, anti-delete, anti-grid, u disk surplus can be used as a common u disk.
3, one-button production, format-free upgrade.
4, support the old machine before the start of the USB acceleration.
5, support the original version of Windows XP, Windows7 system installation.
6, support the launch of custom ISO or IMG files.
7, support the starting background, PE background personalized settings.
8, built-in PE integrated full SRS drive, support more compu
Two days ago want to write a script with Python, batch access to RTMP server, to achieve the effect of concurrent live, search on the network, there is a python-librtmp library can be used, but this library is not installed, do not want to waste too much time, and then give up (back to study).
Then with degrees Niang fine search, found FLAZR this tool, support rtmp concurrent live function, can be used for concurrent live pressure test, immediately download and put into use.
This tool supports t
analyze the first frame of a TS file (SRS supports the TS file generated by HLS protocol)
1. PAT (Ignore)
2. PMT (Ignore)
3. First FRAME (PES Packet)
Usually a frame of data is a PES package. A PES package can typically be split into multiple TS packages (it is also possible to split into only one TS package, that is, the PES package is less than 188 bytes in length).
Pespacket==tspacket1+tspacket2+tspacket3+...+tspacketn PES Packet = = ts Packe
customers to query the problem databases.
File acess: Downloads a patch or patch set directly from the Oraclemetalink.
Entger SRs Online: Customers can generate, update, and close SR online.
SR Access and Reporting: Generate and view SR management reports.
User profile: Enables customers to access the latest contact information, add/Remove Support Service certification numbers, view other users registered with the same Support service certification n
Support
? Improved
?
Gis/srs
? Improved
?
Full Text Search
?
?
Scalability
Logical replication
?
? New
Semi-synchronous replication
?
? New
Declarative partitioning
?
? New
It used to be said that MySQL is best suited for online transactions and PostgreSQL is best suited for analy
processing and sets a smaller creation condition for the back-end buffers.
Cloud Server
Overall structure
service Agreement
SRS
Open source
1. Simple architecture and powerful function2. Main support RTMP protocol3. Cluster support
crtmp
Open source
1.c++ Development2. Rich Support Protocol3. Not good for cluster support
nginx-rtmp
Open source
1. Fully asynchronous model implementation, performance benefits2. In
route until the call is established successfully. Meanwhile, the ADR will update the route for the established call to the preferred roundabout route; if the available routes cannot be selected among all possible routes, the call fails. In this case, the original preferred routes are retained without updating them.
Pure Bureau trigger scheme: the main point of the scheme is that the business trigger will be completed at the same time by the Bureau, and no independent
manager of PHP components and runs in the command line.
Composer can work with Packagist. If you need to download components through Composer, Composer will obtain related components through Packagist.
The role of Composer is very important, dependency management and automatic loading will make you a headache, because the emergence of PSR-4, the dependency manager Composer will automatically generate an automatic loader that complies with the SRS sta
can specify the cpu for the worker process, as shown below:Worker_processes 3;Worker_cpu_affinity 0001 0010 0100 1000;
Here 0001 0010 0100 1000 is a mask, which represents 1st, 2, 3, and 4 cpu cores respectively. This makes the cpu usage evenly to each core.
Find a CPU running in a process:The output format of the ps command can be customized using the-o parameter. you can use the following command to display the execution CPU of the process:
# Ps-eo pid, args, and SRSParameter description:Pid?
more difficult to debug, expand, and maintain. This means that your team's efficiency will be reduced, including a lot of meaningless work.
PHP developers are lucky. Because of the recommended PHP coding standard (PSR), it consists of the following five parts:
PSR-0: automatic loading standard
PSR-1: basic coding standards
PSR-2: Coding Style Guide
PSR-3: log interface standard
PSR-4: auto load
The SRS were initially created and followed
After running top, press 1 to view the busy status of each CPU and IOWAIT. However, I want to see which process is executed on which CPU, and which process causes high IOWAIT. Take a closer look at mantop and finally find the method: after top is executed, press f, Press j, and then press space to exit. in this way, a column # C appears, you can see which CPU the current process is running. Press W (W in upper case) to write the top configuration to the configuration file. next time you press to
How does one use the Win10 built-in step recorder? Where can I save it ?, Win10 Recorder
The step recorder is provided in Windows 10. The step recorder can save the operation steps so that we can view them again. How can we use the step recorder in Windows 10? Let's take a look at the operation method.
On the Windows 10 system desktop, right-click the start button and choose "run" from the drop-down menu.
In the Open Run window, enter the command "
.
Troubleshooting:
This is because many CD-ROM players in computers do not support direct playback of digital audio on the CD disk with a speaker. Therefore, before using a USB speaker, be sure to see the compatibility of the CD-ROM driver.
After the USB speaker is installed as required, go to the control panel, go to the multimedia Properties window, and select the newly installed USB speaker as the preferred audio playback device. In addition, you should select the "This CD-ROM device can play
. This means that your team's efficiency will be reduced, including a lot of meaningless work.
PHP developers are lucky. Because of the recommended PHP coding standard (PSR), it consists of the following five parts:
PSR-0: Automatic Loading StandardPSR-1: Basic coding standardsPSR-2: coding style guidePSR-3: log Interface StandardPSR-4: auto loadThe SRS were initially created and followed by several major groups in the PHP community. Zend, Drupal, Sym
I believe many people have had such experiences. When we want to ask some experts some questions (such as some operations on office software and software faults) however, if this guy is separated from you, you cannot clearly describe it in just a few words or you don't know how to describe it. Or you are a master who wants to give a tutorial but doesn't want to say a word at all, one step at a time, the Win7 problem step recorder is a good assistant to you!
For those big and small problems, the
[] iptables-I INPUT-s []-j DROP
Num> 8 is set to the threshold value. In this sentence, more than a certain number of connections from the same IP address found in netstat-an are automatically included in the prohibited range. Change the local ip address to the ip address of your server.
42. How do I know the CPU on which a process runs? # Ps-eo pid, args, AND SrS
43. Count the files in the var directory in MB size and list them.
Find/var-type f |
course, you can implement a log system by yourself and store it in any media you want (such as File, Mysql, MongoDB, and Redis). This is also the case for many people. Of course, if you are too reluctant to do such a system for the time being, php also has native functions that allow you to record logs in the specified file and add them to any row in the program.
Error_log ('any string you want to record ', 3,'/Your/log file/path ');
The upstairs is good, and the error log can print arrays p
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