. 2, D (DO) -- software development. Develop software that meets specifications. 3, C (check) -- software validation. Confirm that the developed software meets your needs. 4. A (Action)-Software Evolution. The software is continuously improved to meet the customer's new needs during operation. These also apply to all aspects of life and work.
Principles 1, abstraction 2, Information Hiding 3, modularity 4, localization 5, certainty 6, consistency 7, completeness 8, verifiable "as a member of th
receiving intervals with the number of tokens. Graphics to assist in understanding:
The main difference between the token bucket and the missing Bucket Algorithm is:
The bucket leakage algorithm can forcibly limit the data transmission rate, while the token bucket algorithm can limit the average data transmission rate while also allowing burst transmission to some extent. In the token bucket algorithm, as long as there is a token in the token bucket, the data can be transmitted suddenly un
problems may need to be solved by re-installing the operating system. Microsoft cannot guarantee that you can resolve these problems. You are at your own risk to modify the registry. Install the patches described in this articleProgramYou can use registry settings to disable New Performance Status policy behaviors.
To do this, follow these steps:
1. Click Start, click Run, type regedit, and click OK ".
2. Right-click "HKEY_LOCAL_MACHINE/system/CurrentControlSet/control/Session Manager", po
MonkeyTestYesAndroidAutomated TestingMonkey testing is very simple. It simulates users' key input, touch screen input, and gesture input to see how long the device will experience an exception.
When monkeyProgramWhen a simulator or device is running, a random pulse is generated when a user starts a system-level event, such as a click, touch, gesture, or system-level event, therefore, you can use Monkey to perform related operations with random duplicates.Performance Testing.
Command: $ ADBSh
expression format for the specified family.Inet_ntop does the opposite, and if Len's value is too small to hold the expression result, it returns a null pointer and the error is ENOSPC. The StrPtr parameter of the Inet_ntop function cannot be a null pointer, the caller must allocate memory for the target storage unit and make its size, which is the function return value when the call succeeds.Socket functionTo perform network IO, the first thing a process must do is call the socket function, sp
events, and how to specify different proportions of the events already mentioned).If you insert a delay between events, use the parameter:--throttle 5000 Here The 5000 is the millisecond unit. With this option, you can reduce the execution speed of the monkey, and if you do not specify this option, monkey will not be delayed and events will be generated as soon as possible. -S Each-V of the-V command line increases the level of feedback information.A
Confirmation menu (as shown), click "Allow" to complete the setup.Intercepting SSL InformationCharles does not intercept SSL by default, and if you want to intercept all SSL network requests on a Web site, you can right-click on the request and select SSL Proxy, as shown in:In this way, all SSL requests for the host can be intercepted.6. Analog Network Slow speedWhen it comes to iphone development, we often need to simulate a slow network or a high-latency network to test whether the applicatio
in:After setting up, we open any program that needs network communication on the iphone, we can see Charles Pop-up iphone request connection Confirmation menu (as shown), click "Allow" to complete the setup.Intercepting SSL InformationCharles does not intercept SSL by default, and if you want to intercept all SSL network requests on a Web site, you can right-click on the request and select SSL Proxy, as shown in:In this way, all SSL requests for the host can be intercepted.Analog Slow networkWh
Plugin Description: Like Lazy load, echo.js is also a lazy-loading JavaScript for images. The difference is that Lazy Load is a jquery-based plugin, and Echo.js does not rely on jquery or other JavaScript libraries and can be used independently. And the echo.js is very small, less than 1KB after compression.CompatibilityEcho.js uses the Date property of the HTML5 and needs to get the value of the property, so it is not compatible with IE6, IE7. Although Lazy Load also uses the Date property of H
result of completing the task through the Receive-job, and finally remove-job to free the memory. The disadvantage is obviously more troublesome. And once more to run a few jobs gray often gray card!650) this.width=650; "src=" Http://s1.51cto.com/wyfs02/M02/7E/8F/wKioL1cEr4qx_OieAAB0fPHYMxI751.png "title=" 4.PNG " alt= "Wkiol1cer4qx_oieaab0fphymxi751.png"/>The second way is to create multiple runspace, which works like Invoke-command, with each remote session bound to a runspace. We can create
of operations generated by the two Tests is exactly the same, so this sequence of operations is pseudo-the machine;4) Parameters:--throttle Used to specify the delay between user actions (that is, events), in milliseconds;* Example: adb shell monkey-p com.htc.weather–throttle 3000 1005) Parameter:--ignore-crashesLets you specify whether monkey stops running when the application crashes (force close error).
