing clutter?
...
Another way to get to it the organize imports action is by clicking ctrl+3 (at least on windwos) and then typing imports. It is obviously slower then ctrl+shift+O but its a way to quickly find it (and many other actions that you either remeber or are just trying to find) even if y...
How do I make my GUI behave well when Windows font scaling is greater than 100%
...rm scaling has a glitch. These glitches are not always and only triggered by a DPI value other than 96. I have been unable to determine a complete list of other things, that includes Windows XP font size changes. But since most of these glitches appear only in my own applications, in fairly com...
Create request with POST, which response codes 200 or 201 and content
... in one or more new resources being created. The primary resource created by the request is identified by either a Location header field in the response or, if no Location field is received, by the effective request URI.
This means that you would include a Location in the response header that giv...
How many database indexes is too many?
...(potentially) speed the SELECT statements up.
If the table is heavily hit by UPDATEs, INSERTs + DELETEs ... these will be very slow with lots of indexes since they all need to be modified each time one of these operations takes place
Having said that, you can clearly add a lot of pointless indexes...
Rails 3: Get Random Record
...e id >= trunc(
random() * (select max(id) from my_table) + 1
)
order by id
limit 1;
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How to delete an app from iTunesConnect / App Store Connect
I submitted a brand new app to AppStore and it got rejected by the Lords ... (nothing new there). What I want to do is delete that app completely from my itunesconnect account. I don't know what apple recently changed but in the past once the app was rejected I use to see a "delete" button on the su...
How can I implement an Access Control List in my Web MVC application?
...ample, you can think of "authentication" as service, which can be provided by your own, or some external code. Also "mail sender" would be a service, which might knit together some domain object with a PHPMailer or SwiftMailer, or your own mail-sender component.
Another source of services are abstr...
What is the best way to compare floats for almost-equality in Python?
...(a), abs(b)), abs_tol)
rel_tol is a relative tolerance, it is multiplied by the greater of the magnitudes of the two arguments; as the values get larger, so does the allowed difference between them while still considering them equal.
abs_tol is an absolute tolerance that is applied as-is in all c...
Does deleting a branch in git remove it from the history?
...ee, it is a very different structure from svn where all branches and tags (by convention) live in separate 'folders' of the repository alongside the special 'trunk'.
If the branch was merged into another branch before it was deleted then all of the commits will still be reachable from the other bra...
Are Roslyn SyntaxNodes reused?
...p from a node in the tree to a character offset in the text.
Persistent.
By persistence I mean the ability to reuse most of the existing nodes in the tree when an edit is made to the text buffer. Since the nodes are immutable, there's no barrier to reusing them. We need this for performance; we ca...