Permutations IIGiven A collection of numbers that might contain duplicates, return all possible unique permutations.For example,[1,1,2] has the following unique permutations:[1,1,2], [1,2,1], and [2,1,1].Solution 1:or a classic recursive template. The situation that needs to be handled is: we sort num First, then we can only select sequentially, so we avoid generating duplicate solution.Example: 1 2 3 4 4 4 5 6 7 8444 This method can only be selected: 4, 44, 444 consecutive these three kinds of
"A12HJ13FDAADFF" | Tr-d "[a-z][a-z]" 1213xiaosi@qunar:~/test$ echo "a1213fdasf" | tr-d [adfs]1213
3.3 Character substitution
-t:truncate, the characters in the SET1 are replaced with the characters in the SET2 corresponding position, the default is-t
xiaosi@qunar:~/test$ echo "A1213FDASF" | tr-t [AfD] [AFO]//A1213FOASF
The code above converts a to a,f conversion to F,d to O.
You can use this feature to convert large and small letters.
xiaosi@qunar:
translate)
xiaosi@Qunar:~/test$ echo "a12HJ13fdaADff" | tr -d "[a-z][A-Z]"1213xiaosi@Qunar:~/test$ echo "a1213fdasf" | tr -d [adfs]1213
3.3 character replacement
-T: truncate. replace the characters in SET1 with the characters at the corresponding position of SET2. the default value is-t.
xiaosi@Qunar:~/test$ echo "a1213fdasf" | tr -t [afd] [AFO] // A1213FOAsF
The code above converts a to A, f to F, and d to O.
You can use this feature to convert l
are currently supported by Linux: adfs, befs, cifs, ext3, ext2, ext, iso9660, kafs, minix, msdos, vfat, umsdos, proc, reiserfs, swap, squashfs, nfs, hpfs, ncpfs, ntfs, affs and ufs. Auto indicates that the file system type will be automatically detected.
4,
. The setting options are used here. each option is separated by a comma. However, here is a very important keyword to understand: defaults, which c
types: adfs, befs, cifs, ext3, ext2, ext, iso9660, kafs, minix, msdos, vfat, umsdos, proc, reiserfs, swap, squashfs, nfs, hpfs, ncpfs, ntfs, affs and ufs.
4)
: Set options. each option is separated by commas (,). you can use the man mount command to view the specific content. The common values are: rw ults, which indicates that the options rw, suid, dev, exec, auto, nouser, and async are included.
5)
: Optional value: 0 or
number may be large, outputting the result of its 1000000007 modulo . For example, enter:2 2 21 22 1The program should output:2Again, for example, enter:2 3 21 2 32 1 5The program should output:14Resource contract:Peak memory consumption CPU consumption
Blue Bridge Cup Most of the questions can be done with DFS.1#include 2#include 3#include 4#include 5 using namespacestd;6 intmap[ -][ -];7 intN, M, k, sum =0;8 intDFS (intXintYintBigintnowhave)9 {Ten if(Nowhave >k) One retur
() {String str= "abc"; System.out.println (str);//equivalent to char[] data={' A ', ' B ', ' C '}; String Str1=new string (data); System.out.println (STR1);} @Test public void Teststringconstructor () {string str0=new string ();//Initializes a newly created string object that represents the empty character sequence byte[] Bytes=n EW byte[1024]; String str1=new string (bytes);//Constructs a new string by decoding the specified byte array using the platform default character set; Str1
Power Management Services ( RMS) Consolidation update, and Microsoft. NET Common Language Runtime (CLR) executes the Whidbey version of the environment. R2 will also include new unique features, including branch office management support. instructions from Microsoft:The purpose of Microsoft's release of the Windows Server 2003 R2 version is to fill the product release time interval between Windows Server 2003 SP1 and Longhorn Server.Microsoft says to product testers that Windows Server 2003 R2
' backtracking structure '. This structure is stored at the high end of each frame. Each chunk of the stack is allocated in descending order of address. The register SP always points to the lowest used address in the most current frame. This is in line with the traditional full descending stack. In Apcs-r, the Register SL holds a stack limit, and you decrement the SP to not lower it. Between the current stack pointer and the current stack, there should be no other APCS function to rely on, and
