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The first step, configure the network card address is 192.168.48.2Step two, install DNSStep three, set up the DNS service650) this.width=650; "src=" https://s5.51cto.com/wyfs02/M02/95/AA/wKioL1kYSXTANg4HAAHJB0jMui4859.jpg "style=" float : none; "title=" dn1.jpg "alt=" Wkiol1kysxtang4haahjb0jmui4859.jpg "/>650) this.width=650; "src=" https://s5.51cto.com/wyfs02/M01/95/AA/wKioL1kYSXawIpNLAAGdxf0bPLY969.jpg "s

The content of this section1. List, tuple operations2. String manipulation3. Dictionary operationPython Three mesh operations>>> A, B =>>> A1>>> b2>>> C=a if a>b else b>>> C2Enumerate #函数用于遍历序列中的元素以及它们的下标names = [' AA ', ' BB ', ' cc ', ' dd ', ' ee ', ' ff ', ' GG ']For Index,name in Enumerate (names):Print (Index,name)(0, ' AA ')(1, ' BB ')(2, ' CC ')(3, ' DD ')(4, ' EE ')(5, ' FF ')(6, ' GG ')1. List, tu

I. Permissions for directories and files under LinuxChown Change the owner of a file or directory, the owning group/ETC/PASSWD configuration file holds user informationUseradd adding userschown owner: Owning group file or directoryChown-r to change all permissions for files under directories and directoriesChown-v visual display of permission changes[[emailprotected]tmp]#chownuser1:rootaa[[ EMAILNBSP;PROTECTED]NBSP;TMP]#NBSP;LSNBSP;-LDRWXR-XR--. 2user1root4096mar NBSP;18NBSP;16:41NBSP;

": 3} {"_ id": ObjectId ("55700b17f2824fa15224e20e"), "time": ISODate ("2015-06-04T08: 23: 51.531Z ")}> db. jerome_2.collection.find () # {"_ id": ObjectId ("557004f1f2824fa15224e20b"), "x": 2} {"_ id ": objectId ("557005a5f2824fa15224e20c"), "x": 1, "y": 2, "z": 3}> Use Limit 1. The value stored in the expired index field must be of the specified time type. (It must be an ISODate or ISODate array and cannot use timestamp; otherwise, it cannot be automatically deleted) 2. If the ISODate array is

source host receives the ARP response packet, add the IP address and MAC address of the target host to your ARP list and use this information to start data transmission. If the source host has not received the ARP response packet, ARP query fails. For example: A address: IP: 192.168.10.1 MAC: AA-AA-AA-AA-

)' 0newbility '>>> Name.zfill (1)' Newbility '>>> Name.zfill (20)' 00000000000newbility '>>> Name.zfill () isalnum ()True>>>Maketrans and translate in strList Pop returns the value taken out of the list, and the list changes>>> A[' 1 ', ' 1 ']>>> li = List (' AA ', ' BB ', ' cc ', 8,9)>>> Li[' AA ', ' BB ', ' cc ', 8, 9]>>> Li.append (a)>>> Li[' AA ', ' BB ', ' c

unmanaged object, which means C #Unable to automatically release and d://a.txt the connection. What, what about unmanaged code?For the second question, when will the GC be recycled and what objects are recycled? I don't think I need to say the back, of course, the collection of managed objects. But when does the GC recycle? It's like this: The GC is random, no one knows when he's coming, and I wrote an example to prove it.private void Button1_Click (object sender, EventArgs e){

First, awk uses ordinary variables in the shell Method 1: Use the quotation mark method Aa= "Hello" awk ' BEGIN {print ' $aa '} ' Output $AA awk ' BEGIN {print ' $aa '} ' Output Hello awk ' BEGIN {print ' ' $aa '} ' Output empty Aa