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If you want to shoot in slow motion mode, follow these steps: 1. Under the Standby page, click on "Camera". 2. Click the "mode" in the lower left corner of the screen. 3. Click "Slow Action". 4. Click the "Record" button to start recording. 5. When the recording is complete, click the "Stop" button. 6. Click on the "album" icon, you can
Tags: bar view view Ted Open OSC Soc Bash metaObjectiveIn development, high-performance programs also include high-performance queries, so optimizing SQL is also one of the necessary skills for programmers. To optimize, you must have slow logging to know which queries are slow, and then reverse the changesSlow log setup mode Write file Write to Database Practice how to: Write a fileEdit my
First, the environmentOs:centos Release 5.8 (64-bit)db:mysql5.5.17Second, the operation Delete the slow query log directly from the command rm-fThird, problems ariseSlow query log is not automatically generated, (if there is a backup, copy back again is not good to make)Iv. Methods of Solution Administrator Login mysql execute command flush logs;If, after execution, the prompt execution succeeds and the slow
1, PHP slow script log intermittent 502, is caused by the failure of the back-end PHP-FPM, intermittent 502 is generally considered to be caused by the restart of the PHP-FPM process. An intermittent 502 error occurs when the number of child processes in the PHP-FPM exceeds the number in the configuration, and if max_requests is set in the configuration, a 502 error occurs when the number is exceeded. 1, PHP slow
Although through Nginx Accesslog can record user access to an interface or the time spent on a webpage, but can not be clearly traced to the specific location or the function is slow, so through the php-fpm slow log, Slowlog setting allows us to see which PHP processes are too slow to cause problems with the sitePhp-fpm.conf has a parameter in the configuration f
Slow query log in MySQL is a very important feature, we can turn on the MySQL slow query log function, so that we can analyze the state and performance of each SQL execution to optimize.One, slow query log configurationTo turn on the slow query log, configure the sample:/etc/mysql/my.cnf[Mysqld]Log-
One: what is WiFiWiFi is a wireless connection technology, can be used in mobile phones, computers, PDA and other terminals. The purpose of WiFi technology is to improve the interoperability of wireless network products based on the IEEE802.11 standard, which means that WiFi is based on the 802.11 standard, but WiFi is not the same as wireless network.Second:the
PureftpdIt is a fast, high-quality, and fully functional ftp server. The most important thing is that it supports setting the Default Client encoding. Pureftpd is very powerful and useful, however, pure-ftpdwho is too slow or too slow to log on to. This problem has been bothering me for a long time. I have finally found out the answer and read it below! Sometimes, pure-ftpwho shows
Why not record slow queries ?, Slow recording(I) Background:At on May 18, I received a message from the front-end about player disconnection. I checked the CPU, slow query, and DB Request volume. No exception was found. The DB performance was as usual. (Ii) Identify the cause: INSERT INTO t (col1, col2, col3, col4, col5, col6, col7) VALUES ('3532082239485507011_
What is slow motion? Slow action is the same as fast action. In essence, are the technical methods to change the physical form of motion, the slow motion in television is usually done on the stunt table, the film is upgraded (slow motion) or degraded (fast motion) photography Usually the quick action in the movie is
MySQL Slow query log is a log record provided by MySQL, which is used to record the corresponding time in MySQL over the threshold of the statement, that is, the running time exceeds the long_query_time value of SQL, will be recorded in the slow query log. The default value for Long_query_time is 10, which means that the statement above 10S is running. Settings for the
Although through Nginx Accesslog can record user access to an interface or the time spent on a webpage, but can not be clearly traced to the specific location or the function is slow, so through the php-fpm slow log, Slowlog setting allows us to see which PHP processes are too slow to cause problems with the sitePhp-fpm.conf has a parameter in the configuration f
Tags: style blog http io file SP problem logInitial: Due to the high CPU consumption of the newly installed server, the response is not timely troubleshooting, because the environment based on the most basic lamp architectureThink of turning on MYSQL slow_query_log slow query log for reasons analysis;But after seeing the log content is a bit dazed "I clearly set slower than 2 seconds to record slow query" b
Address: http://hi.baidu.com/wuguohu/blog/item/6b518726d6ffda018b82a176.html I. Basic WiFi framework The Wi-Fi system of Android contains the following content from top to bottom: The wifi part is used as the Network Part in the Android system in the same way as the normal network. The only special part is the WiFi-related settings in the settings program. Th
This article takes the Realtek 8192CU WiFi module as an example to introduce the USB WiFi in Jelly Bean 4.1 debug notes.1, WiFi does not open the phenomenon overviewWiFi does not open refers to you in the UI settings under the WiFi option, set it to ON (open), but the end result is automatically turned off (off), the W
MySQL enables the log-slow-queries Method for slow query, logslowqueries A page of a common WEB site often needs to query n SQL statements to get the PAGE result. When the Website access speed is slow and the front-end has done a lot of optimization work, searching for database bottlenecks is also an important part of WEB optimization.MySQL provides a
Label:MySQL's "slow query" refers to an SQL statement that exceeds the maximum allowable query time ( long_query_time ), and the "unused index" query, by definition, is the SQL statement that the query statement does not use to the index.Slow query configuration and useAdd the following parameters to the Msyqld startup configuration file or command line parameters Long_query_time=1 Log-slow-qu
I. Basic architecture of WiFi1. WiFi user space programs and libraries: External/wpa_supplicant/ Generate libwpaclient. So and wpa_supplicant. 2. Hardware/libhardware_legary/WiFi/is the WiFi management library. 3. JNI: Frameworks/base/CORE/JNI/android_net_wifi_wifi.cpp 4. Java part: Frameworks/base/services/Java/COM/Android/Server/ The frameworks/base/
Disclaimer: This document is purely online data collection, and the copyright is owned by the source author. Please mark it as a reprinted article during reprinting. Now I have been familiar with the WiFi module of the Android platform for a while. Now I will make some brief summary for future reference and correction. [WiFi module learning process] I recently studied the Wi-Fi module and checked a lot of r
How to deal with slow update ?, Slow update Processing? Slow update:1. What are the pctfree parameter settings of the table?2. Is the execution plan indexed or full table scan?3. How to Write SQL statements?4. Is update slow or is commit slow?5. How much data is updated?6.
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