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MySql server startup error 'The server quit without updating PID file '
...L documentation:
http://dev.mysql.com/doc/refman/5.5/en/mysql-install-db.html
http://dev.mysql.com/doc/refman/5.5/en/default-privileges.html
For mysql 8.x:
unset TMPDIR
mysqld --initialize-insecure --log-error-verbosity --user=`whoami` --basedir="$(brew --prefix mysql)" --datadir=/usr/local/va...
How to throw std::exceptions with variable messages?
...e problem is quite good described here: boost.org/community/error_handling.html
– Arthur P. Golubev
Aug 3 '17 at 1:06
1
...
Iterating through a JSON object
...t('could not load page, check connection')
# read the response and DECODE
html=response.read().decode('utf8') # new python3 code
# now convert the decoded string into real JSON
loadedjson = json.loads(html)
# print to make sure it worked
print (loadedjson) # works like a charm
# iterate through ...
ASP.NET MVC Ajax Error handling
...always works but not working always in Release configuration & returns html instead anybody have workaround for such case?
– Hitendra
Sep 27 '16 at 13:40
add a comment
...
force browsers to get latest js and css files in asp.net application
... the scripts.
I did this with an extension method, and using it in my CSHTML files. Note: this implementation caches the timestamp for 1 minute so we don't thrash the disk quite so much.
Here is the extension method:
public static class JavascriptExtension {
public static MvcHtmlString Inc...
How to load images dynamically (or lazily) when users scrolls them into view
...;
$(this).removeAttr('data-src');
}
})
})
Sample html code
<div>
<img src="" data-src="pathtoyour/image1.jpg">
<img src="" data-src="pathtoyour/image2.jpg">
<img src="" data-src="pathtoyour/image3.jpg">
</div>
Explained
When the...
How to set default values in Rails?
...
More info here: http://api.rubyonrails.org/classes/ActiveRecord/Migration.html
2. Use a callback
E.G. before_validation_on_create
More info here: http://api.rubyonrails.org/classes/ActiveRecord/Callbacks.html#M002147
sha...
How to do case insensitive string comparison?
...nsensitive comparisons in all languages. i18nguy.com/unicode/turkish-i18n.html
– Samuel Neff
Jan 26 '10 at 16:15
58
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React.js: Identifying different inputs with one onChange handler
...
I suggest sticking to standard HTML attributes like name on input Elements to identify your inputs. Also, you don't need to keep "total" as a separate value in state because it is composable by adding other values in your state:
var Hello = React.createCl...
How to move an iFrame in the DOM without losing its state?
Take a look at this simple HTML:
8 Answers
8
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