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Programmatically shut down Spring Boot application
... What VM are you referring to in your last line? If you're starting your Spring Boot application with SpringApplication.run(MyApplication.class, args), then there is no parent context. There's only one context, the context created and returned by run, which you then immediately close...
Pretty graphs and charts in Python [closed]
...bout "complicated" and simple examples - this blog post helped me a lot to start with matplotlib: shreevatsa.wordpress.com/2010/03/07/matplotlib-tutorial
– Timur
Apr 12 '12 at 20:15
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Display help message with python argparse when script is called without any arguments
...umentParser()
#parser.add_args here
#sys.argv includes a list of elements starting with the program
if len(sys.argv) < 2:
parser.print_usage()
sys.exit(1)
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ALTER DATABASE failed because a lock could not be placed on database
I need to restart a database because some processes are not working. My plan is to take it offline and back online again.
1...
How to enable MySQL Query Log?
...shows how to enable, disable and to see the logs on live servers without restarting.
Log all queries in mysql
Here is a summary:
If you don't want or cannot restart the MySQL server you can proceed like this on your running server:
Create your log tables (see answer)
Enable Query logging on t...
Swift to Objective-C header not created in Xcode 6
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Also, if your project module name starts with a number, it should also be replaced with an underscore. "1st Project" will be "_st_Project-Swift.h"
– Danation
Mar 18 '15 at 20:20
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CGridCellNumeric - A numeric cell class for the MFC Grid - C/C++ - 清泛网 - 专注IT技能提升
...ng GridCellNumeric files already there. I used those existing files as the starting point for this code.
To add a CGridCellNumeric cell to the grid, simply add it as you would any other cell type:
m_Grid.SetCellType(1,1, RUNTIME_CLASS(CGridCellNumeric));
and you are ready to go. To set the opti...
Quick Sort Vs Merge Sort [duplicate]
... at how quicksort works, it effectively grows several "lists" from defined starting points within an array. (Heapsort OTOH does require O(1) random access.)
– j_random_hacker
Jul 15 '12 at 4:36
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How to convert all tables from MyISAM into InnoDB?
...;?php
// connect your database here first
//
// Actual code starts here
$sql = "SELECT TABLE_NAME FROM INFORMATION_SCHEMA.TABLES
WHERE TABLE_SCHEMA = 'your_database_name'
AND ENGINE = 'MyISAM'";
$rs = mysql_query($sql);
while($row = mysql_fetch_array($...
Check image width and height before upload with Javascript
.../ Do something with the width and height
}
// Setting the source makes it start downloading and eventually call `onload`
img.src = "http://your.website.com/userUploadedImage.jpg";
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