square brackets to intercept the characters in the list:#!/usr/bin/python List1=[‘Physics‘,‘Chemistry‘,1997,2000]List2=[1,2,3,4,5,67 ] print "list1[0": " Span class= "Hl-identifier" >list1[0 print "list2[1:5]: " list2[1:5 /span> The result of the above example output is:List1[0]: physicslist2[1:5]:[2,3,4 ,5] We can also modify or update the data items of the list, or you can use the Append () method to
the initial position of the line
list
Creates all the child bus bar objects and the alphabetic objects in the collection when initialized:
@Override
protected void onmeasure (int widthmeasurespec, int heightmeasurespec) {
super.onmeasure ( Widthmeasurespec, Heightmeasurespec);
Mwidth = Getmeasuredwidth ();//Get control width high
mheight = Getmeasuredheight ();
Mhacklines.clear ()//Empty collection
initplaydata ()//Initialize playback data
}
/**
* I
LineNum property is added, and you can choose whether to display line numbers.
Added the download attribute to download the code directly as a file.
Updated October 24, 2005
Modified the style sheet to make it appear more beautiful on Linux.
Updated July 20, 2005
Fixed a bug where some statements are too long to wrap.
Updated July 14, 2005
The XHTML checksum error was fixed.
Fixed a CSS checksum error.
Updated July 11, 2005
Fixed a bug that no longer appears on a blank line after the
), gets the type eTypeof event E. If HL, _ = Ep.eventconsumers[etype]; hl = nil {...}, according to etype get the event type of the processing chain HL, and to determine whether the type exists, if it does not exist will be ignored this event and continue continue to process the next event. Hl.foreach (...), calls the HL's foreach function , foreach traverses eac
pages. This tool is very suitable for the webmaster friends who value SEO.
URL: Http://www.google.com/webmasters/tools/?hl=zh_CN
Prerequisite Tools II: Analytics Statistical analysis tools
(Analytics statistical analysis tool)
This statistical analysis tool webmaster More, and the domestic 51la, CNZZ belong to the same type, but the function to be more powerful, if the webmaster did AdSense, in the Association analytics use is very
search box, the Web page starts exchanging data with the server in the background, and then gives you some of the entries you might need. All of this does not require a page refresh or press any button. And that's why apps like Gmail do so well for real-time spell checking.
How Ajax works
The complexity of Ajax is beyond the scope of today's elaboration, and is simply described here. The JavaScript code on your page can get in touch with your Web server without relying on the user. The ce
correct before proceeding.The payer's name or country/region name cannot be changed after this.
Second, waiting for a letter from Google
After two days, Google wrote the following:
Title: Welcome to _google_adsenseCongratulations to you!
Your Google AdSense application has been approved. Now you can enable your account, and in a few minutes you will start putting Google ads on your site and providing AdSense for searchAdSense).
Step 1th: Enable the account.Please visit Https://www.google.co
starts exchanging data with the server in the background, and then gives you some of the entries you might need. All of this does not require a page refresh or press any button. And that's why apps like Gmail do so well for real-time spell checking. How Ajax worksThe complexity of Ajax is beyond the scope of today's elaboration, and is simply described here. The JavaScript code on your page can get in touch with your Web server without relying on the user. The central function of this is the
Python Dictionary (Dictionary) copy () method descriptionThe Python dictionary (Dictionary) copy () function returns a shallow copy of a dictionary.GrammarCopy () method syntax:Dict. Copy() Parameters
NA.
return valueReturns a shallow copy of a dictionary.InstanceThe following example shows how the copy () function is used:Instance#!/usr/bin/python Dict1= {‘Name‘ ' zara age7}; dict2 = dict1 copy ( Span class= "hl-reserved" >print "New
More /proc/cpuinfo More /proc/meminfo More /proc/*infoLSPCI View motherboard information, etc.Cat/proc/cpuinfo CPU InformationCat/proc/meminfo Memory InformationUbuntu View disk space size command df-h DF command is a Linux system to view the file system as a disk partition, you can add parameters to view the disk remaining space information, command format: DF-HL display format: File system capacity is used available% mount point Fi
title : How to judge a binary tree is a balanced binary treedefinition :Balanced binary tree (AVL): 1, empty binary tree is AVL tree;2, if T is a non-empty two-fork search tree, TL and TR respectively is its Saozi right subtree, then when T satisfies the condition, T is an AVL tree: (1) TL and TR are AVL trees; (2) | Hl-hr| "=1,hl and HR are the heights of the Saozi right subtree, respectively.Example :algo
used (such as the use of disk space is 100% of the case of processing), which is why some disk space is not available to ordinary users.Such as:$ df-hl/dev/sda6Filesystem Size used Avail use% mounted on/dev/sda6 42G 34G 5.8G 86%/linux/sda6$tune2fs-m 0/dev/sda6TUNE2FS 1.41.3 (12-oct-2008)Setting reserved blocks percentage to 0% (0 blocks)$ df-hl/dev/sda6Filesystem Size used Avail use% mounted on/dev/sda6 42
Step one: Config to open multi-language support in the configuration file of your project' lang_switch_on ' =>true,//whether to open multi-lingual support' Var_language ' = ' hl ',//language variable' Lang_auto_detect ' =>true,//turn on automatic language detection' Lang_list ' = ' zh-cn,zh-hk,en-us ',//list of supported languagesThe above configuration reference CheckLangBehavior.class.php fileSecond step: Turn on Checklang behavior, create a new tag
:+=150px" width: ' += 150px }) Span class= "Hl-code", The Stop () method is used to stop animations or effects before they are completedThe Stop () method applies to all JQuery effect functions, including sliding, fading, and custom animations.8. $ (document). Ready (function () { $ ("button"). Click (function () {$ ("P"). Hide ("Slow", function () {Alert ("The paragraph is now hidden");});});}); callback function$ (document). Ready
by an integer):KB 1000,k 1024,mb 1000000,m 1048576, also G, T, P, E, Z, Y.Please report to Du's errorGNU coreutils Project Home:GNU Software general help:Please report du's translation errors to (2) Ubuntu view disk space size command df-h DF command is a Linux system to view the file system as a disk partition, you can add parameters to view the disk remaining space information, command format: DF-HL display format: File system capacity has been use
System Monitoring
View System Parameters
To view the number of CPU coresCat/proc/cpuinfo |grep "CPU Cores" | Uniq
View CPU ModelCat/proc/cpuinfo | grep ' model name ' |uniq
View Total MemoryCat/proc/meminfo | grep memtotal
View hard disk sizeFdisk-l | grep Disk
Processes and Ports
To view all process and port usage:
NETSTAT–APN or NETSTAT-TNL
To view port occupancy:
NETSTAT–APN grep 8080
Port Concurrent Connection:
Netstat-n |grep 80 | awk '/^tcp/{++s[$NF]} end {for (a in S) print A, s[a]
field defaults to the query field, which is generally specified by default.Raw Query Parameters: WT: Write type. Specifies the query output format, which is commonly used in JSON format and XML format. The query output format is defined in Solrconfig.xml: XML, JSON, Python, Ruby, PHP, Phps, Custom. Indent: Whether the returned results are indented, closed by default, with Indent=true | On open, the general debugging Json,php,phps,ruby output is necessary to use this parameter. Debugquery: Sets
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