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What's the difference between including files with JSP include directive, JSP include action and usi
...ty-group> element in the Web application web.xml deployment descriptor. Read more here:
• Configuring Implicit Includes at the Beginning and End of JSPs
• Defining implicit includes
Tag File is an indirect method of content reuse, the way of encapsulating reusable content.
A Tag Fi...
NoSql vs Relational database
...
Documents can be stored in non-relational databases, like CouchDB.
Maybe reading this will help.
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What is InnoDB and MyISAM in MySQL?
...ation to coarser granularity locks) and Oracle-style consistent nonlocking reads increase multi-user concurrency and performance. InnoDB stores user data in clustered indexes to reduce I/O for common queries based on primary keys. To maintain data integrity, InnoDB also supports FOREIGN KEY referent...
How to fetch all Git branches
... oneliner BEFORE git pull --all:
git branch -r | grep -v '\->' | while read remote; do git branch --track "${remote#origin/}" "$remote"; done
TL;DR version
git branch -r | grep -v '\->' | while read remote; do git branch --track "${remote#origin/}" "$remote"; done
git fetch --all
git pull ...
Setting up FTP on Amazon Cloud Server [closed]
... myself and wanted to expand on Jaminto's answer.
I'm assuming that you already have an EC2 instance created and have associated an Elastic IP Address to it.
Step #1: Install vsftpd
SSH to your EC2 server. Type:
> sudo yum install vsftpd
This should install vsftpd.
Step #2: Open up the ...
html onchange event not working
...t doesn't work. I still need to press the submit button to make it work. I read about AJAX and I am thinking to learn about this. Do I still need AJAX to make it work or is simple JavaScript enough? Please help.
...
How to split csv whose columns may contain ,
...leIO.TextFieldParser class. This will handle parsing a delimited file, TextReader or Stream where some fields are enclosed in quotes and some are not.
For example:
using Microsoft.VisualBasic.FileIO;
string csv = "2,1016,7/31/2008 14:22,Geoff Dalgas,6/5/2011 22:21,http://stackoverflow.com,\"Corv...
What is the correct way of using C++11's range-based for?
... copy ctor.
3 X copy ctor.
5 X copy ctor.
7 X copy ctor.
9
As it can be read from the output, copy constructor calls are made during range-based for loop iterations.
This is because we are capturing the elements from the container by value
(the auto x part in for (auto x : v)).
This is ineffici...
Get top 1 row of each group
... (where each could have several numbers). This is where Apply excels. Less reads = less disk access = better performance. Given my experience is with poorly designed non-normalized databases.
– TamusJRoyce
Jun 5 '16 at 17:36
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What is difference between CrudRepository and JpaRepository interfaces in Spring Data JPA?
...o gain more fine-grained control over the methods expose, e.g. to create a ReadOnlyRepository that doesn't include the save(…) and delete(…) methods of CrudRepository.
The solution to both of these downsides is to craft your own base repository interface or even a set of them. In a lot of appl...