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Created by Dr. Xi on February 13, 2013 19:40:08 Last update: February 13, 2013 19:40:08
According to MSDN : On Windows 7 and on Windows Server 2008 R2 with the Wireless LAN Service installed, the operating system installs a virtual device if a Hosted Network capable wireless adapter is present on the machine. This virtual device normally shows up in the "Network Connections Folder" as "Wireless Network Connection 2" with a Device Name of "Microsoft Virtual WiFi Miniport adapter" if the computer has a single wireless network adapter. This virtual device is used exclusively for performing software access point (SoftAP) connections. The lifetime of this virtual device is tied to the physical wireless adapter. If the physical wireless adapter is disabled, this virtual device will be removed as well. On Windows 7, there's no UI to start or stop SoftAP....
Created by voodoo on September 17, 2012 15:02:15 Last update: September 17, 2012 15:02:15
Start gdb with the executable and coredump:
$ gdb <path to executable> coreWhile in the debugger, use the following commands:
(gdb) where ("shows a summary of the stack") ...Example debug session from Debugging Under Unix: gdb Tutorial : Use backtrace (or bt ) to see the callstack:
(gdb) backtrace #0 Node<int>::next (this=0x0) ...Inspect the value of item_to_remove at address 0xffbef014 (the value is 1):
(gdb) x 0xffbef014 0xffbef014: 0x00000001 (g...Note: The program must be compiled with the debug switch -g in order to see the source code. More resources: Linux software debugging with GDB Debugging with gdb
Created by magnum on September 11, 2012 11:59:43 Last update: September 11, 2012 11:59:43
Exerpt from bash documentation. HISTORY EXPANSION The bash shell supports a history expansion feature that is similar to the history expansion in csh. This feature is enabled by default for interactive shells, and can be disabled using the +H option to the set builtin command. Non-interactive shells do not perform history expansion by default. History expansions introduce words from the history list into the input stream, making it easy to repeat commands, insert the arguments to a previous command into the current input line, or fix errors in previous commands quickly. History expansion is performed immediately after a complete line is read, before the shell breaks it into words. It takes place in two parts. The first is to determine which line from the history...
Created by Fang on December 05, 2011 13:04:11 Last update: December 05, 2011 13:04:11
Facelet requires strict XML syntax, so unmatched tags (start with no end, etc) generate errors. This is a trick to workaround that. The following code generates a row for every three items and for each row assigns a row id:
<!-- using ui:repeat --> <ui:repeat var="name" ...
Created by Dr. Xi on November 11, 2011 10:05:22 Last update: November 11, 2011 10:12:01
This is an HTML image tag filter using Java regex. It takes a string, finds the img tags, replaces the src attribute with one provided by the filter, then adds a class name to the class attribute.
import java.util.regex.*; import java.io.*; ...Test file:
<div id="HTML snippet"> <img src="img/big/txt-m...
Created by Fang on November 10, 2011 09:26:12 Last update: November 10, 2011 09:26:12
Syntax highlighted XML schema for JSF 2.0 Application Configuration Resource File ( faces-config.xml ). Almost 3000 lines!
<?xml version="1.0" encoding="UTF-8"?> <xsd:sch...
Created by freyo on September 09, 2011 11:43:36 Last update: September 09, 2011 11:45:45
When you run automated Android tests with Eclipse or from the command line, you get text output, which isn't good for reporting purposes. If you run a large set of test cases with automated build, the text report isn't very helpful. Fortunately, Android CTS generates test reports in XML with accompanying XSL to make it look nice in a browser. To run your own tests with Android CTS: Download Android CTS Make a new directory MyRepository under android-cts , alongside the existing repository directory. Copy host_config.xml from repository to MyRepository Create directory plans under MyRepository , add a test plan ( MyTests.xml ):
<?xml version="1.0" encoding="UTF-8"?> <TestPla...Create directory testcases under MyRepository . Copy TestDeviceSetup.apk from repository/testcases to MyRepository/testcases Under MyRepository/testcases , create a test...
Created by freyo on August 25, 2011 09:07:40 Last update: August 25, 2011 20:45:43
This is a list of built-in Android permission values: Permission Description Since API Level android.permission.ACCESS_CHECKIN_PROPERTIES Allows read/write access to the "properties" table in the checkin database, to change values that get uploaded. 1 android.permission.ACCESS_COARSE_LOCATION Allows an application to access coarse (e.g., Cell-ID, WiFi) location 1 android.permission.ACCESS_FINE_LOCATION Allows an application to access fine (e.g., GPS) location 1 android.permission.ACCESS_LOCATION_EXTRA_COMMANDS Allows an application to access extra location provider commands 1 android.permission.ACCESS_MOCK_LOCATION Allows an application to create mock location providers for testing 1 android.permission.ACCESS_NETWORK_STATE Allows applications to access information about networks 1 android.permission.ACCESS_SURFACE_FLINGER Allows an application to use SurfaceFlinger's low level features 1 android.permission.ACCESS_WIFI_STATE Allows applications to access information about Wi-Fi networks 1 android.permission.ACCOUNT_MANAGER Allows applications to call into AccountAuthenticators. Only the system can get this permission. 5 android.permission.AUTHENTICATE_ACCOUNTS...
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 magnum on June 23, 2011 13:44:21 Last update: June 23, 2011 13:59:26
Fedora/Redhat List current status (for httpd):
# chkconfig --list httpdWarning: this works only when one of /etc/rc runlevel .d/ K NN name or /etc/rc runlevel .d/ S NN name exists. It exports wrong status when both K and S scripts exist (in which case the status should be enabled). Enable sshd for run levels 2, 3, 5:
# chkconfig --level 2,3,5 sshd onDisable sshd for run levels 2, 3, 5:
# chkconfig --level 2,3,5 sshd offBy default, the on and off options affect only runlevels 2, 3, 4, and 5. Debian/Ubuntu Add apache2 with defaults :
# update-rc.d apache2 defaultsIf defaults is used then update-rc.d will make links to start the service in runlevels 2, 3, 4, 5 and to stop...