first gen 3ds

After tornado's coroutine was released, the coroutine concept was enhanced. in asynchronous programming, the original gen. engine was replaced and changed to the current gen. coroutine. The decorator was originally designed to simplify asynchronous programming in tornado. Avoid writing callback functions to make development more in line with normal logic thinking. A simple example is as follows: Class Mai

In Evenlist) squarelist. Add (I * I ); Return Squarelist ;} Theoretically, this method is indeed inferior to the following: StaticListInt> Evensquarefast (IenumerableInt> Source ){ListInt> Result =NewListInt> ();Foreach(VaRIInSource ){If(I % 2 = 0) result. Add (I * I );}ReturnResult ;} In the second method, you can filter data directly in a traversal and convert the data directly. The first write method divides the method into two steps based on the "function description". Filter and c

High-performance ASP. NET Site build series Article Directories Use of CLR counters We use the built-in performance monitoring tool to track and monitor the garbage collector. Next, we will first introduce several common CLR performance monitoring counters. We generally look at the counters under the. net clr Memory category: Percent Time in GC It indicates the percentage of the total time taken to run the garbage collection mechanism from the last time it was run. It must no

Optimization-monitor CLR Performance CLRCounter usage We use the built-in performance monitoring tool to track and monitor the garbage collector. Next, we will first introduce several commonCLRPerformance monitoring counters. Net CLR memoryCounters Under classification: Percent Time in GC indicates the percentage of the total time taken to run the garbage collection mechanism from the last time it was run. 10% .

),User get (1: string uid ),} 2. Generate a c ++, java, and python code frameworkShell code favorites code Thrift-r -- gen cpp acsuser. thriftThrift-r -- gen java acsuser. thriftThrift-r -- gen py acsuser. thrift In this case, the subdirectories gen-cpp, gen-java, and

returned multiple times to pause code execution in the function body The test code is as follows: >>> Def gen_example ():... print 'before any yield '... yield 'first yield '... print 'between yields '... yield 'second yield '... print 'no yield anymore'...> gen = gen_example () >>> gen. next () # Call nextbefore any yield first yield for the first time> gen. ne

) # Load constant 13 Store_fast 0 (x) # x is assigned a value of 16 6 Load_const 2 (9 Make_function 0 # Create function1 Store_fast (BAR)9 Load_fast 1 (BAR)Load_fast 0 (x)Call_function 1 # Call functionReturn_valuewhichThe first code line number of the behavior;Second behavior offset address;The third act bytecode instruction;The four behavior instruction parameter;Explanation of the behavior parameter five.Generator Source AnalysisBy the above understanding of the call stack, it is easy to unde

dis Dis (foo) 5 0 Load_const 1 (1) # Load constant 13 Store_fast 0 (x) # X assigned to 1 6 6 load_const 2 ( 9 Make_ function 0 # Create function store_fast 1 (BAR) 9 Load_fast 1 (BAR)0 (x) load_fastCall_function 1 # Call functionReturn_valuewhich The first behavior code line number;The second behavior offset address;Third act byte Code instruction;The four-act instruction parameter;The behavior parameter explanation.Generator Source Analysis From the above understanding of the ca

Preparing for Oracle Installation The following parameters are appended to the end of the/etc/system file, and both hosts need to be modified: * kernal parameter for Oracle database add By:gqgaiset shmsys:shminfo_shmmax=4294967295set shmsys:shminfo_shmmin=1set Shmsys:shminfo_shmmni=100set Shmsys:shminfo_shmseg=10set Semsys:seminfo_semmni=1024set semsys:seminfo_semmsl= 1510set Semsys:seminfo_semmns=3010set Semsys:seminfo_semopm=100set semsys:seminfo_semvmx=32767 Reboot host after modif

6. Installation TestAfter installation thrift-version View the version information, indicating that the installation was successful.Thrift version 0.9.0 7. Self-brought example test There are examples of thrift in the Tutorial directory where we test the CPP example. Enter the Tutorial directory, Shared.thrift and Tutorial.thrift are interface definition files. Executing the thirft-r--gen CPP Tutorial.thrift, you can generate the

: Linq condition queryvar result = collection. Asqueryable. Where (item =gt; item. Amount gt; 2399927). Take (100);Console.WriteLine (Result. A (). Tojson ());Scenario Four: Linq Skip versionvar result = collection. AsqueryableConsole.WriteLine (Result. A (). Tojson ());Performance Comparison ReferenceThe test code here later I upload, the specific implementation is to use the old Zhao (my idol ah ~) Codetimer to calculate performance. In addition, I run the code is used Testdriven Plug-ins to r

Installing Tornado Easy to use Grequests library directly, the following is the tornado of the asynchronous client. Asynchronously used the tornado, based on an example of an official document, to get a simple asynchronous crawler. You can refer to the latest documentation under learning. Pip Install Tornado Asynchronous crawler #!/usr/bin/env python#-*-coding:utf-8-*-import timefrom datetime import timedeltafrom Tornado import httpclient, Gen, I O

set to Null and no root points to c2 in the managed heap, it will be treated as garbage. Phase 2: Compact compression stage. After all the garbage is marked, their memory space is released. The memory space becomes discontinuous and these objects are moved in the heap, this allows them to re-arrange from the heap base address, similar to the disk space fragmentation. Improvement of garbage collection algorithms-generation It takes a lot of time to scan all objects for garbage collection. To

heap, and it is considered garbage.Phase 2:compact The compression phase, after all the garbage is marked, frees up their memory space, the memory space becomes discontinuous, and the objects are moved in the heap so that they are re-arranged from the heap base address, similar to the defragmentation of disk space.Improvement of garbage collection algorithm-generationalWhen it comes to garbage collection, scanning all objects will be time-consuming, and in order to optimize the process, a gener

_. '/log ');$ Logger-> send ('Foo ');$ Logger-> send ('bar ') As you can see, yield is used as an expression instead of a statement. That is, it has a return value. The returned value of yield is the value passed to the send () method. In this example, yield first Returns "Foo" and then "Bar ". In the above example, yield serves only as the receiver. It is possible to mix the two methods, that is, either receive or send. The following is an example of how to send and receive messages: The code

a return value. The return value of yield is the value passed to the Send () method. In this example, yield will return "Foo" first, and then return "Bar". In the above example, yield is only used as the receiver. It is possible to mix two usages, which can be either received or sent. Examples of how incoming and outgoing communications are performed are as follows: Copy the Code code as follows: Function Gen () {$ret = (yield ' yield1 ');Var_dum

') As you can see, here yield is not used as a statement, but as an expression. That is, it has a return value. The return value of the yield is the value passed to the Send () method. In this example, yield will first return "Foo" and then return to "Bar". In the example above yield only as a receiver. It is possible to mix two uses, that is, to receive and to send. Examples of how communications are received and sent are as follows: Copy Code code as follows: Function

resources. Combined with textureloader, you can easily load the texture of an external model. 4. External Model Alternativa3d supports loading and parsing external models. The supported model file formats include: *. Dae, *. A3d, *. 3DS. *. Dae is an XML-based Collada model file. *. a3d is a specialized alternativa3d model file, and *. 3Ds is the format used by 3DS