centurylink 10k

= System.nanotime ();Long Duration = EndTime = StartTime;SYSTEM.OUT.PRI}Array length method running time-consuming array length method runs time-consuming5 list of list5 Set 6685 Loop 5 Loop 475 BinarySearch Inarysearch 81k List 10k list 15901k Set 2055 10k set238191k Loop 10k loop15261k BinarySearch 10k BinarySearc

feel.CREATE TABLE Test_user (No number (5) NOT NULL,--PKUsername VARCHAR2 (+) NOT NULL,--user namePasspord VARCHAR2 (+) NOT NULL,--PasswordConstraint Pk_connectdb primary KEY (NO)) Storage (initial 10k next 10k pctincrease 0);* The meanings of the above commands are explained belowCREATE TABLE Test_user--Creating a data tableNo number (5) NOT NULL,--PK(Column name or field name) data type (data length) The

-atimeShow file detail time #stat file nameAccess time atime, permissions change time modify Mtime, change content time changed CTime-1 Minus One, change permissions within one day; +1, greater than a day, #find/-type f-mtime-1Within one hour of file, min minutes, #find/-type f-mmin-60an hour within the file, locate the file in detail, #find/-type f-mmin-60-exec ls-l {} \;an hour within the file, locate the file after renaming,#find/-type f-mmin-60-exec mv {} {}.bak \;or-o,o for or, e.g. ##find/

/userone-type (Find by file type)F: Normal fileD: CatalogueC: CharacterB: BlockL: Link WordP: PipingS: SocketExample:Find/tmp-type d--Find files with file type directory under TMPFind/tmp-type s--looking for files with a file type of socket under TMPFind/tmp-type s-ls--for Verification (action section below)-size [+|-]--based on file size (not with unit default bytes) ("+-" equals "greater than less than")#k: KB#M: MB#G: GBExample:Find/etc-size 10k-ls

Find [Search scope] [search criteria]For example:Find/-name Install.logFind/-iname Install.log #不区分大小写Find/root-user Root #按照所有者进行搜索Find/root-nouser #查找没有所有者的文件Find/var/log-mtime +10#查找10天前修改的文件-10 files modified within 10 days10 10 days of modified files on the same day+10 files modified 10 days agoAccess time for-atime files-ctime changing file properties-mtime Modifying file contentsFind. -size 25k#查找文件大小是25k的文件, k is lowercase, if qualified m should be capitalized, such as 2M#后面不加单位, the def

不以txt结尾的文件名Find. -maxdepth 1-name "f*"-print #最大深度为1, which is the current directoryFind. -mindepth 2-name "f*"-print #最小深度为2, find it from the next level directoryFind. -type d-print #找出所有目录, excluding filesFind. -type F-print #找出所有文件, excluding directoriesFind. -type f-atime-7-print #7天内被访问过的恩所有文件Find. -type f-atime 7-print #打印出恰好在7天前被访问过的所有文件Find. -type f-atime +7-print #打印出访问时间超过7天的所有文件.-atime-mtime-ctime #都是基于天-amin-mmin-cmin #都是基于分钟Find. -type f-amin +7-print #打印出访问时间超过7分钟的所有文件Find. -type

search the Internet "Oracle" "CREATE TABLE" "syntax." Too much, I will not be attached here. Here is an example of how you feel. CREATE TABLE Test_user ( No number (5) NOT NULL,--PK Username VARCHAR2 NOT null--user name Passpord varchar2 NOT NULL,--Password Constraint Pk_connectdb primary KEY (NO) ) Storage (initial 10k next 10k pctincrease 0); * Explain the meaning of the above command in the following wa

] test1>startup nomount;ORACLE instance started.Total System Global area 417546240 bytesFixed Size 2213936 bytesVariable Size 268437456 bytesDatabase buffers 142606336 bytesRedo buffers 4288512 bytes11:00:12 [email protected] Test1>@/home/oracle/cr_db.sqlDatabase created.View Alarm log information (alert_cuug.log);[Email protected] dbs]tail-f/u01/app/oracle/admin/cuug/bdump/alert_cuug.logCreate tablespace SYSTEM datafile ' $ORACLE _base/oradata/test/system01.dbf ' size 400mDefault storage (initi

updatesJava-1.8.0-openjdk-demo-debug.x86_64 1:1. 8.0.101-3. b13.el6 _ 8 updatesJava-1.8.0-openjdk-devel.x86_64 1:1. 8.0.101-3. b13.el6 _ 8 updatesJava-1.8.0-openjdk-devel-debug.x86_64 1:1. 8.0.101-3. b13.el6 _ 8 updatesJava-1.8.0-openjdk-headless.x86_64 1:1. 8.0.101-3. b13.el6 _ 8 updatesJava-1.8.0-openjdk-headless-debug.x86_64 1:1. 8.0.101-3. b13.el6 _ 8 updatesJava-1.8.0-openjdk-javadoc.noarch 1:1. 8.0.101-3. b13.el6 _ 8 updatesJava-1.8.0-openjdk-javadoc-debug.noarch 1:1. 8.0.101-3. b13.el6 _

