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Showing posts with label နည္းပညာ. Show all posts
Showing posts with label နည္းပညာ. Show all posts

Thursday, March 10, 2011

USB Hug မ်ားအေၾကာင္း

http://www.zapsonline.com/47913-34713-large/imported-third-party-white-high-speed-10-port-usb-hub-suusb-10pw.jpg
Google Image
USB Hub ေတြကအမ်ိဳးစံုလင္လွပါတယ္။ သို႔ေသာ္လည္း ေရြးခ်ယ္၍ ၀ယ္ယူရပါလိမ့္မယ္။ ဘာေၾကာင့္လဲ ဆိုေတာ့ မိမိဘာေတြ သံုးမလဲဆိုတာအေပၚမူတည္ၿပီးေတာ့ေပါ့ေလ။ ၄-၅-၆-၇ အေပါက္ေတြ ပါတာထဲကမွ တစ္ခ်ိဳ႕ဆိုလွ်င္ Powder Adptor လိုအပ္ပါတယ္။ မိမိက External HardDisk ထပ္စိုက္သံုးမယ္ဆိုလွ်င္ Powder Adptor ပါတာကိုမွ ေရြး၀ယ္ပါ။ ခုေနာက္ပိုင္း USB 3.0 ေပၚလာၿပီးျဖစ္သည့္အတြက္။ Data ေျပာင္းလဲႏႈန္း Mbs လည္းျမန္လာပါၿပီ။ ဒါေၾကာင့္ USB Hub ကိုေရြးခ်ယ္လွ်င္ Powder Adptor ပါတာကိုေရြး၀ယ္ျခင္းျဖင့္ ေနာင္ ကြန္ပ်ဴတာႏွင့္ မဟုတ္ပဲ အလြတ္လည္း သံုး၍ ရပါေၾကာင္း...

