Very simple, inkcanvas do not need to introduce more, it is a panel, the feature is that you can smear on it, like those monsters on the street, the cosmetics to the face of the graffiti, painted people not like people, chicken not like chickens.
Inktoolbar is a ready-made toolbar, you can choose graffiti tools, such as ballpoint pens, pencils, erasers, rulers, etc., old weeks remember, these are the old weeks in kindergarten when the necessary set. Alas, you think, we at that time, there is a P mobile computer play, before going to school to play clay figurines, after school play paper people, in class play Eraser, after class play chalk rub. Every time I hear Luo "childhood", do not have a taste, how good childhood time, a blink of an eye, the sea has become Kuwata, Kuwata and become the sea, the world is constant impermanence, and live and cherish.
Weak net test, is running on the basis of function test, the main concern is the C end &s End performance:
C-End concern: Network status detection and send and receive message timeout processing, UI block user action, to avoid generating message accumulation after recovery and back-end and after the resumption of the hidden wire re-connected processing (user experience);
S-end concern: To verify that the weak network environment generated after the concurrency of the function of its logic is normal, example-Multiple collection of mail, no injury to kill boss, broken wire re-connected, multiple gem synthesis and so on;
Another point is that, in a weak network environment, how much MS latency affects the user experience, which is the benchmark for performance test metrics.
Yargs is a NPM module used to complete command-line argument parsing, back to the era of Shell Development command line, Getopts is the first generation of command-line parameter resolution tool, through the shell + python = node. js
iterations, the command-line argument resolver actually does not have much evolution, and their purpose is always to parse the parameters passed in from the command line into the specified format for the program to use
Although there is not much change, but because the development of a command-line parameter resolution module is relatively simple, so the node community there are many similar to the Yargs of open source projects, here is a simple list, interested can get to know,
Then choose the items you like to use.
Note: After executing this statement, if there is a Gtid incompatible statement usage, in the error log will record the relevant information, then need to adjust the program should avoid incompatible wording, until completely did not produce incompatible statements, you can go through the program to troubleshoot all the SQL, you can also set the error log after a period of observation , this step is very important.
In the previous poster-making article, the calculation of the various positions in the clipping time was mentioned. This use is calculated the same way as last time. Finally, you get the X, y, and width height of the crop box and the picture separately.
In reality, in order to save development costs, many small and medium-sized enterprises are difficult to complete separation of the front and rear end, In addition to the current domestic use of react.js companies may be too little, and then toss to write a jquery version, combined with the MVC template page has achieved the same effect (code volume), interested partners can also try to write a angular or Vue version, use it really can write a lot less code.
Description: In the threadlocal source code, there is a comment I quote here, such as. This class provides thread-local (thread-local) variables. These variables are different from their ordinary counterparts, because each thread that accesses a variable (through its Get or set method) has its own local variable, independent of the initialized copy of the variable. ThreadLocal instances are typically private static fields in a class that want to associate the state with a thread (for example, a user ID or transaction ID).
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hg0088 new 2 Web site: Already ready to use the package directly can be fully functional