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Created by Dr. Xi on February 06, 2012 12:14:11 Last update: February 07, 2012 15:39:35
Oracle sqlplus command line tools does not support command line editing out-of-the-box. But on Linux there's a handy utility that enables command line editing with any command line tool: rlwrap - readline wrapper. Install rlwrap:
$ sudo apt-get install rlwrapCreate a keywords file .sql.dict (optional, but convenient):
false null true access add as asc begin by chec...It would be nice to add the tables names also. Create an alias for sqlplus (put it in .bashrc ):
alias sqlplus='rlwrap -f $HOME/.sql.dict sqlplus'
Created by timo on January 25, 2012 20:13:13 Last update: January 25, 2012 20:13:13
The MIPS CPU is able to run both big-endian and little-endian. So a system built on MIPS can be either big-endian (mips) or little-endian (mipsel). The file command shows the architecture:
$ file ls ls: ELF 32-bit LSB executable, MIPS, ...but readelf will tell the endianness:
$ readelf -h ls ELF Header: Magic: 7f 45...
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 Dr. Xi on January 31, 2011 16:24:31 Last update: January 31, 2011 16:24:58
Perl file test operators are unary operators that takes one argument, which can be a file name, a filehandle, or dirhandle. If the argument is omitted, it tests $_ , except for -t , which tests STDIN. Syntax: -X FILEHANDLE -X EXPR -X DIRHANDLE -X where X is: Operator Meaning -r File is readable by effective uid/gid. -w File is writable by effective uid/gid. -x File is executable by effective uid/gid. -o File is owned by effective uid. -R File is readable by real uid/gid. -W File is writable by real uid/gid. -X File is executable by real uid/gid. -O File is owned by real uid. -e File exists. -z File has zero size (is empty). -s File has nonzero size (returns size in bytes)....
Created by magnum on December 03, 2010 08:53:18 Last update: December 03, 2010 08:54:23
You can use the ntfsresize utility on Linux to shrink or expand an NTFS partition (boot, for example, with the DRBL live cd). To shrink an NTFS partition: shrink NTFS (the file system) with ntfsresize. re-create a smaller partition to hold the shrinked file system with FDisk. To expand an NTFS partition: Recreate a partition that's bigger than the previous one. expand NTFS to the full size of the new partition. The following are from excerpts from ntfsresize FAQ (Frequently Asked Questions) : ntfsresize help:
[tinker:root]:(~)# ntfsresize -h ntfsresize v1....ntfsresize example session:
[tinker:root]:(~)# ntfsresize -s11000M /dev/hd...Fdisk example session:
[tinker:root]:(~)# fdisk /dev/hdc ...
Created by Dr. Xi on October 15, 2008 23:27:57 Last update: October 15, 2008 23:28:31
http://www.garykessler.net/library/file_sigs.html lists file signatures for a large number of file types. In particular, PDF files start with %PDF Excel files contain 09 08 10 00 00 06 05 00 (hex) after the first 512 bytes. MS office application files (DOC, DOT, PPS, PPT, XLA, XLS, WIZ) start with D0 CF 11 E0 A1 B1 1A E1 ( ÐÏ.à¡±.á )