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How to upload files to server using JSP/Servlet?
....xml file:
http://joseluisbz.wordpress.com/2014/01/17/manually-installing-php-tomcat-and-httpd-lounge/#Enabling%20File%20Uploads.
<servlet>
<servlet-name>jsp</servlet-name>
<servlet-class>org.apache.jasper.servlet.JspServlet</servlet-class>
<multipart-c...
PostgreSQL: Difference between text and varchar (character varying)
...ength array).
Check this article from Depesz: http://www.depesz.com/index.php/2010/03/02/charx-vs-varcharx-vs-varchar-vs-text/
A couple of highlights:
To sum it all up:
char(n) – takes too much space when dealing with values shorter than n (pads them to n), and can lead to subtle err...
What is Java Servlet?
...b server inside the web server itself. If you want something looking like PHP or ASP you need JSPs (which are a special kind of servlets)
– Thorbjørn Ravn Andersen
Aug 27 '11 at 10:20
...
What data type to use for hashed password field and what length?
...a key-strengthening hash algorithm like Bcrypt or Argon2i. For example, in PHP, use the password_hash() function, which uses Bcrypt by default.
$hash = password_hash("rasmuslerdorf", PASSWORD_DEFAULT);
The result is a 60-character string similar to the following (but the digits will vary, because...
How to call an external command?
...at you want in a CGI script. The problem is not specific to Python; in the PHP community the problems are the same.
The solution is to pass DETACHED_PROCESS Process Creation Flag to the underlying CreateProcess function in Windows API.
If you happen to have installed pywin32, you can import the fla...
What is unit testing and how do you do it? [duplicate]
...is a good introduction to the what and the how
http://www.nunit.org/index.php?p=quickStart&r=2.5
Is everything testable? Generally if it calculates something then yes. UI code is a whole other problem to deal with though, as simulating users clicking on buttons is tricky.
What should you test...
Is multiplication and division using shift operators in C actually faster?
...with the core i7:
(from http://software.intel.com/en-us/forums/showthread.php?t=61481)
The latency is 1 cycle for an integer addition and 3 cycles for an integer multiplication. You can find the latencies and thoughput in Appendix C of the "Intel® 64 and IA-32 Architectures Optimization Refere...
What is the difference between native code, machine code and assembly code?
...ictly speaking, most dynamically-typed languages — such as Perl, Python, PHP and Ruby — are also managed code. However, they are not commonly described as such, which shows that managed code is actually somewhat of a marketing term for the really big, serious, commercial programming environments...
How to get the result of OnPostExecute() to main activity because AsyncTask is a separate class?
...g receivedData = new AsyncTask().execute("http://yourdomain.com/yourscript.php").get();
}
catch (ExecutionException | InterruptedException ei) {
ei.printStackTrace();
}
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What is in your .vimrc? [closed]
...
Refer to this script (vim.org/scripts/script.php?script_id=1349) to get the available colors. May need to turn on 256 color support for vim to get a wider variety.
– Brian Wigginton
Dec 13 '10 at 6:33
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