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Multiple Indexes vs Multi-Column Indexes
... helps your data insert at the end of the index and not cause lots of disk IO and Page splits.
Secondly, if you are creating other indexes on your data and they are constructed cleverly they will be reused.
e.g. imagine you search a table on three columns
state, county, zip.
you sometimes sea...
Using GZIP compression with Spring Boot/MVC/JavaConfig with RESTful
We use Spring Boot/MVC with annotation-based java-config for series of RESTful services and we want to selectively enable HTTP GZIP stream compression on some API responses.
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Use HTML5 to resize an image before upload
I have found a few different posts and even questions on stackoverflow answering this question. I am basically implementing this same thing as this post .
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Read/write to Windows registry using Java
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I know this question is old, but it is the first search result on google to "java read/write to registry". Recently I found this amazing piece of code which:
Can read/write to ANY part of the registry.
DOES NOT USE JNI.
DOES NOT USE ANY 3...
Which iomanip manipulators are 'sticky'?
...rectly assumed std::setw() would affect the stringstream for every insertion, until I changed it explicitly. However, it is always unset after the insertion.
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Stopping python using ctrl+c
...on program is running will cause python to raise a KeyboardInterrupt exception. It's likely that a program that makes lots of HTTP requests will have lots of exception handling code. If the except part of the try-except block doesn't specify which exceptions it should catch, it will catch all exce...
What is the difference between max-device-width and max-width for mobile web?
...dth for development, although max-device-width is more accurate for production.
– John Magnolia
Mar 24 '13 at 20:15
31
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How to create a zip file in Java
...try e = new ZipEntry("folderName/mytext.txt");
You can find more information about compression with Java here.
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Access data in package subdirectory
...Right now I have the paths to the files hardcoded into my classes and functions. I would like to write more robust code that can access the subdirectory regardless of where it is installed on the user's system.
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sql primary key and index
...r doesn't indicate that the PK index doesn't also already exist.
The additional index does no good, but the only harm (very small) is the additional file size and row-creation overhead.
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