, and the inverse index number for the -5,h is the reverse index number for the -6,t, and the reverse index number for the -7,y is the reverse number of the -8,p that is numbered-9.s = ' Python12 period ' S4 = S[-1]print (S4)Slice:[Index start bit number: Index end bit number]Gu Tou In spite of the tail.s = ' Python12 period ' S5 = S[0:6]print (S5)The slice starting bit index in brackets is 0 o'clock, which can be omitted.s = ' Python12 period ' s6 = S[:6]print (S6)s = ' Python12 period ' s7 = S
1. How the bus route information is stored in the database
Obviously, if the simple use of table Bus_route in the database (route name, route through the site, cost) to save the bus route information, it is difficult to use the query statement to achieve the bus line query, therefore, should be processed on the line of information and then saved to the database, The method used by the author is to store bus routes using the site-route relationship Table Stop_route (site, Route name, site in the
definitely don ' t want callers attempting to * allocate greater than order-1 page units with * __gfp_nofail. */warn_on_once (Order > 1); } spin_lock_irqsave (zone->lock, flags); page = __rmqueue (zone, Order, migratetype); Spin_unlock (zone->lOck); if (!page) goto failed; __mod_zone_freepage_state (Zone,-(1 There is a struct per_cpu_pageset __percpu *pageset in the struct zone structure; Member, which is used for hot and cold dispenser, the hot page i
Android5.1 system, equipped with F1.9 large aperture 16 million megapixel rear camera and 5 million megapixel front camera, and equipped with OIS intelligent optical Image stabilization technology, in the Network Service support 4G full netcom.Hardware configuration is the hard data above, and the service and experience behind these data is the ultimate value. Since April, Jia Yueting Pavilion published it
Is Nubia N1 worth buying? Nubia N1 Evaluation
First of all, Nubia N1 is a main line under the model, and did not hold a high-profile conference, so many people did not see the new machine on the Internet press conference. Below, we first through Nubia N1 hardware configuration parameters, the general understanding of this phone.
Nubia N1 Parameters
screen spec
5.5 inch 1920x1080 pixel 401ppi
CPU Model
MediaTek Helio P10 (64-bi
regrettable.
Nubia Z11 Max
Reference Price: 1999 RMB
Screen Size: 6 inches
Recommended reasons: Excellent photo, big screen long endurance, Yan value high
Nubia Z11 Max is Nubia this June, a giant screen mobile phone, with double-sided 2.5D glass +CNC High technology metal frame design, with gold, silver, 锖 3 colors of the fuselage, the front is equipped with 2.5D curved glass, the bottom with the personality of the Circle home button, th
Which mobile phone cheap and easy to use: Mody 3N
Reference Price: 699 RMBRecommended reasons: Eight-core mainstream configuration, 5.5-inch 1080P Full HD screen
Mody 3N is TCL this year launched a cost-effective large screen thousand-yuan machine, now prices to 699 yuan, eye-catching performance. Mody 3N uses a metal-textured plastic fuselage, with Snow White, champagne Gold 2 kinds of beautiful colors, fuselage thickness of 7.95mm, the appearance of the atmosphere, with a strong sense of fashi
not much upgrade, more is to make up for the Blue Note before the imperfect, the appearance of the biggest change is to cancel the red circle home key, using the "Waist circle" key, and the first introduction of metal gray color matching. Charm Blue Note2 has gray, blue, white, pink Four kinds of beautiful body color, fuselage thickness to 8.7mm, in the feel of the enhancement.
On the hardware side, the Phantom Blue Note2 uses a 5.5-inch 1080P Full HD screen, equipped with 1.3GHz
the spirit of Blue Note price 1168 yuan, many colors are available for sale, interested friends can pay attention to see.
Motorola New Moto G (1299 RMB)
Motorola's new Moto G is also full of sincerity, first in the configuration is very mainstream, but also equipped with the Android 5.0 system, from the interface to see the original biochemistry is very high, and this is still attractive enough for Android fans. Even if you do not care whether the original ecology, but for Motorola but the
good products.
Great God Note3 the back of the fuselage
The great God Note3 faces a 5.5-inch 720p screen with pixel density of 267PPI. The core is built with a 64-bit MediaTek MT6753 eight core processor and a 2GB RAM+16GB ROM memory portfolio that runs smoothly on the 360 OS (mini) based on the Android 5.1 system and has a built-in 3000mAh battery that lasts up to 2 days. The fuselage has a 13 million-megapixel camera on the ba
)
{
... // Process and modify the SS-the actual processing is a copy of the input object
}
......
Student S7;
Fun1 (s7); // after this function is called, the status of object S7 does not change.
......
The so-called pass by reference refers to the address of the object that is passed to the function, so that the function changes the object and the object state changes. For example
// C ++
Void fun2 (student SS)
{
... // Process and modify the SS
}
......
Student
maintain software compatibility with the past, it is best not to use the oddNumber register.
2.2.1 usage of mnemulator and General Register
We have already described some architecture content. Next we will introduce some software content.
Register number enable usage0 zero always returns 01 at is a temporary variable used as the assembler2-3 v0, v1 subfunction call return results4-7 parameters of a0-a3 sub-function call8-15 temporary variables for t0-t7, which do not need to be saved and restor
ISCSI
1
2
4
4
4
8
1
2
4
8
Sparc64
1
2
4
4
4
8
1
2
4
8
The address in the kernel is of the unsigned long type, and the pointer size is the same as that in the long type.
. The kernel provides the following data types, all of which are in the header file
[File]/usr/src/kernels/2.6.9-22. EL-i686/include/asm-i386/types. h# Ifndef _ i1__types_h# DEFINE _ i1__types_h
# Ifndef _ Assembly __
Typedef unsigned short umod
)#find can be indexed, cannot find return-1#index通过元素找索引, I can't find an error.# s = "Alexwuswir"# S8 = S.index ("A")# Print (S8, type (s8))#rstrip从右边开始删除, Lstrip Delete from the left# s = "* * * Alex wusir%%%"# s9= S.strip ("*%")# Print (S9)# s = "Alexaa Wusrila"# s10 = S.count ("a")## Print (S10)#split splitting a string into a list## s = "Alexl Wusir;lambaba"
with1 # starting with what: StartsWith 2 ' Hellopython ' 3 s7 = S.startswith ('he') # does it start with he 4 S71 = S.startswith ('e', 2, 5) # is the beginning of E in the slice range 5 Print(s7,s71) #输出结果: True False8.find () index is found by element, return 1 if not found1 # Find Index 2 ' Hellopython ' 3 s8 = S.find ('P') # index found by element, no return-14 Print (S8,type (
space string
s8 = S6.replaceall ("" "" ") at the beginning and end of the strings; Replace all spaces in a string
StringTokenizer st = new StringTokenizer (S6, ""); Use spaces to separate strings
stringbuffer sb = new StringBuffer ();
while (St.hasmoretokens ()) {
sb.append (st.nexttoken ());
}
System.out.println ("\" "+ S6 +" \ "+" length = "+ s6.length ()); "Hello Java" length =
System.out.println ("\" + s7 + "\" +
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