Monday, March 7, 2011

၀င္းဒိုး Windows သံုး Command မ်ား

Run ကိုသြားပါ။ ( Win key + R ) cmd ကိုရိုက္။


Del Command

del /s myfolder\*




ဖိုင္အားလံုးကိုဖ်က္ပါက ဒီကီးပါ။

del /s myfolder\*.ext


ဖိုလ္ဒါကိုဖ်က္ရင္ ဒီကီး

rd /s myfolder


ဖိုလ္ဒါတစ္ခုလုပ္မယ္။
md new\new1\new2


Xcopy

xcopy my/abc/


ဖိုင္ေရြ႔ေျပာင္းရင္ဒီကီး
move /y folder1\*.mp3 folder2\

Windows 7 တြင္သံုးေသာ Command Line မ်ား

ASSOC Displays or modifies file extension associations.
ATTRIB Displays or changes file attributes.
BREAK Sets or clears extended CTRL+C checking.
BCDBOOT* Used to copy critical files to the system partition and to create a new system BCD store.
BCDEDIT Sets properties in boot database to control boot loading.
CACLS Displays or modifies access control lists (ACLs) of files.
CALL Calls one batch program from another.
CD Displays the name of or changes the current directory.
CHCP Displays or sets the active code page number.
CHDIR Displays the name of or changes the current directory.
CHKDSK Checks a disk and displays a status report.
CHKNTFS Displays or modifies the checking of disk at boot time.
CHOICE Batch file command that allows users to select from a set of options.
CIPHER Displays or alters the encryption of directories [files] on NTFS partitions.
CLIP Redirects output of another command to the Windows clipboard.
CLS Clears the screen.
CMD Starts a new instance of the Windows command interpreter.
CMDKEY Creates, lists and deletes stored user names and passwords or credentials.
COLOR Sets the default console foreground and background colors.
COMP Compares the contents of two files or sets of files byte-by-byte
COMPACT Displays or alters the compression of files on NTFS partitions.
CONVERT Converts FAT volumes to NTFS. You cannot convert the current drive.
COPY Copies one or more files to another location.
DATE Displays or sets the date.
DEFRAG Disk defragmenter accessory.
DEL Deletes one or more files.
DIR Displays a list of files and subdirectories in a directory.
DISKCOMP Compares the contents of two floppy disks.
DISKCOPY Copies the contents of one floppy disk to another.
DISKPART Displays or configures Disk Partition properties. A separte command interpreter with a sub-set of commands.
DOSKEY Edits command lines, recalls Windows commands, and creates macros.
DRIVERQUERY Displays current device driver status and properties.
ECHO Displays messages, or turns command echoing on or off.
ENDLOCAL Ends localization of environment changes in a batch file.
ERASE Deletes one or more files.
EXIT Quits and closes the command shell.
EXPAND Expands one or more compressed files.
FC Compares two files or sets of files, and displays the differences between them.
FIND Searches for a text string in a file or files.
FINDSTR Searches for strings in files.
FOR Runs a specified command for each item in a set.
FORFILES Selects files in a folder for batch processing.
FORMAT Formats a disk for use with Windows.
FSUTIL Displays or configures the file system properties.
FTYPE Displays or modifies file types used in file extension associations.
GOTO Directs the Windows command interpreter to a labeled line in a batch program.
GPRESULT Displays Group Policy information for machine or user.
GRAFTABL Enables Windows to display an extended character set in graphics mode.
HELP Provides Help information for Windows commands.
ICACLS Display, modify, backup, or restore ACLs for files and directories.
IF Performs conditional processing in batch programs.
IPCONFIG Displays all current TCP/IP network configuration values
LABEL Creates, changes, or deletes the volume label of a disk.
MD Creates a directory.
MKDIR Creates a directory.
MKLINK Creates Symbolic Links and Hard Links
MODE Configures a system device.
MORE Displays output one screen at a time.
MOVE Moves one or more files from one directory to another directory.
OPENFILES Queries, displays, or disconnects open files or files opened by network users.
PATH Displays or sets a search path for executable files.
PAUSE Suspends processing of a batch file and displays a message.
POPD Restores the previous value of the current directory saved by PUSHD.
PRINT Prints a text file.
PROMPT Changes the Windows command prompt.
PUSHD Saves the current directory then changes it.
RD Removes a directory.
RECOVER Recovers readable information from a bad or defective disk.
REM Designates comments (remarks) in batch files
REN Renames a file or files.
RENAME Renames a file or files.
REPLACE Replaces files.
RMDIR Removes a directory.
ROBOCOPY Advanced utility to copy files and directory trees
SET Displays, sets, or removes environment variables for current session.
SETLOCAL Begins localization of environment changes in a batch file.
SETX Sets environment variables.
SC Displays or configures services (background processes).
SCHTASKS Schedules commands and programs to run on a computer.
SHIFT Shifts the position of replaceable parameters in batch files.
SHUTDOWN Allows proper local or remote shutdown of machine.
SORT Sorts input.
START Starts a separate window to run a specified program or command.
SUBST Associates a path with a drive letter.
SYSTEMINFO Displays machine specific properties and configuration.
TAKEOWN Allows an administrator to take ownership of a file.
TASKLIST Displays all currently running tasks including services.
TASKKILL Kill or stop a running process or application.
TIME Displays or sets the system time.
TIMEOUT Pauses the command processor for the specified number of seconds.More here.
TITLE Sets the window title for a CMD.EXE session.
TREE Graphically displays the directory structure of a drive or path.
TYPE Displays the contents of a text file.
VER Displays the Windows version.
VERIFY Tells Windows whether to verify that your files are written correctly to a disk.
VOL Displays a disk volume label and serial number.
VSSADMIN Volume Shadow Copy Service administration tool
WHERE Displays the location of files that match a search pattern.
XCOPY Copies files and directory trees.
WMIC Displays WMI information inside interactive command shell.

Friday, March 4, 2011

ကြန္ပ်ဴတာ အသံုးခ်နည္းမ်ား

၁။ Browser ထဲကေနၿပီးေတာ့ မိမိ Download လုပ္ထားေသာ ဖိုင္မ်ားကို ေနရာေရႊ႕ေျပာင္း သိမ္းျခင္းပါ။
Firefox Browser သံုးတဲ့သူမ်ား အတြက္ Tools --->Options--->General ၿပီးရင္ က်ေတာ္၀ိုင္းျပ ထားတဲ့ ေနရာက Save file to ဆိုတဲ့ေနရာေလးကို ေျပာင္းေပး လုိက္ရံုပါ။ ဒီလိုမေျပာင္းခဲ့လို႔ က်ေတာ္ ေဒါင္းထား တာေတြ ခဏခဏ ေျပာင္ေျပာင္ သြားတယ္။








၂။ Registry တြင္သံုးေသာ command မ်ား
Table I. Subcommands for reg.exe
Subcommand Function
add Adds a new subkey or entry to the registry
delete Deletes a subkey or entries from the registry
query Displays the data in a subkey or a value
compare Compares specified registry subkeys or entries
copy Copies a subkey to another subkey.
save Saves a copy of specified subkeys, entries, and values of the registry in hive (binary) format
restore Writes saved subkeys and entries in hive format back to the registry
load Writes saved subkeys and entries in hive format back to a different subkey
unload Removes a section of the registry that was loaded using reg load
export Creates a copy of specified subkeys, entries, and values into a file in REG (text) format
import Merges a REG file containing exported registry subkeys, entries, and values into the registry


