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Get top n records for each group of grouped results
...as able to delete JOIN (SELECT @prev := NULL, @rn := 0) AS vars. I get the idea is to declare empty variables, but it seems extraneous for MySql.
– Joseph Cho
Jun 6 '18 at 18:42
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How to define optional methods in Swift protocol?
...ur API design with 'throws' where it's in fact not needed. I like more the idea of "micro protocols". E.g. each method confirms to one protocol and then you can check for: if object is protocol
– Darko
Jun 9 '16 at 21:28
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Sending Email in Android using JavaMail API without using the default/built-in app
...those complaining/asking about how to get user's password - that's not the idea here. This is meant to be used with your (developer's) e-mail account. If you want to rely on user's e-mail account you should use the e-mail intent, which is widely discussed in other posts.
– To...
How to delete a record in Django models?
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Vineeth, good idea pasting official doc. I appreciate it. Here is the latest version docs.djangoproject.com/en/3.1/ref/models/instances/…
– Wilfredo
Aug 13 at 3:02
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Python non-greedy regexes
...t is the most used multi-character delimiter, but it is nevertheless a bad idea. This is because, while it does match any amount of repetition for that character, "any" includes 0, which is usually something you want to throw a syntax error for, not accept. Instead, I suggest using the + sign, which...
Auto Resize Image in CSS FlexBox Layout and keeping Aspect Ratio?
...er resulted in a flex inside a flex, finally working as COLUMNS.
I have no idea what you wanted to accomplish, and how you came up with that code, but I'm guessing what you want is this.
I added display: flex to the cells too, so the image gets centered (I think display: table could have been used ...
Best Practice: Initialize JUnit class fields in setUp() or at declaration?
...standard, I hadn't thought about that. I tend to agree with Moss Collum's idea of a coding standard more though.
– Craig P. Motlin
Feb 9 '09 at 17:39
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Interface or an Abstract Class: which one to use?
... be extended. I personally don't like the abstract implements an interface idea because it contributes to code obfuscation and is less direct, IMO.
– Prefix
Oct 29 '14 at 15:23
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Visual Studio build fails: unable to copy exe-file from obj\debug to bin\debug
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That is one crazy idea, I'll give you that ;) What's even crazier, is that it actually seems to work! I have tested this several times now, and I can confirm that when using an assembly version such as "2.0.*" I get the error, but when I inste...
How to use R's ellipsis feature when writing your own function?
...or operation (as in your example of c() or data.frame()). It's not a good idea to use the ... when you know each parameter in advance, however, as it adds some ambiguity and further complication to the argument string (and makes the function signature unclear to any other user). The argument list ...