Test pressure when using a simple Linux monitoring tool Nmon, not only real-time monitoring, can also generate files with icon style display, small and practicalInstalling NmonNmon is actually a tarball directly extracted to the directory to be placed, and then directly run it can#tar-ZXVF nmon_linux_14i.tar.gz-c/data/program#./nmon_x86_64_centos6Note that if you don't want to write as complicated as you do, you can use alias to simplifyRunreal-time monitoring , direct input C (CPU) m (memory) a
Publish an efficient JavaScript parsing, compression tool JavaScript Analyser First a script compression example, showing the JSA syntax compression and optimization features.
try {
XXXX ();
}
catch (e) {
YYYY ();
Function F1 () {
}
}
finally {
Zzzz ();
}
function F2 (var1) {
var var2 = 2;
var var3 = 3;
var withobject = {Var2:-2}
With (Withobject) {
alert (VAR2);
}
}
Compression results (formatted for
1. View Linux specific version number informationFile/sbin/init2. Download the corresponding Nmon version numberhttp://pkgs.repoforge.org/nmon/3. InstallationRPM-IVH nmon-14f-1.el5.rf.i386.rpm4. collection of data1)./nmon_x86_rhel52-s10-c60-f-M.-S10 sets the data once every 10 seconds.-C60 Collection 60 times, that is, the collection of 10 minutes of data.-F generates a data file name that includes the time the file was created.-M The storage folder for the generated data files.2) Capture data
1. View Linux detailed version informationFile/sbin/init2. Download the corresponding Nmon versionhttp://pkgs.repoforge.org/nmon/3. InstallationRPM-IVH nmon-14f-1.el5.rf.i386.rpm4. acquisition of data1)./nmon_x86_rhel52-s10-c60-f-M.The-S10 collects data every 10 seconds.-c60 collected 60 times, that is, the acquisition of 10 minutes of data.-F generates a data file name that contains the time when the file was created.The storage directory of the data files generated by-M.2) Capture data snapsh
Publish an efficient JavaScript analysis and compression tool JavaScript analyser
A script compression example is provided to show the JSA syntax compression and optimization functions.
CopyCode The Code is as follows: Try {
// Xxxx ();
}
Catch (e ){YYYY ();Function F1 (){}}
Finally {Zzzz ();}
Function F2 (var1 ){VaR var2 = 2;VaR var3 = 3;VaR withobject = {var2:-2}With (withobject ){Alert (var2 );}}
Compress the results (formatted for easy
Installation Reference 74932124Analysis reference 51111899Download and install glibcHttp://ftp.gnu.org/gnu/glibc/8462768When libc. so.6 points to a version other than 2.14 or a required version, you need to manually copy the required version to the/lib64 directory to delete the soft link (Be careful with this operation !! This will cause the machine to fail and the command will not work! If this occurs, run the ldconfig command to save the field in time.) then restore the soft link.Ld_preload =/
JavaScript Analyser and javascriptanalyser
The JSA compression process is divided into two steps.
The first step is syntax compression, similar to Dojo ShrinkSafe, but more secure and effective than him.
Step 2: Text compression. CurrentlyJavaScript Compressor compression algorithm.Http://dean.edwards.name/packer)
You can set these settings in the settings window.By default, the file is compressed by syntax. When the file is larger than 90% bytes, and
other.Next, look at the Orders table:
Id_o
OrderNo
id_p
1
77895
3
2
44678
3
3
22456
1
4
24562
1
5
34764
65
Note that the "id_o" column is the primary key in the Orders table, and the "id_p" column in the Orders table is used to refer to people in the "Persons" table without using their exact names.Please note that the "id_p" column lin
The difference between the python keyword parameter and the named keyword parameter, and the python keywordKeyword Parameter
Variable parameters allow you to input 0 or any parameter. These variable parameters are automatically assembled into a tuple during function calling. Keyword parameters allow you to input 0 or any parameters with parameter names. These
instanceof keyword and instanceof keyword in PHP, instanceof key Words
Another new member of PHP5 is the instdnceof keyword. Use this keyword to determine whether an object is an instance of a class, a subclass of a class, or a specific interface is implemented and manipulated accordingly. In some cases, we want to de
JAVA Learning (7): Method overloading and method rewriting, this keyword and super keyword, and super keywordMethod overloading and method rewriting, this keyword, and super keyword
1. Method Overloading
Overload allows classes with the same name but different numbers and types of parameters to be passed to the method
Super Keyword:
Use super to invoke the composition of the parent class: the member variable of the parent class, the method of the parent class, and the constructor method of the parent class.
Note: Neither the Super keyword nor the This keyword can be used in static methods, but only in common methods (instance methods).
Access Properties:
Example:
Parent cl
Do SEO basically to the long tail keyword and target keywords should be very understanding, because our website generally only do two words, one is the target keyword, one is the long tail keyword. Often see someone say in these two words to do first, some people say to do the target keyword first, because that is our
Today on the Internet to see two articles, the discussion is the Web site SEO is the first keyword or long tail keyword this issue, one of the articles advocated the first keyword, another article that the website SEO to start from a simple long tail keyword.
In fact, this problem, I did not think before the site SEO,
Publish an efficient JavaScript analysis and compression tool JavaScript AnalyserA script compression example is provided to show the JSA syntax compression and optimization functions.Copy codeThe Code is as follows:Try {// Xxxx ();}Catch (e ){Yyyy (
Site title for keyword ranking to take an important role, but we found that the site title can write the keyword is not much, we can not put all the keywords are stacked on top, so not only will disperse the weight of title, but also affect the user experience, so we set the title, Should put their important target keywords on top, many sites now set site title is summed up in a sentence, and this can cover
PHPuse keyword overview, use keyword overview. PHPuse keyword overview, use keyword overview use keyword usage in PHP. Many open-source systems, such as the osCommerce framework, will find the keyword "use" in their source code, s
Detailed explanation of the volatile keyword and javavolatile keyword in java
I. Why should I have the volatile keyword?
It is estimated that many java beginners are confused by the volatile keyword. Although there are a lot of articles on the Internet discussing volatile, some of them talk too much about the underlyin
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