I. Windows key + Space"[Function]: transparent all windows and quick desktop viewing (not switching)[Shortcut key]: win + SpaceIi. Windows key + D[Function]: minimize all windows, switch to the desktop, and press and re-open all windows.[Shortcut key]: win + dIii. Windows key + tab key[Role]: The legendary 3D desktop display Effect[Shortcut key]: win + tabIv. Windows key +Ctrl + tab[Function]: browse and lock a 3D desktop (screenshots can be taken)[Shortcut key]: win + ctrl + tabV. Windows keys
Theory:
To refine the algorithm, perform the following steps:
Iteration of each pixel from left to right from top to down is an iteration cycle. In each iteration cycle, if each pixel P meets six conditions at the same time, it is marked. At the end of the current iteration cycle, the values of all marked pixels are set as background values. If a tag does not exist in an iteration cycle (that is, pixels that meet six conditions), the algorithm ends. If the background value is 0 and the foregroun
Windows 7 flagship edition 64-bit
VMware 7
Oracle Linux Release 5
E-Business R12.1.1 Linux x8
In the linux graphic interface, add the dba group and the oracle and applmgr users. These two users are automatically selected during EBS installation.
The Virtual Machine hard disk is set to 400 GB. When the demo database is installed, there is not enough space. Instead, it is changed to fresh for installation.
Linux graphic sub-character interface s
I checked the various versions of DB2. It is said that DB2 10 has come out and I don't know what the situation is, but it will definitely improve some functions, this article is my summary of the latest DB2 9.7 database version planning:
DB2 Express-C
Limited to support up to 2 CPU cores and 4 GB memory, of course, this version of the DB2 installation package can be used for development and testing for free or small enterprises for production needs, however, this version cannot obtain technical
value will be the row number of each file.
The record delimiter input by RS. The default value is a line break.
Delimiter of the output field of OFS, which is also a space by default
The record delimiter output by ORS. The default value is a line break.
FILENAME name of the current input file
For example, print the number of rows in each row:
[root@localhost profile.d]# ls -lh | awk '{print NR " " $1}'1 total2 -rwxr-xr-x3 -rwxr-xr-x4 -rw-r--r--5 -rwxr-xr-x6 -rwxr-xr-x7 -rwxr-xr-
[], which is uint16 (2-bit byte) and uint64 (4-bit byte ). you can use the following C # code to obtain the corresponding value.
Mpackagelength = (uint) (data [start] 0x7f); Start ++; If (mpackagelength = 126) {mpackagelength = bitconverter. touint16 (data, start); Start = start + 2;} else if (mpackagelength = 127) {mpackagelength = bitconverter. touint64 (data, start); Start = start + 8 ;}
If a mask exists, obtain the four-digit mask value:
If (hasmask) {mdatapackage. masking_key = new b
the ID of an HTML object.(1) Existing ProblemsIn MF, because the Object ID is not the name of the HTML object, you can use the same variable name as the HTML Object ID, which cannot be used in IE.(2) SolutionWhen declaring variables, add VaR to avoid ambiguity, so that it can run normally in IE.In addition, it is best not to take the same variable name as the HTML Object ID to reduce errors.7. event. X and event. Y(1) Existing ProblemsIn ie, the event object has the X and Y attributes, and MF d
?
The combination of several weights can be weighed and expressed by the product of the above functions:
(1 + x) (1 + x2) (1 + X3) (1 + X4)
= (1 + x + X2 + X3) (1 + X3 + X4 + X7)
= 1 + x + X2 + 2x3 + 2x4 + 2X5 + 2x6 + 2x7 + X8 + x9 + x10
From the above function, we know that the coefficient can be counted from 1 gram to 10 grams, which is the number of solutions. (!!! Classic !!!)
For example, there are 2X5 items on the right end, that is, the 5 grams
the program is executed, this address will transmit a program counter PC, so the CPU starts to execute a program command from here.
N is the serial number of the MCU register group (also known as the General Register group). There are four groups in total. The values are 0, 1, 2, and 3.
