historical person

As for why it was decided that the external stylesheet was linked with the link href instead of the style SRC, it was probably because the sages thought that the stylesheet was more consistent with the characteristics of the external link resource, which was closer to the attached resource than the embedded content. Consider alternate stylesheets, for example, to link only one set of style sheets at a time, rather than loading them all.He ShijunLinks: https://www.zhihu.com/question/19708137/answ

Script: View historical SQL Execution Information SELECT * FROM (SELECT '1. v $ SQL '| 'instance No.:' | GV $ SQL. inst_id source, SQL _ID, plan_hash_value, TO_CHAR (FIRST_LOAD_TIME) begin_time, 'end_time, executions "No. of exec ", (buffer_gets/executions)" LIO/exec ", (cpu_time/executions/1000000)" CPUTIM/exec ", (elapsed_time/executions/1000000) "ETIME/exec", (disk_reads/executions) "PIO/exec", (ROWS_PROCESSED/executions) "ROWs/exec" FROM Gv $ SQL

, delegates are generally defined as ID types, and you need to read their documents to find out how they expect to be implemented. Besides, Classes that use these delegates must check their delegates to see if there is a specific way to implement the wood. There is no way to tell the compiler whether a given method needs to be implemented in a delegate class.With the introduction of Objc2.0, the delegate class can now use the protocol to define the type. In any case, classes that use delegates o

The resource root directory is set incorrectly.Eclipse, find the Windows->show view->other->snv->svn resource pool, open.650) this.width=650; "src=" Http://s3.51cto.com/wyfs02/M00/6D/92/wKioL1VmxL_CKPZaAAB3YsMPxcU506.jpg "title=" QQ Wubi unnamed. jpg "alt=" wkiol1vmxl_ckpzaaab3ysmpxcu506.jpg "/>Open properties.650) this.width=650; "src=" Http://s3.51cto.com/wyfs02/M02/6D/92/wKioL1VmxPPBD3ybAADDdPGrPho630.jpg "title=" QQ Wubi unnamed. jpg "alt=" wkiol1vmxppbd3ybaadddpgrpho630.jpg "/>Modify the re

Source History", pointing out nine most important historical facts (sorted by age) as follows: 1. 1980 -- Usenet appears; 2. 1983-GNU plan proposal; 3. 1989--20.bsd released; 4. 1991 -- the first release of Linux; 5. 1993-Red Hat was established; 6. 1994 -- start MySQL database development; 7. 1996 -- establish Apache server; 8. 1998 -- open source code of Netscape; 9. 2004-Ubuntu was officially released. The dispute is likely to occur in the last de

More and more machines are being monitored over time, and the amount of data being stored will be more and more, and the response rate will be slower when the data is at a certain time; so we need to clean up some historical data. #!/bin/bash user= "root" passwd= "xxxxxx" his_date= ' date-d $ (date-d "-90 Day "+%y%m%d" +%s ' #取90天之前的时间戳 tre_date= ' date-d $ (date-d " -365 Day" +%y%m%d) +%s ' #取365天之前的时间戳 $ (which MySQL)-u${user}-p${p

for Zeev and Andi), successfully achieved design goals and was first introduced in 1999 mid-year Php. The php4.0, which was based on the engine and combined with more new features, was released in May 2000, two years after the PHP3.0 release. In addition to higher performance,,php4.0 also includes some other key features, such as: support for more Web servers; httpsessions support, output caching (outputbuffering), more secure methods for handling user input, and some new language constructs.

for Zeev and Andi), successfully achieved design goals and was first introduced in 1999 mid-year Php. The php4.0, which was based on the engine and combined with more new features, was released in May 2000, two years after the PHP3.0 release. In addition to higher performance,,php4.0 also includes some other key features, such as: support for more Web servers; httpsessions support, output caching (outputbuffering), more secure methods for handling user input, and some new language constructs.

