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How to avoid the “divide by zero” error in SQL?
... a much nicer way of doing it:
Select dividend / NULLIF(divisor, 0) ...
Now the only problem is to remember the NullIf bit, if I use the "/" key.
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How to get a list of MySQL views?
...db_name';
is better work directly with information_schema.VIEWS (observe now is VIEWS and not TABLES anymore), thus you can retrieve more data, use DESC VIEWS for more details:
+----------------------+---------------------------------+------+-----+---------+-------+
| Field | Type ...
Convert character to ASCII numeric value in java
...; // This gives the character 'a'
int ascii = (int) character; // ascii is now 97.
Though cast is not required explicitly, but its improves readability.
int ascii = character; // Even this will do the trick.
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Where does Visual Studio look for C++ header files?
...about what the kind of curiosity I had: I found that the MSDN didn't even knows it's own header names! I.e. they referred to Iphlpapi.h, but such a file not exist, it's name is rather iphlpapi.h, either IPHlpApi.h(both are there)! lol
– Hi-Angel
Sep 3 '14 at 8:...
Replacing all non-alphanumeric characters with empty strings
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@William -- it's unfortunate that PHP is now getting credit for PCRE
– Thomas Dignan
Feb 11 '13 at 3:10
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Replace all 0 values to NA
...e number of elements so that there can be no "holes" (i.e., NULL values).
Now you could replace zeroes by NULL in a data frame in the sense of completely removing all the rows containing at least one zero. When using, e.g., var, cov, or cor, that is actually equivalent to first replacing zeroes wit...
How do I convert a string to enum in TypeScript?
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typedColorString = Color["Black"]; now returns error TS7015: Element implicitly has an 'any' type because index expression is not of type 'number'
– Dominik
Sep 9 '19 at 17:27
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Spring Boot Remove Whitelabel Error Page
...but then I tried simply @Autowiring it, and it works. What I went with for now: gist.github.com/jonikarppinen/662c38fb57a23de61c8b
– Jonik
Feb 20 '15 at 15:09
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Making a mocked method return an argument that was passed to it
....get(key);
}
}
return null;
}
});
We can now run our tests on this mock. For example:
String name = "room";
Room room = new Room(name);
roomService.persist(room);
assertThat(roomService.findByName(name), equalTo(room));
assertNull(roomService.findByName("none"));
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Flexbox Not Centering Vertically in IE
...ack: center;
min-height: 220px;
height:100px;
}
So now we have height style, but the min-height will overwrite it. That way ie is happy and we still can use min-height.
Hope this is helpful for someone.
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