Interrupt number Source0 External Interrupt 01 timer 02 External Interrupt 13 timer 1 interrupt4. Disconnection of serial ports
The interrupt entry addresses of these five interrupt sources are: (they are the fi
replace macro functions. This operator combines two language symbols into a single symbol. # Define xname (n) x # if n is used, xname (8) is replaced with X8.
References:
[1] Lin Rui. High quality programming guide-C ++/C language [M]. Beijing: Electronic Industry Press
[2] Chen zhengchong. Deep anatomy of C language [M]. Beijing: Beijing University of Aeronautics and Astronautics Press
[3] http://www.e800.com.cn/articles/2011/0706/490169.shtml
[4]
Spare air model 300-Standard (300 pkyel)
Spare air 300 Emergency Standby diving respiratorOceanic brand emergency backupDiving respiratorProvide necessary air in an emergency so that you can safely return to the water.Features:
Set includes coat, fixed belt and a lid
The yellow looks very eye-catching
Small Size, basically neutral buoyancy
Breathe as needed
Essential standby flat diving Device
Specifications:0.42 litreWeight:0.985Length:34 cm
1. MAC address
The MAC address of the NIC is not defined at will, and its composition structure.
1> the last three bytes represent the serial number of a network product (such as a NIC) manufactured by the manufacturer. The first three bytes represent the serial number of the network hardware manufacturer, it is allocated by IEEE (Association of Electrical and Electronics Engineers)
2> the ethernet address is 48 bits, which are uniformly allocated to the NIC manufacturer by IEEE. Each NIC addr
nor + NAND + Ram design. This design can leverage the advantages of nor and NAND.
(4) In addition to speed and storage density, when selecting a flash chip, you also need to consider interface design, plug-and-play design, drivers, and many other issues, because the two types of flash memory have many differences in the above aspects. For example, in terms of drivers, norflash does not require any software support to run the code, but the storage technology driver (MTD) is required to perform t
4 printf("a=%d, b=%d, c=%d", a, b, c);
* Note that lines 3 and 3% d are separated by a hyphen (-). Therefore, after each integer is entered, A hyphen (-) must be entered. For example, otherwise, problems may occur when assigning values to variables.
* After All values are input, press Enter. the scanf function assigns values to variables A, B, and C, and then outputs the values.
Note: The delimiter between values is arbitrary. It may be a comma, space, asterisk (*), pound number (#), or ev
, Enter main out in the command.; K V3 T0 A) D * ^ 3 OA dialog box is displayed: 1 | 3 D0 x K6 Z1 u7 R; G6 R0 ~ 2 h # A "S9 [) P) S: O/H | LClick "Star One way translation") y n # M! K5 ^ 5 x * q0 R5 p! E1 q + D 'C + Y: X4 G1 n' Z1 yWait... End. 6 N; L * I-y9 h) T V/^ % B3 V % B R z, T5. Open the pads translator tool: Allegro designs translators 8 ~. J + T1 '5 D @ 3 K6 LK G % M0 V8 K2 ^ # U5 P (j) R0 QAdd the earlier Allegro PCB file that has been processed, and execute the conversion,9 t ;
specified by chunk type code
CRC)
4 bytes
Store the cyclic verification code used to check whether the token has an error
The value in the CRC (cyclic redundancy check) field is calculated for the data in the chunk type code field and chunk data field. CRC detailed algorithms are defined in ISO 3309 and ITU-T v.42, and their values are calculated based on the following CRC codes:
X32 + X26 + x23 + x22 + x16 + X12 + X11 + x10 + X8
Fedora 20/21, delete old system kernel, fedora Kernel
The kernel update speed of the Fedora system is very fast, which often leads to many versions during startup. If you do not clean up for a long time, the/boot may be fully occupied. The recent new Fedora 21 is even more likely to frequently upgrade the kernel. Therefore, the old kernel deletion method record is as follows:
[Root @ rachel densintian] # rpm-qa | grep kernel query kernel information kernel-modules-3.17.1-302.fc21.x86_64kernel-3
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