In peacetime operation and maintenance work sometimes need to be based on different remote nodes or different IP systems to do different configuration deployment. For example, ansible can do different processing of the configuration files on each node according to different IP addresses, and variables are needed here.You can define variables directly in the playbooks file:-Hosts:webservers vars:http_port:80A variable named Http_port is defined with a
Directory
Handlers
Playbook Case 2 handlers
VARs variable
Setup Facts Variable Usage
Case
Defining variables in Inventory
Case
Condition test
When statement
Case
Handlers
Follow up on an article Ansible playbooks introduction and use a continuation note
Used to take certain actions when the resources being followed are
idempotent featuresEach task must have a name, so that when the playbook is run, the task execution information from its outputis a good way to identify which task it belongs to, and if no value of name,action is defined, it will be used asMarking a specific task in the output informationIf you want to declare a task that previously had a format: Action:module options, it is now recommended to useThe more common format module:optionThe following is a basic task definition, Service module uses k
Handlers action to take when a change occursmodule has idempotent, so when the remote system is changed, you can replay playbooks to achieve recoveryObjective. The playbooks itself can identify this change, and there is a basic event system that canRespond to this changeNotify actions are triggered at the end of each task in playbook, and even if there are many differentTask notification changes occur, noti
Playbooks Concept:Tasks:Tasks: Specific operational tasks that are supported by each module:Example:-M user-a ' name= password= 'Variables:Variable:Templates:Template:After defining the template, you can implement the variables corresponding to each node to replace the expression itself according to the current nodeThe assigned value is used to perform the operation, and the resulting value is given this parameter for generating configuration files of
see general failure information, and serious "unreachable" information. The two are counted separately.If you want to see the output of a successful modules, use--verbose flag (otherwise only the output information will fail to execute). This is available in 0.5 and later versions.If the Cowsay software package is installed, the output of Ansible playbook has been extensively upgraded. You can try it!Before executing a playbook, to see which hosts the playbook execution will affect, you can do
Before going into the review, let's look at the Pro 5 basic hardware parameters, as detailed below.
Phantom Pro 5 Basic parameters
Main screen Size
5.7-inch 1920x1080 resolution (386PPI)
Fuselage size
156.7x78x7.5mm (168g)
CPU model
Samsung Exynos 7420 (64-bit eight core)
RAM capacity
3GB/4GB DDR4 Memory
ROM capacity
32GB/64GB (TF storage card extension suppor
Recently, the charm of the family released the charm of the Blue 5 of the entire new generation of the Blue series, still positioning thousand machine market, still equipped with Mback key, support the positive home key fingerprint identification and Mback key touch return function. In addition, the charm Blue 5 not only support fingerprint unlock, but also support micro-letter and Alipay fingerprint payment, from now on can be farewell wallet. So, the Phant
To the U.S. Mito software users to detailed analysis of the Phantom Map to share the production of the tutorial.
Tutorial Sharing:
1, with the United States Mito open a picture to be modified.
2, then click to beautify---pull the drawing pen-hand-pull figure
3, use the mouse along the heroine's contour to pull the map, and then click on the lower right corner of the "Save clip Good picture"
What about the Phantom Pro 5 phone?
The Phantom Pro 5 is equipped with the Samsung Exynos 74,208 nuclear 64-bit processor, which integrates the mali-t760 eight-core GPU and uses a 14nm 3D FinFET process. It also uses 3GB/4GB LPDDR4 memory and UFS2.0 Flash. But judging from these four parameters, The Phantom Pro 5 is indeed the annual flagship product,
Exynos 7420
First try phantom 4 engine feelings, first try Phantom Feelings
I downloaded the source code and compiled environment of unreal 4 in the last two days and tried it a little. Without in-depth research, I ran a few samples, looked at the editor environment, and did not even read the c ++ code. Therefore, it is not qualified to fully discuss the world's most advanced game engine. However, I do not intend to co
1. We first turn off the MX4 Pro shutdown phone, the condition is set the fingerprint password MX4 Pro mobile phone
2. After we press the cell phone volume + key, and then press the power button to boot details as follows.
3. Then we are on the phone's "System Update"-"Clear Data"-"start". This will restore the factory settings after the phone's fingerprint password is not.
All right, here we go. Finally on the elimination of the Phantom
First look at the configuration:
The Phantom Blue Note is a 5.5-inch 1080p screen with a built-in MediaTek MT6752 eight core processor and a 2GB RAM,GPU model for mali-t760. Photographed with a 5 million-pixel front + 13 million pixel rear camera combination, using a one-piece fuselage design battery capacity of 3140 MA, the lowest price of 999 yuan.
The Phantom Blue Phone is a 5-inch
affected (0.01 sec) mysql> select * from rr_100; +----+-------+
| ID |
Value | +----+-------+
| 1 |
A | +----+-------+ 1 row in Set (0.00 sec) No transactions are turned on at this time, no duplicate reads occur, after the transaction is opened: Session A:ses
Sion b:mysql> start transaction;
Query OK, 0 rows Affected (0.00 sec) mysql> select * from rr_100;
Empty Set (0.00 sec) mysql> INSERT into rr_100 values (1, ' a '); Query OK, 1 row Affect
1 Open the Phantom Blue Note "album" Click "Cloud Album" in the "Log in Cloud album", Landing Cloud click "FlyMe account Login." (pictured below)
2 after landing, set up the directory to back up to achieve backup. (pictured below)
Cloud album Space is limited, we can do if the space is not enough to expand capacity to 40TB method
Open the Phantom Blue Note mobile "set" click "Account" to cho
The Charm Blue Note adopts the integrated fuselage design, the card slot is located on the right side of the fuselage, needs to use the Kari that takes out the card slot, then completes the SIM card installment. Therefore, the Charm Blue Note installs the SIM card the first step, is uses the card needle to remove the card slot, as shown in the following figure.
Charm Blue Note Using a single card slot dual design, close to the internal card slot for SIM2, near the external card slot for
at present, the Phantom route has prepared four of the most commonly used Internet methods: Automatic Internet access (DHCP), dial-up Internet access (PPPoE), manual Internet access (static IP), and wireless relaying.
There are two ways of setting up:
1. Through the mobile client-the Phantom router app settings;
2. Through the Web page to set up.
According to your own actual situation, you can choose a
the xact_abort mechanism to ensure the atomicity of transactions)
Lists common problems and causes in transactions: dirty reads, uncommitted reads, non-repeatable reads, Phantom reads , etc.
The isolation level of transactions in SQL Server and how they do avoid dirty reads, uncommitted reads, non-repeatable reads, and Phantom reads (which describe these issues in code and use the chronological ord
MySQL InnoDB Transaction isolation level dirty read, Repeatable read, phantom read
MySQL InnoDB transactions are isolated at four levels. The default value is repeatable read ).
· READUNCOMMITTED ). Another transaction modifies the data but has not yet committed it, And the SELECT statement in this transaction reads the uncommitted data (dirty read ).
· READCOMMITTED ). This transaction reads the latest data (after other transactions are committed ).
Tags: action base row It lock represents time res this hold MYSQOriginal text: A brief analysis of the locking problem of SQL Server to prevent the range lock of Phantom read under Serializable isolation level The source of this article: http://www.cnblogs.com/wy123/p/7501261.html(It is not the original works right to retain the source, I my book still far to reach, just to link to the original text, because the following may exist some errors to amen
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