Tags: ISE default system column write file TE link lap information standThe Mount command is used to load the file system to the specified mount point. This command is also commonly used to mount the CDROM so that we can access the data in the CDROM because you insert the disc into the CDROM, Linux does not mount automatically, and you must use the Linux Mount command to complete the mount manually. Mount Common Command ParametersThe standard form of the Mount command, is mount-t type device
| a1b23f2c 02 | A2 | adam | c0932f32
Log on Via Weibo is considered as another Authenticate Method, which is maintained using the OAuth table:
id | user_id | weibo_id | weibo_access_token | weibo_expires----+---------+----------+--------------------+--------------- 11 | A1 | W-012345 | xxxxxxxxxx | 604800 12 | A2 | W-234567 | xxxxxxxxxx | 604800
If you want to add another OAuth login type, such as QQ login, you can add a table. However, since everyone be
that can be compatible with existing systems. WCF is the integrator of Microsoft's distributed application development, which integrates. NET platform, and all of the technologies related to distributed systems, such as enterprisesevices (COM +). Netremoting, WebService (ASMX), WSE3.0, and MSMQ Message Queuing. In the context of communication (communiation), it can span processes, across machines, across subnets, corporate networks and the Internet; in the host program, you can host asp.net,exe
managed code. It enables developers to build a secure, trusted, and transactional solution across platforms, and to be compatible with existing systems.
WCF is a set of developers for Microsoft Distributed Application Development. It integrates. net platform, such as Enterprise Sevices (COM + ). net Remoting, Web Service (ASMX), WSE3.0, and MSMQ message queues. In terms of the scope of communication (Communiation), it can be cross-process, cross-machine, cross-subnet, enterprise network, or Int
platform, all technologies related to distributed systems, such as Enterprise Sevices (COM +). NET Remoting, Web Service (ASMX), WSE3.0, and MSMQ Message Queuing. In the context of communication (communiation), it can span processes, across machines, across subnets, corporate networks and the Internet, and in the host program, you can host Asp.net,exe,wpf,windows forms,nt service,com+ (Host). WCF can support protocols including tcp,http, cross-process and custom, and security mode includes
the information itself, once the data arrives at a place, it can be viewed by anyone. In WebService, a single piece of data may reach multiple locations, and the data should not be viewed by all recipients. The second is that it provides either all-or-nothing protection, and you cannot choose which part of the data is to be protected, and this selectivity is often used in webservice.The second layer of protection is the protection of the message itself. You can use the existing XML security ext
integrator of Microsoft's distributed application development, which integrates. NET platform, all technologies related to distributed systems, such as Enterprise Sevices (COM +). NET Remoting, Web Service (ASMX), WSE3.0, and MSMQ Message Queuing. In the context of communication (communiation), it can span processes, across machines, across subnets, corporate networks and the Internet, and in the host program, you can host Asp.net,exe,wpf,windows forms,nt service,com+ (Host). WCF can support pr
. chhliu. emailservice "}) @ EnableCasClient // enables CAS to support public class Application extends SpringBootServletInitializer {public static void main (String [] args) {SpringApplication. run (Application. class, args );}}
After completing the preceding three steps, you can complete CAS client authentication!
4. Expansion
Cas. validation-type currently supports 3 methods: 1. CAS; 2. CAS3; 3. SAML
Other available configurations are as follows:
c
API test Best Practices-AuthenticationApplicable class: Advanced1. OverviewAuthentication is typically defined as an activity that confirms the identity of a resource, in which the identity of the resource refers to the consumer of the API (or, in other words, the caller). Once a user's authentication has passed, he will be granted access to resources or APIs that are expected to be accessed.Validation (authentication)-refers to an activity that confirms to the end user of the API.Authorization
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