My projects are uniformly using the UTF-8 encodingCheck the current version, or commit to the SVN server, or checkout out the code is normal,Inside eclipse, or the text file editor opens, you can see the correct content.However, in the local file and SVN remote file comparison, all the Chinese in the remote file is garbled, as shown in:And through the SVN interface directly open remote files, the display is garbled.Really depressed, so that can not distinguish between the file differences.After

Protocol to prevent the development of free software from being exploited by others to become proprietary software. Free software with a GPL license has the following features: Access to software and source code Copy Modify Redistribution: But you cannot have a GPL licensed free software to cancel the GPL after you modify it Why are Linux developers now selling Linux, the GPL-licensed software? Because their main sales are after-sales service, such as: Relat

/ Springsource-tool-suite-2.9.1.release-e3.7.2-updatesite.zipsts-2.9.0: http://download.springsource.com/release/TOOLS/update/2.9.0.RELEASE/e3.7/ Springsource-tool-suite-2.9.0.release-e3.7.2-updatesite.zipsts-2.8.1: http://download.springsource.com/release/TOOLS/update/2.8.1.RELEASE/e3.7/ Springsource-tool-suite-2.8.1.release-e3.7.1-updatesite.zipsts-2.8.0: http://download.springsource.com/release/TOOLS/update/2.8.0.RELEASE/e3.7/ Springsource-tool-suite-2.8.0.release-e3.7.1-updatesite.zipsts-2.7

1, take 1.6 For example, find the corresponding version$Yum--showduplicate List java* |grep 1.6Java-1.6.0-openjdk.x86_641:1.6.0.41-1.13.13.1. El6_8 base Java-1.6.0-openjdk-demo.x86_641:1.6.0.41-1.13.13.1. El6_8 base Java-1.6.0-openjdk-devel.x86_641:1.6.0.41-1.13.13.1. El6_8 base Java-1.6.0-openjdk-javadoc.x86_641:1.6.0.41-1.13.13.1. El6_8 base Java-1.6.0-openjdk-src.x86_641:1.6.0.41-1.13.13.1. El6_8 Base2. Install the corresponding versionYum Install java-1.6. 0-openjdk.x86_64CentOS Yum Install

Small knitting to teach you win8 how to use file history data to save files in a computer. A tutorial on how to save historical file data under Win8 system 1. After opening the computer, we directly press the shortcut key win+i, this will pop up a setup interface, we directly select the settings in the Control Panel function. 2. In the interface of the control Panel, we find and select the system and security "Save your backup copy of files

360 browser has the ability to view history, in the toolbar can be seen, too much history to occupy the mobile memory, so we have to clean up the record in time, the following is a detailed introduction to the tutorial. 360 How does the browser look at the historical record? 1, open 360 Browser, click on the right tool, select history. 2, in the browsing history on both sides of the arrow, click on the previous arrow, you can view the previo

install-y bash-completion)3.alias aliases:To set the custom alias:Alias name = ' The name to be replaced 'Alias restartnet= ' systemctl restart Network.service 'To cancel a custom alias:Ualias restartnetwhere alias is definedEach user has their own configuration alias file ~/.BASHRCls/etc/profile.d/Wildcard characters1. *: Indicates 0 or more characters2.? : represents an arbitrary character3.ls [0-3].txt[Range] Any one satisfies the condition, takes only one.4.ls {1,2,3,a}.txt take a 1 or 2 or

The command history mechanism of the shell environment in Linux provides users with great convenience, and also poses a potential risk to users. As long as the user's command history file, the user's command operation process will be sweeping, if the command line has been entered in plaintext password, then inadvertently the server's security fortress has a more notch.In the bash terminal environment, the number of record bars for history commands is controlled by the variable histsize, which de

Description Add Add a Session Object Clear Clears all values in the session state CopyTo Sets the set of session-state values in a one-dimensional array of rich islands Remove To delete an item in a session-state collection RemoveAll Clears values for all session states Asp. NET to count the number of online and historical visitors,

Just see PHP has a two star said: this year with DW writing program is a historical setback. Then ask what you use to write the front desk? Are there tools that are more efficient than DW? Aptana Framework? ExtJS? jquery UI? Or the other? No other meaning, purely discussion of the front desk what tools efficient and practical? ------Solution-------------------- notepad++ ... Write an HTM page I'll just use this, PHP or ZS. ------Solution------------

Let me explain some historical stories ...... When I thought about the game of 3DM hanhua I community, Mufeng website administrator war3andc. S (agent) often stole 3DM's chinhua, which gave the Chinese group a headache. After cracking the 3DM Chinese patch, replace it with your own name, and change the name to "XXXX Chinese patch final perfect version", which deceives many gamers who do not know the truth. The hard work of the Chinese group is only t

The biggest problem with the previously designed database is that it cannot display the status information of the past time, but only records the operation records of a single information. So there will be some problems, for example, there are 32 people in the class in 1st day of last month, and a person dropped out a few days ago, then the information of this class is 31 people, there is no way to display the previous 32 people's information. This is