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How can I tell when a MySQL table was last updated?
... Checksum | Create_options | Comment |
As you can see there is a column called: "Update_time" that shows you the last update time for your_table.
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When increasing the size of VARCHAR column on a large table could there be any problems?
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All went fine with this. No problems.
– Paul T Davies
Sep 23 '11 at 15:46
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Restarting cron after changing crontab file?
... the cron man page:
...cron will then examine the modification time on all crontabs
and reload those which have changed. Thus cron need not be restarted
whenever a crontab file is modified
But if you just want to make sure its done anyway,
sudo service cron reload
or
/etc/init.d...
How to construct a timedelta object from a simple string
...on, without having to resort to external libraries such as dateutil or manually parsing the input, is to use datetime's powerful strptime string parsing method.
from datetime import datetime, timedelta
# we specify the input and the format...
t = datetime.strptime("05:20:25","%H:%M:%S")
# ...and us...
C++, variable declaration in 'if' expression
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As of C++17 what you were trying to do is finally possible:
if (int a = Func1(), b = Func2(); a && b)
{
// Do stuff with a and b.
}
Note the use of ; of instead of , to separate the declaration and the actual condition.
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How do I convert struct System.Byte byte[] to a System.IO.Stream object in C#?
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This is the best answer. It's concise and covers all the practical applications. There's a gotcha with just using the byte array based constructor as indicated here--the resulting stream is not re-sizable.
– Jduv
Jul 19 '12 at 3:56
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Gulp.js task, return on src?
...nt it doesn't address why there are many examples out there of tasks that call gulp.src(... but don't return it.
– Mark Amery
Apr 17 '15 at 11:13
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Making interface implementations async
I’m currently trying to make my application using some Async methods.
All my IO is done through explicit implementations of an interface and I am a bit confused about how to make the operations async.
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Animate scroll to ID on page load
...into view on page load, but had two issues: a) using "html,body" gave two callbacks (one for each matched element). b) It depends on browser which of body or html works. So I made a gist which you can adapt to use in your project to ensure scroll-into-view works on "any" browser and that you will on...
How do you use NSAttributedString?
... string:
NSMutableAttributedString * string = [[NSMutableAttributedString alloc] initWithString:@"firstsecondthird"];
[string addAttribute:NSForegroundColorAttributeName value:[UIColor redColor] range:NSMakeRange(0,5)];
[string addAttribute:NSForegroundColorAttributeName value:[UIColor greenColor] ...