Label:Learning to focus on Nodejs for some time, recently in learning Nodejs related applications. Work often query database, data validation, involving Sqlserver,mysql, and so on, although there are client tools, but the total feeling is not convenient, occasionally contact the Sqlpad, feel is a good tool, can support a variety of databases, the common query sav
Tags: log analysis. GZ Query log container analysis pre yum NTA mysql slow queryOverviewMysqlsla is a very good MySQL slow query log analysis tool, and easy to use. Mysqlsla is a script written in Perl that requires support for PERL-DBI and per-dbd-mysql two modules.Installation Environment
CentOS 7.1
Percona 5.7
2. Installing dependent Packagesyum inst
CPU cache query tool in Linux
In Linux, you can use the following tool to query the CPU cache:
Method 1:
$ Lscpu
L1d cache: 32 K
Method 2:
$ cat /sys/devices/system/cpu/cpu0/cache/index0/size32K
$ cat /sys/devices/system/cpu/cpu0/cache/index0/level 1
$ cat /sys/devices/system/cpu/cpu0/cache/index1/size32K
$ cat /sys/d
Import java.util.List;Import Java.util.Map;/*** Database query tool class.**/public class Querytool {/*** Checks if is condition.** @param obj The obj* @return True, if is condition*/public static Boolean iscondition (Object obj) {if ("". Equals (getString (obj)))return false;Elsereturn true;}/*** Gets the string from the Object,null value into an empty string.** @param obj The obj* @return The string*/publ
Dash on Mac is a great API document management tool and a great tool for program development. I had expected dash to launch the Windows version, but unfortunately, the author Kapeli not. And at that time, he recommended zeal this open source project to me.Not long ago, Kapeli updated his blog, sharing a Windows API documentation tool-Velocity. Although developed
/opt/mysql/mysqllog/logfile/slow-query.log >/tmp/slowQuery.log #mysqlsla输出格式说明: Queries total: Number of queries, unique: Amount of SQL to go back Sorted by: Output report content sort Count:sql executions and total slow l Percent OG number time: Execution time, including total time, average time, minimum, maximum time, percentage of total slow SQL time the% of time: removal of the fastest and slowest SQL, coverage accounted for 95%SQL Execution time lock time: Wait for the lock the% of Lock: th
Online encoding query tool, encoding query, HTML Encoding
[Ctrl + A select all Note: If you need to introduce external Js, You need to refresh it to execute]
Recently, you need to query the coordinates of a location on AMAP. However, AMAP does not provide this function. Fortunately, AMAP provides javascript APIs, So we plan to write a coordinate query tool for ourselves and share it with you here. The Code is as follows:
When used, directly copy the above Code to a text file and save it as html. Open it in a browser
If you do not want to learn complex functions, if you do not want to learn more difficult VBA. But you want to do a good job of data disposal analysis. Well, come on! This course will be the best choice for you. Away from the complex, return to simple and intelligent.Let's take a look at what power query does. Let's show them first.650) this.width=650; "src=" Http://s2.51cto.com/wyfs02/M00/83/5C/wKioL1dxRy2hFYCeAAFhbIJWicA077.png "title=" 4. Data sour
From foreign programming Development Technology Forum code, the latest Google PR query tool Googlech function core code, get the latest Google PR value.
The code is as follows.
[code]Define (' Google_magic ', 0xe6359a60);function OBTAINPR ($data){$ret = Array ();$parser = Xml_parser_create ();Xml_parser_set_option ($parser, xml_option_case_folding,0);Xml_parser_set_option ($parser, xml_option_skip_white,1
Webmaster Network (admin5.com) December 4 News, today Baidu Webmaster platform release announcement, after the beta version and upgrade after the test, Baidu Webmaster Platform search Keyword query tool officially open. Webmaster only through the site verification, you can use the tool to query keyword data. Search key
From the well-known, the site in addition to innovation in the content construction, the construction of the chain is also very important, but how to let our website chain steadily increase, to where to increase the chain, which outside the chain in Baidu seems to be effective? This is undoubtedly from many webmaster very concerned about the problem.
Zac in its blog and interviewed several times in the suggestion that you use Baidu Webmaster tools outside the chain
Label:Before Windows mysql5.6.20 using mysqldumpslow.pl to analyze slow logs, today saw a tool pt-query-digest, originally intended to be installed on Windows, resulting in the execution of C: \ on Windows Program Files\mysql\mysql Server 5.6\bin>pt-query-digest.pl F:\mysql\im-slow.log > F:\mysql\slow_ Report.log, waiting for half an hour will not come out result
Reference: 5 kinds of MySQL log analysis tools to compete http://blog.csdn.net/gzh0222/article/details/103844751.mysql-log-filter Tool Script Usage instructions:An analysis tool found on Google code. Two executable scripts for Python and PHP are available. http://code.google.com/p/mysql-log-filter/(need to move ladder climbing wall), 51cto download Link:How to use: (This is the only way to use Python)Python
As we all know, the PR value is a standard that Google uses to show the page level. Its authority and representativeness are self-evident. However, the current domestic largest search engine giant-Baidu, has not yet released similar tools, can be called on the network Baidu can query the weight of tools are everywhere. Baidu weight This concept was originally proposed by the Love Station network, and issued a target for the so-called Baidu weight of t
returns only aggregate data in the result set, without the original verbose record, but compute can display detailed records, Use the COMPUTE clause to produce the sum of the f_price fields in the fruits table, requiring the query results to be sorted by the s_id field before returning the sum of the F_price fields. Use test SELECT S_id,f_price,f_name From fruits ORDER by s_id COMPUTE SUM (F_price); 10. Grouping subtotals using the COMPUTE BY clause
When we run discuz! in debug mode NT Project, we will find at the bottom of the page there is a data query analysis tool, very convenient. When we run a page, the operation of SQL can be at a glance. Of course, some can not be displayed on the page, such as multiple jumps, the final display is only one page of SQL. But it's also very convenient.This database query
In Linux, the Fuser tool can be used to query the user of the file, in addition, Fuser has many uses, can be used with parameters, the following small series will be for the use of fuser tools to give you a detailed introduction, I hope to help you.
Lsof also has a similar function, it can also find the process that is accessing the specified file, the difference is fuser it can kill the process that is ac
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