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Created by Fang on March 30, 2012 12:15:49 Last update: March 30, 2012 12:15:49
1. mvc:default-servlet-handler Configures a handler for serving static resources by forwarding to the Servlet container's default Servlet. Use of this handler allows using a "/" mapping with the DispatcherServlet while still utilizing the Servlet container to serve static resources. HandlerMapping: org.springframework.web.servlet.handler.SimpleUrlHandlerMapping Handler: org.springframework.web.servlet.handler.SimpleUrlHandlerMapping Attribute Description default-servlet-name The name of the default Servlet to forward to for static resource requests. The handler will try to auto-detect the container's default Servlet at startup time using a list of known names. If the default Servlet cannot be detected because of using an unknown container or because it has been manually configured, the servlet name must be set explicitly. 2. mvc:view-controller Defines a simple Controller that selects a view to render the response. HandlerMapping: org.springframework.web.servlet.handler.SimpleUrlHandlerMapping Handler: org.springframework.web.servlet.mvc.ParameterizableViewController Attribute Description...
Created by woolf on December 29, 2011 11:18:11 Last update: December 29, 2011 11:18:11
Use the expand command to extract files from a .cab file:
expand [-r] source [destination] [-d source.cab ...Option Description [-r] Renames expanded files. [destination] Specifies where files are to be expanded. If source is multiple files and -r is not specified, destination must be a directory. destination can consist of a drive letter and colon, a directory name, a file name, or a combination of any of these. [-d source.cab] Displays a list of files in the source location. Does not expand or extract the files. [-f:files] Specifies the files in a cabinet (.cab) file that you intend to expand. You can use wildcards (* and ?). source.cab Specifies the files to expand. source can consist of a drive letter and colon, a directory...
Created by freyo on April 01, 2011 14:29:25 Last update: June 29, 2011 13:58:27
Start the emulator ( create an AVD if none exists)
$ tools/emulator -avd Simple8Create new project
$ tools/android create project \ > --package co...where " --target 2 " identifies the target platform as displayed by " tools/android list targets ", which is stored in the properties file default.properties in the project root folder. cd HelloWorld and install debug package onto the running emulator:
$ ant install Buildfile: build.xml [set...Launch the Hello World application on the emulator. You'll see something like this: Edit res/values/string.xml , change the contents to:
<?xml version="1.0" encoding="utf-8"?> <resourc...Edit res/layout/main.xml , change the contents to:
<?xml version="1.0" encoding="utf-8"?> <LinearL...The contents of the text area now refer to a string defined in the resource file strings.xml , instead...
Created by freyo on April 12, 2011 15:13:32 Last update: May 03, 2011 15:20:55
Create new project
$ tools/android create project \ > --package co...Edit res/values/string.xml , add strings for the main screen.
<?xml version="1.0" encoding="utf-8"?> <resourc...Add widgets to main layout ( res/layout/main.xml ).
<?xml version="1.0" encoding="utf-8"?> <LinearL...Edit src/com/android/apkinfo/GetAPKPermissions.java and change contents to:
package com.android.apkinfo; import android...Install the debug package to the emulator:
ant installThe screen should look like: Add display permissions activity. Start by creating a new layout res/layout/display_permissions.xml :
<?xml version="1.0" encoding="utf-8"?> <LinearL...Add the strings used by the new Activity ( res/values/strings.xml ):
<?xml version="1.0" encoding="utf-8"?> <resourc...Add the Display Permissions Activity ( src/com/android/apkinfo/DisplayPermissions.java ):
package com.android.apkinfo; import android...Change src/com/android/apkinfo/GetAPKPermissions.java to invoke the Display Permissions Activity:
package com.android.apkinfo; import android...Declare Display Permissions Activity in AndroidManifest.xml :
<?xml version="1.0" encoding="utf-8"?> <manifes......