Registry ထဲသို႕ ေပါင္းထည့္ေသာ ကီး Command မ်ား။ syntax ေပးထားတာက REG ADD KeyName [/v ValueName | /ve] [/t Type] [/s Separator] [/d Data] [/f]
Table II. Parameters in REG ADD command
Parameter Description
KeyName Complete Registry key name. Uses abbreviations HKCR, HKCU, HKLM, and HKU for root keys
/v ValueName Adds or changes a value
/ve Changes a key's default value
/t Type The type of value: REG_BINARY, REG_DWORD, REG_SZ, REG_MULTI_SZ, etc. The default is REG_SZ
/s Separator Specifies the character used to separate strings in REG_MULTI_SZ entries. The default is /0
/d Data The data to assign to a value
/f Forces overwriting of existing values with prompting

Table III. Parameters in REG DELETE command
Parameter Description
KeyName Complete Registry key name. Uses abbreviations HKCR, HKCU, HKLM, and HKU for root keys
/v ValueName Deletes a value
/ve Deletes a key's default value
/va Deletes all values from a key
/f Forces deletion with prompting


မွတ္ခ်က္။ Registry သို႕၀င္ကလိမည္ဆိုပါက File--->Export (သိမ္းမည့္ေနရာျပၿပီးပါက) Save သာလုပ္ ထားပါ။

Sunday, January 30, 2011

အနာဂတ္ကြန္ပ်ဴတာ

ေနာင္လာမည့္ ကြန္ပ်ဴတာမ်ားမွာ Multicore-Processor ေတြသံုးမယ္အျပင္ ျပင္ဆင္မြမ္းမံမႈနည္းပညာ Overhaul ေတြနဲ႕ အျမန္ဆံုးအလုပ္လုပ္ေစမွာ ျဖစ္ပါတယ္။ ႏွစ္ ၅၀ ေက်ာ္ျဖတ္သန္းလာခဲ့ၿပီးသည့္ေနာက္တြင္ ကြန္ပ်ဴတာမ်ားစြာဟာ နည္းပညာမ်ား တခုၿပီးတခု ျဖတ္သန္းလာခဲ့ပါၿပီး။ University of Maryland Researcher ကရွာေဖြေတြ႔ရွိခဲ့သည္မွာ Single-Processor ကေန Processor မ်ားစြာကိုၿပိဳင္ၿပီး အလုပ္လုပ္ေစတဲ့နည္းပဲ ျဖစ္ပါတယ္။ ၎အလုပ္လုပ္ပံုေၾကာင့္ စနစ္တစ္ခု ရရွိေစမွာ ျဖစ္ပါတယ္။ အေျခခံ ကြန္ပ်ဴတာမ်ားဟာ နည္းပညာရပ္ အားျဖင့္ သခ်ၤာပညာရွင္ ဂၽြန္ဗြန္းႏူမာန္ ( Jonn Von Neumann ) ကတည္ေဆာက္ခဲ့ျခင္းပါ။ သူ႕ရဲနည္းပညာေတြမွာ Program နဲ႕ Data ေတြကို သယ္ေဆာင္ေစၿပီး Memory နဲ႕ CPU ကိုစားသံုးေစခဲ့ပါတယ္။ ၎ရဲ႕ လုပ္ဆာင္ခ်က္ေတြ ဟာလည္းတစ္ႀကိမ္တစ္ခါပါပဲ။ ခုဒီနည္းပညာကေတာ့ ဒီလိုမဟုတ္ပါဘူး။  Single-Core Processor ကေနအျခား Core ေတြကိုအလုပ္လုပ္ ေစေသာနည္း ျဖစ္ပါတယ္။လာမည့္ေနာင္ႏွစ္ ေတြမွာ Tripe-Core Processor ေတြသံုးလာေတာ့မွာပါ။ Ref: Pcworld
http://zapp5.staticworld.net/news/graphics/149407-Multi-core.jpg

Monday, January 17, 2011

Gmail Password မေပါက္ရေလေအာင္

Gmail Password မေပါက္ရေလေအာင္ ဘယ္လိုသတိထားရမယ္ဆိုတာ ကၽြန္ေတာ္ေရးျပထာပါ။  သူငယ္ခ်င္း တစ္ေယာက္ရဲ႕ အေကာင့္ ေပါက္သြားတယ္။ ဒါေၾကာင့္ဒီလို မျဖစ္ၾကရေလေအာင္ ကၽြန္ေတာ္သိထားတာ ေလးေတြ ကို ျပန္လည္ေ၀ငွ ျခင္းပါ။ သတိထား ၾကရေအာင္ပါ။ Gmail Password လံုၿခံဳစိတ္ခ်ရေအာင္
၁။ အနဲဆံုး Password ၂၀ ခန္႔ေပးပါ။ ဂဏန္းနဲ႕ အကၡရာ ေရာ၍ေပးပါ (ဥပမာ- Maung123456Maung789)။
၂။ Password အားမၾကာခဏေျပာင္းလဲေပးပါ။
၃။ Internet ဆိုင္တြင္ သံုးပါက Gtalk ကုိသံုးၿပီးတိုင္း Name ေနရာႏွင့္ Password ေနရာတြင္ ေပါက္ကရရိုက္၍ 
     Sign In ကိုႏွိပ္ပါ။