is small, so the low-level programmers have no chance to use Python as a daily work language, Python programmers have a high average wage, but to get "high pay" and specialized in Python is meaningless, because the level can not be the degree of learning Python is not going to raise its wages. The reason for the salary is not the language: Encoding quality Design capabilities Architecture Capabilities Business capability Work attitude ... Beijing Rookie 5000 or so 8000

1. the set command displays the definitions and values of all global parameters in the current shell. 2. find and delete small files in the current directory: find. -typef-size-10k-execrm {} \; description: www.2cto.com-typef search file-size-10k, less than 10k... 1. the set command displays the definitions and values of all global parameters in the current shel

Before you learn, you need to know who I am and whether I am qualified to share PHP knowledge with you, and I also need to make sure that you are suitable to participate in my sharing and whether there is a pre-knowledge reserve.0 Who am I?I was a former service in the Kingsoft Software game Operations Department, and then went to JJ, and later also with several brothers engaged in entrepreneurship (juaiwan.com) of the phper. The past programming experience is far from thick, but I decided to wr

14 + 39 + 33 = 86 bytes. The bucket structure requires 33 bytes, the key length of more than four bytes is appended to the bucket, and the element value is likely to be a zval structure, and each array will be assigned an array of Bucket pointers directed by Arbuckets, although it cannot be said that each additional element requires a pointer , but the situation may be worse. That's all. An array element takes up 54 bytes, almost the same as the estimate above. From a space point of view, the a

simple way to do this is to pass the channel, passing the logic that needs to be handled to some goroutine execution. In other words, create some goroutine to deal with some kind of logic, passing logic parameters through the channel. The remaining problem is the decentralization of external resource scheduling. The most common way to use Redis is with pipeline. RPC can also use long-link duplex mode calls. Simply let the various commands be executed together, not separately. Control Lock

, buckets are like a list node with specific data and pointers, and Hashtable is an array that holds a bunch of buckets. The implementation of multidimensional arrays in PHP, but there is another hashtable in the bucket. It takes 39 bytes to calculate a hashtable, and a bucket needs 33 bytes. An empty array needs to occupy 14 + 39 + 33 = 86 bytes. The bucket structure requires 33 bytes, the key length of more than four bytes is appended to the bucket, and the element value is likely to be a zval

35548/sec 170% 81mb/sec 1ms 5k 10155/sec 80D 55mb/sec 3 ms 1ms 10k 8740/sec 137% 98mb/sec 3ms 4ms 50k 1873/sec 128% 100mb/sec 16ms 19ms 100k 949/sec 128% 100mb/sec 33ms 43ms Netty Tps Cpu Network IO Art (average response time)

-in circuit and PS have some differences. There are also processor configurations such as Jrunner and so on, at least 10 kinds. For example, Altera Company's configuration mainly has Passive Serial (PS), Active Serial (AS), Fast Passive Parallel (FPP), Passive Parallel Synchronous (PPS), Passive Parallel Asynchronous (PPA), Passive Serial Asynchronous (PSA), JTAG and other seven configuration methods, wherein Cyclone support configuration has ps,as,jtag three kinds. 　　in the configuration of FPG

time. Use CNN can predict the word w obtained from an input image x . The structure of this CNN is similar to the above structure (as shown in Figure 2 ), but the last fully connected layer has a neuron to represent the encoding vector. The score from the fully connected layer can be expressed as the possibility of applying a logical function to each neuron, an n-ary grammar. Therefore, CNN learns the appearance of each n-ary grammar in the input image, so it is an n-ary grammar detector. Figur

7 days ago find . -type -atime 7 Search for all files that have been accessed for more than seven days find . -type -atime +7 Search for all objects that have been accessed for more than 10 minutes find . -type f -amin +10 Match by file size Find.-type f-size file size unit B: block (512 bytes) C: byte W: Word (2 bytes) K: kilobytes M: MB G: G bytes Search for files larger than 10 KB find . -type f -size +10k Search for files smaller than 10 KB find

;/*** * Diskfileitemfactory: Set disk space, save temporary files, just a tool class. * Constructor diskfileitemfactory (int sizethreshold, File repository): * Sizethreshold: * Set Cache Save (memory) to save how many bytes of data, default 10K. * If a file is not larger than 10K, use the memory directly and save it directly to the file. * If a file is larger than 10K