Created by freyo on April 18, 2011 15:08:21 Last update: April 18, 2011 15:12:20
Generate android project
$ ~/android-sdk-linux_86/tools/android create proj...Create XML file res/xml/books.xml :
<?xml version="1.0"?> <catalog> <book id=...Edit layout ( res/layout/main.xml ):
<?xml version="1.0" encoding="utf-8"?> <Lin...Edit code ( src/com/android/xmlres/XMLResource.java ):
package com.android.xmlres; import java.io....Change activity label from app_name to booklist ( AndroidManifest.xml ):
<?xml version="1.0" encoding="utf-8"?> <manifes...Add value for string resource ( res/values/string.xml ):
<?xml version="1.0" encoding="utf-8"?> <resourc...Deploy and test:
Created by Dr. Xi on January 14, 2010 00:28:27 Last update: March 30, 2011 15:37:44
A task that a Java developer does so frequently is to find out where a certain class can be found - to resolve compilation errors, classpath issues, or version conflicts of the same class introduced by multiple class loaders. A long while back I wrote a simple Perl script to perform the task. Later I was informed that there are Swing based Jar Browser and Jars Browser . Then, there are a couple of shell one-liners:
# one liner 1 find -name "*.jar" -print0 | xarg...But all of them share the same problem: if a class is in a jar nested in another jar, it cannot be found. Such is the case for a class inside a jar under the WEB-INF/lib directory of a...
Created by voodoo on July 11, 2009 15:14:55 Last update: July 29, 2010 22:45:48
cURL is a command line tool for transferring files with URL syntax. The main purpose and use for cURL is to automate unattended file transfers or sequences of operations. It's really easy to see HTTP headers with curl:
C:\>curl --head http://www.google.com HTTP/1.0 ...or, headers and page together (dump headers to stdout):
$ curl --dump-header - http://www.google.com HTTP/...Download openssl from openssl.org:
C:\>curl --help Usage: curl [options...] <url> ...
Created by Fang on April 01, 2010 22:24:58 Last update: April 02, 2010 02:49:38
In this note I'll show you how to create and package a JSP custom tag. The purpose of this tag is to display a random splash image for a home page, among a set of images. We should be able to add or delete candidate splash images from the WAR archive without the need to change the JSP. This is the intended use of the tag:
<%@ taglib uri="http://custom.tag.com/demo" prefix...In the above example you provide a set of images named splash*.png (e.g., splash1.png, spalsh2.png, ...), and the tag will pick a random one to display when the JSP is rendered. Let's get started. I'll use Maven for this purpose. Create the standard Maven directory structure
./pom.xml ./src ./src/main ./src/main/jav...pom.xml
package tagdemo; import java.util.ArrayList......
Created by Dr. Xi on October 06, 2008 18:39:53 Last update: October 06, 2008 18:39:53
Python modules are searched in the list of directories given by the variable sys.path which is initialized from: the directory containing the input script (or the current directory) the list of directories specified by the environment variable PYTHONPATH the installation-dependent default.
peaches@bashful:~/tmp$ export PYTHONPATH=`pwd` ...
Created by Dr. Xi on September 29, 2008 23:05:12 Last update: September 29, 2008 23:06:16
These variables are set or used by the Unix shell to modify its behavior. Variable Description ENV=file Name of script that gets executed at startup; Usually, ENV=$HOME/.kshrc FCEDIT=file Editor used by fc (fix command) command. If $FCEDIT is not defined, use $EDITOR, otherwise use the default (vi or ed). FPATH=dirs Directories to search for function definitions; undefined functions are set via typeset -fu . FPATH is searched when these functions are first referenced. HISTFILE=file File in which to store command history. Default is $HOME/.sh_history for Korn shell, $HOME/.bash_history for Bash. If not set, history is lost after logout. HISTSIZE=n Max number of commands to keep in history. HOME=dir Home directory; set by login from passwd file. IFS='chars' Internal field separators. Default is space, tab, and...