၄။ ေအာက္ပါ ပံုအတိုင္းၾကည့္၍ IP Address ကိုဖမ္းပါ။ မိမိ IP အားမွတ္ထားပါ။ Detail ကိုႏွိပ္၍ IP Address မ်ားကိုၾကည့္ပါ။ မိမိ IP မဟုတ္ပါက တစ္ေယာက္ေယာက္သံုးထားတာေသခ်ာပါၿပီ။
 (ဖုန္းျဖင့္ဖြင့္ထားပါက mobile browser ေပၚေနပါမယ္။ IP လဲမတူပါ။


Saturday, January 8, 2011

Firefox အသံုးျပဳပံု

အေၾကာင္းတခုခုေၾကာင့္၊ Firefox ကို Uninstall လုပ္လိုျခင္းေသာ္လည္းေကာင္း၊ မိမိ Bookmarks ထဲသိမ္းထားသည္မ်ားအား ျပန္ယူ၍ ျပန္ထည့္ျခင္းပါ။ အရင္ရက္က Mozilla Firefox Bookmarks တြင္သိမ္းထားေသာ Sitelist မ်ားအားျပန္ယူေသာ နည္းက်ေတာ္ ေရးခဲ့ပါၿပီ။ (ဒီပိုစ္)ယခု ျပန္သြင္းေသာ နည္းျဖစ္ပါတယ္။ လြယ္လြယ္ေလးပါ။ သိၿပီးသူမ်ားသိရွိၿပီး ျဖစ္ႏိုင္ပါတယ္။

ေနရာတခုခုတြင္ သိမ္းထားေသာ Site Address Link မ်ားအား Copy လုပ္၍ Bookmarks ေပၚတြင္ Paste လုပ္ယူပါ။ အိုေကပါၿပီ။ ေအာက္ပါပံု....

Saturday, November 13, 2010

Extend iPhone Battery Life အိုင္ဖုန္းအားဘကၳရီသက္တမ္းတိုးေစျခင္း


မိမိသံုးေနေသာ အိုင္ဖုန္းအားဘကၳရီသက္တမ္း ပိုၾကာေစလိုပါက ေအာက္ပါနည္းလမ္း (၁၀) ခ်က္အား လုပ္ ေဆာင္ပါ။

http://macosrumors.com/wp-content/uploads/2010/06/iphone4-thumb-640xauto-14425.jpg၁။ Turn on Auto-Brightness မ်က္ႏွာျပင္ အလင္းအားေလ်ာ့ခ်ျခင္း ဒီနည္းဟာလည္း ဘကၳရီသက္တမ္းပိုၾကာ
     ေစပါတယ္။
     Settings -> Brightness ->
၂။ Turn Bluetooth Off  Bluetooth အားပိတ္ထားပါ။ လိုအပ္မွဖြင့္ပါ။
     Settings -> General
၃။ Turn Off 3G ၎အားပိတ္ထားႏိုင္ပါသည္။ သို႔ေသာ္data သယ္ယူမႈႏႈန္း အနည္းငယ္ ေႏွးသြားမည္။ 
     လိုအပ္မွသာဖြင့္ပါ။
     Settings -> General -> Network
၄။ Keep WiFi Off WiFi အားပိတ္ထားပါ။
    Settings -> WiFi
၅။ Turn Off Location Services မိမိသည္ ယဥ္ေမာင္းသူတစ္ေယာက္ မဟုတ္ပါက GPS မလိုအပ္ေပ။
     ပိတ္ထား ႏိုင္ပါသည္။
     Settings -> General
၆။ Turn Data Push Off တစ္ခါတစ္ေလမွာႏွိပ္မိ၍ေသာ္လည္းေကာင္း ပြင့္ေနတတ္ပါသည္။ off ျပန္လုပ္ 
     ေပးပါ။
     Settings -> Mail, Contacts, Calendar -> Fetch New Data
၇။ Fetch Email Less Often မိမိ mail account အားပိတ္ထားပါ။ ရံဖန္ရံခါ သာသံုးပါ။
    Settings -> Mail, Contacts, Calendar -> Fetch New Data
၈။ Safari browser အားသံုးၿပီးပါက ျပန္ျပန္ပိတ္ေပးပါ။
၉။ Auto-Lock Sooner Auto-Lock အား ၁ -၂ မိနစ္သာထားပါ။
     Settings -> General -> Auto-Lock
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