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Design Patterns web based applications [closed]
...hich contains the data (information). The View is to be represented by JSP files which have direct access to the (Data) Model by EL (Expression Language).
Then, there are variations based on how actions and events are handled. The popular ones are:
Request (action) based MVC: this is the simplest t...
Restarting cron after changing crontab file?
Do I have to restart cron after changing the crontable file?
11 Answers
11
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Lost connection to MySQL server at 'reading initial communication packet', system error: 0
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Open mysql configuration file named my.cnf and try to find "bind-address", here replace the setting (127.0.0.1 OR localhost) with your live server ip (the ip you are using in mysql_connect function)
This will solve the problem definitely.
Thanks
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Run automatically program on startup under linux ubuntu [closed]
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sudo mv /filename /etc/init.d/
sudo chmod +x /etc/init.d/filename
sudo update-rc.d filename defaults
Script should now start on boot. Note that this method also works with both hard links and symbolic links (ln).
Edit
At this point...
What are forward declarations in C++?
At: http://www.learncpp.com/cpp-tutorial/19-header-files/
8 Answers
8
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How to automatically start a service when running a docker container?
I have a Dockerfile to install MySQL server in a container, which I then start like this:
11 Answers
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How to specify JVM maximum heap size “-Xmx” for running an application with “run” action in SBT?
... ++ Seq("-Xmx512m")
override def scalaJars = Seq(buildLibraryJar.asFile, buildCompilerJar.asFile)
})
}
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Why can't Python find shared objects that are in directories in sys.path?
...Y_PATH, use one of the following, ideally in your ~/.bashrc
or equivalent file:
export LD_LIBRARY_PATH=/usr/local/lib
or
export LD_LIBRARY_PATH=/usr/local/lib:$LD_LIBRARY_PATH
Use the first form if it's empty (equivalent to the empty string, or not present at all), and the second form if it i...
Difference between Hive internal tables and external tables?
... database(this allows hive to use lists of partitions without going to the file-system and finding them, etc). These sorts of things are the 'metadata'.
When you drop an internal table, it drops the data, and it also drops the metadata.
When you drop an external table, it only drops the meta data....
How to extract text from a PDF? [closed]
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I was given a 400 page pdf file with a table of data that I had to import - luckily no images. Ghostscript worked for me:
gswin64c -sDEVICE=txtwrite -o output.txt input.pdf
The output file was split into pages with headers, etc., but it was then eas...