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Why are joins bad when considering scalability?
...s certainly not just to store structured data (you could do that with flat file constructs like csv or xml). A few of the options I listed will even let you completely build your join in advance, so the results are already done before you issue the query — just as if you had denormalized the data ...
How to find the mysql data directory from command line in windows
...nux, but you see the mysql installation is using multiple folders to store files.
If you need the value of datadir as output, and only that, without column headers etc, but you don't have a GNU environment (awk|grep|sed ...) then use the following command line:
mysql -s -N -uUSER -p information_...
Short description of the scoping rules?
...r to outer
Global (module) — Names assigned at the top-level of a module file, or by executing a global statement in a def within the file
Built-in (Python) — Names preassigned in the built-in names module: open, range, SyntaxError, etc
So, in the case of
code1
class Foo:
code2
def sp...
How to store date/time and timestamps in UTC time zone with JPA and Hibernate
... Oh, just now I realized the name and picture are the same in your profile and those articles... Good job Vlad :)
– Dinei
May 5 '17 at 15:09
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What is the Windows version of cron? [closed]
...-59)
2 Hour (2-24)
3 Day of month (1-31)
4 Month (1-12, Jan, Feb, etc)
5 Day of week (0-6) 0 = Sunday, 1 = Monday etc or Sun, Mon, etc)
6 User that the command will run as
7 Command to execute
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What reference do I need to use Microsoft.Office.Interop.Excel in .NET?
I am interested in using C# to manipulate/Automate Excel files.
15 Answers
15
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How to disable the highlight control state of a UIButton?
...er {
self.btnImage.highlighted = NO;
NSLog(@"selfDismiss");
etc, etc, etc.
}
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“From View Controller” disappears using UIViewControllerContextTransitioning
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I was having the same problem here – looks like a bug in iOS 8. I've filed a radar.
I used Reveal to inspect the view hierarchy after the screen goes black. The key UIWindow is completely empty – no view hierarchy at all!
I played around a bit and it looks like there is an easy workarou...
How to pass a view's onClick event to its parent on Android?
...xtView create click issues, than remove android:inputType="" from your xml file.
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How to create border in UIButton?
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Its very simple, just add the quartzCore header in your file(for that you have to add the quartz framework to your project)
and then do this
[[button layer] setCornerRadius:8.0f];
[[button layer] setMasksToBounds:YES];
[[button layer] setBorderWidth:1.0f];
you can change the...