in:After setting up, we open any program that needs network communication on the iphone, we can see Charles pop-up iphone request connection Confirmation menu (as shown), click "Allow" to complete the setup.Intercepting SSL InformationCharles does not intercept SSL by default, and if you want to intercept all SSL network requests on a Web site, you can right-click on the request and select SSL Proxy, as shown in:In this way, all SSL requests for the Host can be intercepted.Analog Slow networkWh
this period of time is executed, each time will be the front of the clear off, to ensure that the 100ms will only be executed once. Impress function throttling implemented by closures: function Throttle (FN, delay) { varnull; return function () { varThis, args = arguments; Cleartimeout (timer); = SetTimeout (function () { fn.apply (context, args); }, delay); }; Each of the two methods have
mainstream frameworks is usually used in this way to achieve repeated timing.
Function throttling
The timer is not only used for timing, but also can be used to relieve the pressure on the browser. Some computing and processing operations in a browser are much more expensive than others. For example, DOM operations require more memory and CPU time. continuous use of too many DOM operations may cause browser suspension, even crash.Function throttlingBasic IdeasYes,Some codes cannot be repeatedl
= self.viewController; [self.window makeKeyAndVisible]; return YES;}- (void)applicationWillResignActive:(UIApplication *)application{ // Sent when the application is about to move from active to inactive state. This can occur for certain types of temporary interruptions (such as an incoming phone call or SMS message) or when the user quits the application and it begins the transition to the background state. // Use this method to pause ongoing tasks, disable timers, and
. htc. Weather-v 100
Provides detailed logs, including information about each event sent to the Activity.
Log Level 2
Example adb shellmonkey-p com. htc. Weather-v 100
Describe the most detailed logs, including the Activity information selected or not in the test.
3) parameter:-s
Specifies the seed value of the pseudo-random number generator. If seed is the same, the event sequence generated by the two Monkey tests is the same.
* Example:
Monkey Test 1: adb shell monkey-p com. htc. Weather-s 1
?Generic type:VI: Exception handlingSeven: IO streamBorrow this picture to understand better1: If it is audio files, pictures, songs, with the word throttle better, if it is related to Chinese (text), with a character stream better.2: Input and output for the console, each stream (byte Fileinputstream,fileoutputstream, character Filereader,filewriter) corresponds to a file3: General common link flow is used to wrap the stream in 2 multiple times durin
1, Monkey Command introductionMonkey is a command-line tool in Android that can be run in the emulator or in the actual device. It sends pseudo-random user event streams (such as key input, touch input, gesture input, etc.) to the system, enabling stress testing of the application under development.Let's take a look at the monkey command.100000>e:\monkeylog\monkeyscreenlog.logThis monkey command refers to the creation of 100,000 pseudo-random operations (including touch, keystrokes, gestures, et
background color is toggled every hour.The problem with CSS expressions is that they perform more frequently than most people expect.Expressions are evaluated not only when the page is displayed and resize, but also when the page scrolls, even when the mouse moves on the page. One way to reduce the number of times a CSS expression executes is one- time expression, which is to replace an expression with a definite value when it is first executed. If you must set it dynamically, you can use the e
In our work often have such a demand, pull-up loading to implement the infinite load list of data such a function, this time the small partners may feel this function for a few minutes, so, the following code is mighty outWindow.addeventlistener (' scroll ', function () { //To determine if the scrollbar has},false to the bottom)It looks like there's nothing wrong with the code above, and then we'll add another piece of code to this code to seeWindow.addeventlistener (' scroll ', function () {
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