大约有 30,000 项符合查询结果(耗时:0.0379秒) [XML]
Git push branch from one remote to another?
... single-quotes until an edit about 1 year prior to your comment. So at the time this answer was written it was actually different in a rather relevant way.
– 0xC0000022L
Sep 15 at 12:44
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Difference between a theta join, equijoin and natural join
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@Pacerier: erm, because I don't know what it is! Last time I looked, the SQL Standard avoided defining what it is. I do know what it is not (not a relation, not a set, not a table, not a table expression). So for ease of reference I employed my own term, 'resultset'. Note that i...
Take a char input from the Scanner
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You can solve this problem, of "grabbing keyboard input one char at a time" very simply. Without having to use a Scanner all and also not clearing the input buffer as a side effect, by using this.
char c = (char)System.in.read();
If all you need is the same functionality as the C language "...
Repeat a task with a time delay?
...sk() had to be called from the onCreate method /UI thread (it took me some time to realise this!), perhaps this point could have been mentioned somewhere. Regards
– gkris
Aug 21 '12 at 21:28
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When maven says “resolution will not be reattempted until the update interval of MyRepo has elapsed”
...corresponding failed to download artifact directory in my local repo. Next time I run the maven command the artifact download is triggered again. Therefore I'd say it's a client side setting.
Nexus side (server repo side), this issue is solved configuring a scheduled task.
Client side, this is don...
Emacs bulk indent for Python
...can save a couple of keystrokes. Or you can do C-u 10 C-x e to apply it 10 times.
(I know it doesn't sound like much, but try re-indenting 100 lines of garbage literal without missing down-arrow, and then having to go up 5 lines and repeat things ;) ).
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C++ IDE for Linux? [closed]
...o Linux and the first thing I did was try to find a reasonable IDE. At the time this was impossible: no good IDE existed.
Epiphany: UNIX is an IDE. All of it.1
And then I realised that the IDE in Linux is the command line with its tools:
First you set up your shell
Bash, in my case, but many p...
Get top 1 row of each group
... I could upvote more than once. I have returned to this answer about 7.000 times already. There might come a day, when I take the time to understand this, so I wouldn't have to come back. But it is not this day.
– mpn275
Sep 9 at 9:56
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How should one use std::optional?
...mple. Performance shouldn't really be a concern when using it - there are times when something is optional, in which case this is often the correct tool for the job.
– Timothy Shields
Jun 27 '13 at 1:55
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What is the difference between partitioning and bucketing a table in Hive ?
...n the world are about 300, so cardinality would be ~300. For a field like 'timestamp_ms', which changes every millisecond, cardinality can be billions. In general, when choosing a field for partitioning, it should not have a high cardinality, because you'll end up with way too many directories in yo...
