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MySQL table is marked as crashed and last (automatic?) repair failed
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search for it with this command grep -r datadir /etc/mysql/. Should be /var/lib/mysql under debian and ubuntu.
– ThorstenS
Feb 10 '16 at 6:30
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MySQL - Using COUNT(*) in the WHERE clause
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There can't be aggregate functions (Ex. COUNT, MAX, etc.) in A WHERE clause. Hence we use the HAVING clause instead. Therefore the whole query would be similar to this:
SELECT column_name, aggregate_function(column_name)
FROM table_name
WHERE column_name operator value
GROUP ...
LINQ with groupby and count
...ss that looks like
class UserInfo {
string name;
int metric;
..etc..
}
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List<UserInfo> data = ..... ;
When you do data.GroupBy(x => x.metric), it means "for each element x in the IEnumerable defined by data, calculate it's .metric, then group all the elements with the same ...
Getting all file names from a folder using C# [duplicate]
...re info about each file, such as filename, extension, size, modified time, etc.
– Pona
Dec 16 '18 at 19:29
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Get UIScrollView to scroll to the top
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UPDATE FOR iOS 7
[self.scrollView setContentOffset:
CGPointMake(0, -self.scrollView.contentInset.top) animated:YES];
ORIGINAL
[self.scrollView setContentOffset:CGPointZero animated:YES];
or if you want to preserve the horizontal scroll position and ju...
how to check and set max_allowed_packet mysql variable [duplicate]
...afe] (which is default settings came with the mysql installation) mode in /etc/my.cnf, it did no work. I did not dig into the problem. But after I change it to [mysqld] and restarted the mysqld, it worked.
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SOAP vs REST (differences)
...only support XML, but REST supports different format like text, JSON, XML, etc. And we already know, if we use Json then definitely we will be in better place regarding payload.
Now, SOAP supports the only XML, but it also has its advantages.
Really! How?
SOAP relies on XML in three ways
Envelo...
Converting a Date object to a calendar object [duplicate]
... of the day. Cute way to (attempt to) do it, although set(HOUR_OF_DAY, 0) etc. is better.
– Andy
Sep 30 '13 at 18:10
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How to automatically indent source code?
...low or the whole block of code (whole function, whole cycle, whole switch, etc.), so that it knows how to indent.
Like for example if you copy/paste something into a case statement of a switch and it has wrong indentation, you need to select the text + the line with the case statement above to get ...
How to force a WPF binding to refresh?
...a serial port, and want to check whether it's open, closed, the baud rate, etc you can create a wrapper class around the serial port that implements INotifyPropertyChanged, but you will have to keep the port private to that wrapper and thus need to write a property and method for everything on that ...