Thursday, July 29, 2010

New version of GPL may change

IDG news exclusively for this newspaper the Free Software Foundation founder Richard Stallman has said that the upcoming GNU General Public License (General Public License, referred to as GPL) may have some modifications, including software for Web applications and software patent issues in the some modifications.

Stallman said, GPL3 introduced a change in the company's use of GPL software may be involved in providing online services, this new provision may allow developers to request users to download their software online using the source code. It requires the user to do so by the developers discretion, Stallman said: "This provision does not apply to all GPL projects, only those projects have included the establishment of such provisions, the future of software developers to activate this provision."

Another new provision might be involved in the controversial software patents. Stallman said: "While it is not clear how the GPL3 specific provisions, but the implied license terms will only involve the publisher released the code to use the patented technology, it will not change much."

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Thursday, July 22, 2010

IC card reading and writing in PowerBulider

Writing-related information management systems, sometimes meet reading and writing-related issues such as external devices, such problems in achieving this kind of functionality PowerBulider is not a difficult task, the relevant external equipment vendors now offer products in basic programming interfaces are provided relevant, after use of these ActiveX controls interface functions, combined with the external function call PowerBulider, can easily achieve the relevant functions to provide read and write IC cards to achieve the following basic code in order to eliminate staff time related to programming external device to write on issues such as fear of
External function declaration:
Subroutine PostPara (long prot, strig syspara) library "lock739.dll" / / pass parameters, the main pass serial information
Function long Reset () library "lock739.dll" / / write reset
Function Boolean OpenCom () library "lock739.dll" / / Open the serial port
Subroutine CloseCom () library "lock739.dll" / / close serial port
Function long ChkCard () library "lock739.dll" / / check card is in place
Function long CmpSc (string sc) library "lock739.dll" / / check password
Function long WriteSc (string sc) library "lock739.dll" / / modify the password encryption card
Function long ReadSc (string inbuff, long sclen) library "lock739.dll" / / degree curve encryption card password
Function long RdDat (long cardtype, long start, long ilen, ref string inbuff) library "lock739.dll" / / reader information
Function long WrDat (long cardtype, long start, long ilen, ref string outbuff) library "lock739.dll" / / write card information
Instance variables:
public string sc = '272272272 '
Write Card function: wf_write (string as_arg1, long al_start, long al_len)
/ * Write the string parameter string as_arg1;
long al_start write position
long al_len write the length of the * /
long l_rtn
if opencom () = false then
messagebox ("prompt", "serial connection failed")
end if
l_rtn = chkcard ()
if l_rtn <> 0 then
wf_errormessage (l_rtn)
closecom ()
end if
l_rtn = cmpsc (sc) / / sc for the password
if l_rtn <> 0 then
wf_errormessage (l_rtn)
closecom ()
end if
l_rtn = wrdat (1, al_start, al_len, as_agr1)
if l_rtn <> 0 then
wf_errormessage (l_rtn)
closecom ()
end if
messagebox ("prompt", "write card successfully!")
Card Reader Function: wf_read (string as_arg1, long al_start, long al_len)
/ * Parameter string as_arg1 read information stored string;
long al_start reader into the starting position
the length of long al_len reader * /
long l_rtn
if opencom () = false then
messagebox ("prompt", "serial connection failed")
end if
l_rtn = chkcard ()
if l_rtn <> 0 then
wf_errormessage (l_rtn)
closecom ()
end if
l_rtn = rddat (1, al_start, al_len, as_agr1)
if l_rtn <> 0 then
wf_errormessage (l_rtn)
closecom ()
end if
messagebox ("prompt", "reader success!")
Error function: wf_errormessage (long lerror)
choose case lerror
case 1
messagebox ("prompt", "write error or password error!")
case 2
messagebox ("prompt", "card has been damaged or parameter bounds!")
case 3
messagebox ("prompt", "Please card!")
case 4
messagebox ("prompt", "communication error!")
case else
messagebox ("prompt", "Unknown error!")
end choose
Initialize the card function wf_initialcard (long al_port)
/ * Parameters: long al_port introduced readers to use the serial port * /
psotpara (al_port, "")

The above example code used by the ic card sle4442 encrypted memory card reader for the wb1000 IC card reader
Through the above code example, the communication with external devices, not a very difficult time right? !

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Wednesday, July 7, 2010

Youtube Movie to Laptops Tools

Hot popluar youtube video Converter + download + player tool. With YouTube tool you can also convert downloaded YouTube videos to a format compatible with your favorite portable device; including - iPod Video, iPod Touch, iPod Nano, iPhone, Zune, PSP, as well as video capable MP3 players, video capable mobile phones, and Pocket PC, And finally... YouTube tool's embedded player will allow you to watch all your favorite YouTube videos off-line. So now you can enjoy any .flv and .swf videos anytime!
Easily Convert all popular video formats. Provides the highest speed to download YouTube video. Support unlimited simultaneous downloading tasks. Supports auto-name your downloaded video title as the YoutTube page shows. Offers you the most convenient task management and the easiest control capability. About Conversion Features. - is the most powerful YouTube assistant on the planet.

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