Many times, in the case of crawling without login, we can also access some of the pages or request some interfaces, because after all, the site itself needs to do SEO, will not set the login restrictions on all pages.However, there are some drawbacks to not logging in to direct crawling, and the following two points are the main drawbacks.
The page that has the login limit set cannot be crawled. If a forum is set up to see Resources, a blog set up login to see the full text, and so on,
The pop-up window of flash geturl or navigatetourl is blocked by ie.Ie7 and firefox (my version is 2.0.0.11) will prevent the navigatetourl method from opening a new window, while the geturl method in as2 will not, which is unpleasant. Since the project has selected as3 development, you can only find a solution.The first thing that comes to mind is externalinterface. The test finds that it will still be blocked
Baidu Japanese site (baidu.jp) has recently been blocked by GFW, and Chinese users are no longer able to access Baidu Japanese site through www.baidu.jp. Ten ministries and commissions in China are conducting a special campaign to combat internet pornography. On September 11, April 12, the national teleconference on the special campaign against Internet pornography was held in Beijing. Baidu's Japanese site is
You can restrict the upload or download of a specific file type. Each web applicationProgramAll maintain a list of blocked file types based on the file extension. For example, files with the extension. EXE may run on the client computer and contain maliciousCodeTo block such files.
By default, many file types are blocked, including the types of files that are considered Executable by Internet Explorer. By
When we develop the registration interface, the last few registration conditions are often easily blocked by the system pop-up keyboard, such:
As you can see, the mailbox condition is blocked. How can this problem be solved? I calculated the offset using the UITextField Proxy:
-(Void) viewDidLoad {[super viewDidLoad]; // Do any additional setup after loading the view, typically from a nib. self. emailText
Mobile page often do such an effect, look at the picture below, the focus is that fixed positioning the bottom, there is a input box, in the input characters, the Android phone look is no problem!1, the page does not click the bottom input initial state2, the look under the Android phone, everything is so normal, it is perfect.3, iOS phone, is so wayward, no way, completely blocked, blocked,
"Workaround"
The question of "1", as the literal meaning, is due to the fact that the current network is blocked by Thunder.
"2" excluding anti-virus software and other security software interception problem, temporarily quit trying to the lower right corner of the computer to find 360, QQ Butler,
Jinshan, such as kill soft all quit, if it is foreign to kill soft basic can not exit the need to uninstall, if convenient best uninstall the test.
① su
Tags: Oracle rowid sessionWhen you use the V$session view to query a wait event for a row lock on a session, the view provides the object number (row_wait_obj#), file Number (row_wait_file#), block number (row_wait_block#), and line number (row_wait) that the session waits for _row#) But how do you use this information to locate which line the session is waiting for? The answer is to use Dbms_rowid.Open two sessions and update the same piece of data at the same time#session 1
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Label:In the initial SQL Server performance issue (2/4), we discussed the list of waiting resources or running session scripts. In this article we will look at how to list blocked sessions with specific information. 1 /******************************************************************************************/
2 CREATE FUNCTION [Dbo].dba_getstatementforspid3 (
4 @spid SMALLINT5 )
6RETURNS NVARCHAR (4000)
7 BEGIN8DECLARE @SqlHandle BINARY ( -)
9
Source: WPF Popup control causes blocked content to not flushwhy a WPF Popup control causes blocked content to not refreshZhou BanhuiToday when writing a WPF control with the popup control, it is very depressing: when the popup is closed, the original part of the interface is blocked by the popup is not refreshed, to manually refresh (such as the maximum minimum
| Live.com suspected to be blocked, Hotmail and MSN space secret channels
Recently, Microsoft switched. NET Passport to live.com, and live.com is suspected to be blocked. As a result, many users such as MSN and Hotmail cannot log on. (Update: live.com has been unblocked today, and all services will be normal, so we hope it will not be used again)
Hotmail's Secret channel: http://mobile.msn.com/hm/folder
The popwindow is blocked by the meizu virtual key, and the popwindow virtual block
In the previous project, we made a sharing function, called a third party of umeng, and the function was perfectly implemented and shared. However, during the test, I shared the pop-up popwindow with the meizu X4 mobile phone and was blocked by the virtual key of the mobile phone. I found a lot of information on the Internet
Adjust textField (multiple) locations based on the keyboard so that it will not be blocked by the keyboard, textfield Blocking
When a textField is displayed on the interface, make sure that the textField is not blocked by the keyboard. The general practice is to listen to UIKeyboardWillShowNotification and UIKeyboardWillHideNotification, obtain the keyboard information through notification. userInfo in th
Window. open is blocked by the browser.Symptom
Recently, windows was used in the project. the interception of open by the browser is very depressing. Although the page can be opened in your own environment, it is not required for users to intercept the page. What's more, when an interception occurs, a lot of white people don't know what happened, and they don't know where to view the blocked page. It's a sa
Blocking blocked in RAC Environment)
The blocking in the RAC environment is different from that in a single instance, because we need to consider the session in different instances. That is to say, the corresponding strain of the previously queried v $ session and v $ lock is global. This article provides two query scripts, and provides an example to demonstrate which sessions are blocked and which are
Regarding the PHP injection problem, I have blocked all error prompts in php. ini. Can I still inject it? Regarding the PHP injection problem, I have blocked all error prompts in php. ini. Can I still inject it? He cannot know my information, right? Once an SQL error occurs, 404 is displayed immediately. The error is not displayed ., If the injection is successful, no error is reported! This is related to t
JS Download Bullet Box blocked solutionWord 311Read 0Reviews 0like 0Summarize
Simple usage for early downloads:window.open(downloadUrl)
Download the box will be blocked, the solution is to use a form to achieveJquery version, multiple downloads Prevent, add more formif($(' #_downloadWin '). length >0) { $(' #_downloadWin '). attr (' action ', URL); $(' #_downloadWin input '). val (path);}Else{//Parame
Total BlockedBlocked count is the total number of times that the thread Blocked to enter or reenter a monitor. i.e. the number of times a thread has been in the Java.lang.Thread.State.BLOCKED state.Total WaitsWaited count is the total number of times that the thread waited for notification. i.e. the number of times that a thread have been in the Ava.lang.Thread.State.WAITING or Java.lang.Thread.State.TIMED_WAITI NG state.When a thread attempts to acqu
Usually we will use IE browser to download some files or software resources directly, in the download will inevitably encounter some problems, the recent users in IE downloading files, prompted "To help protect your security, Internet Explorer has blocked from downloading files from this site to your computer." Click here to view Options ... "You need to manually select and download, so the download method will be more trouble, the following see Win7
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