Reentrantlock.lock () operation enters the waiting state, which internally calls the Locksupport.park () method4, Waiting (wait Indefinitely)/** * thread state for a waiting thread. * A thread is in the waiting state due to calling one of the * following methods: * Threads in this state are not allocated CPU execution time, and they wait for the display to be awakened by other THREADS. This state is usually a result of invoking the wait () method operation of the corresponding lock object after
/*** Disables the current thread for thread scheduling purposes unless the* Permit is available.**If the permit is available then it's consumed and the call returns* IMMEDIATELY; otherwise* The current thread becomes disabled for thread scheduling* Purposes and lies dormant until one of three things happens:***Some other thread invokes {@link#unpark Unpark} with the* Current thread as the target; Or**Some Other Thread {@linkplainThread#interrupt interrupts}* the current thread; Or**The call spur
Locksupport is associated with a license, and if the license is available and can be used in the process, calling Park () will return immediately, otherwise it may be blocked. If the license is not yet available, you can call Unpark to make it available. However, note that the license is not reentrant, that is, the park () method can only be called once, otherwise it will be blocked.Locksupport defines a series of methods that start with Park to block the current thread, Unpark the thread threa
Internet Explorer 8 (IE8) is the latest version of the world's widely used Windows Internet Explorer browser series, which integrates more personalized, intelligent, and privacy-protected features to inject new experiences into your network life, Make your online surfing every day faster, simpler, safer, and fun.
Browser blocking window pop-up function, to avoid users browsing the Web page when a number of not related to this page of the advertising site, to know that many sites have a fishing
Often see the page pop-up ads (Common have cool dog music, Sogou input method, Sohu news, etc.), is not want to be very upset. How do you intercept it with your computer housekeeper?
1, open the Computer Butler interface. As shown in the following illustration:
2, switch to the "toolbox" interface. As shown in the following illustration:
3, you can see a "window blocker" click to enter. As shown in the following illustration
Sogou Browser How to screen ads? Sogou Browser is a popular high-speed browser, sometimes open a website, content has not seen how much, the overwhelming advertisement immediately flooded full screen. There are often pop-up ads, it is impossible to guard against. These ads not only affect the speed of page loading, but also easily misleading user action. The latest version of Sogou browser with a strong advertising filtering function, reasonable set up ad interception. How do you do it? Below, t
. Or simply choose a high security level, you can make pop-up windows, floating and flash ads, plug-in balloon, Java applet, etc. disappear. In the Advanced page, remove the appropriate options from the multimedia node to prevent the playback or display of pictures, animations, sounds, and videos.
How does IE block annoying pop-up ads on the web? Now the ads are pervasive, many sites open at the same time will pop-up ads page, it is really annoying, how do we do? Of course, it is blocked off, b
visit, which will affect the user's browser speed.
To solve this problem, click the toolbar >internet option > Browse history settings to verify that the newer version of all pages is set to Automatic.
5. Configuring Temporary Files
is still the Browse History Settings window, which confirms that the disk space used by the IE temporary file is the default value of "50MB".
If your PC has multiple disks, make sure that the temporary files are stored as quickly as possible.
6. Tho
. Or simply choose a high security level, you can make pop-up windows, floating and flash ads, plug-in balloon, Java applet, etc. disappear. In the Advanced page, remove the appropriate options from the multimedia node to prevent the playback or display of pictures, animations, sounds, and videos.
How does IE block annoying pop-up ads on the web? Now the ads are pervasive, many sites open at the same time will pop-up ads page, it is really annoying, how do we do? Of course, it is blocked off, b
Steps/Methods
One of the new features of Windows XP SP2 is that you can better manage Internet Explorer browser Plug-ins. Specifically, you can disable and enable some ActiveX controls. The icon shown in the following illustration indicates that an ActiveX control used on the current page has been disabled.
If you browse to a page that contains a Flash movie, but you have disabled the Flashactivex control, you will see the icon on the right side of the InternetExplorer status bar.
Solution: E
What is the SmartScreen filter?
The SmartScreen filter is an Internet Explorer and a feature in Microsoft's Edge that helps detect phishing sites. SmartScreen filters can also help you prevent the installation of malicious software, which is a program that displays illegal, viral, deceptive, and malicious acts!
SmartScreen is different from the Pop-up Blocker. SmartScreen Check to see if there are any threats to your security in the site or download
website, not a neighborhood child's personal hobby site, how can not go anywhere? Then I noticed the Pop-up Blocker dialog box above the browser. After I turn off several pop-up blocker, refresh the page again before I find a new pop-up page. This is the page that Prada really shows their products, and it's a cool flash. The design is absolutely very cool and very dazzling. We can go and see for ourselves.
Problem simulation and problem analysis of library cache pin in Oracle Single instance caseReference from:Waitevent: "Library cache Pin" Reference Note (document ID 34579.1)How do I Find the blocker of the ' Library cache pin ' in a RAC environment? (Document ID 780514.1)Native environment: Oracle 10.2.0.5 x86-64bit for RHEL5.8 x86-64bitFirst session:[[emailprotected] ~]$ sqlplus/as sysdbasql*plus:release 10.2.0.5.0-production on Fri June 17:27:28 201
There are two types of transaction configurations in spring: 1 programmatic Transaction Management configuration, 2 declarative transaction management configuration. The configuration of the two declarative transactions is described below, with declarative transactions being less coupled than programming transaction code, and unordered writing of any transaction-managed first-pass code. The two declarative transaction configuration policies are: SPRINGAOP transaction management and agent Beannam
definition reverse Call
Aftercompletion by interceptor definition reverse Call
Posthandler all interceptors within the interceptor chain return true to call
Aftercompletion only Prehandle returns true to call
Application of InterceptorsIn the second case, such as now to write a unified exception handling logic, then to put the interceptor in the first position of the chain, and must be released, because only release, will be executed aftercompletion, and placed in the first int
-Department list */ public finalstatic String xtgl_bmgl_bmlist = "dbc4bf80f8b6418788b79de204d37932"; }Fourth step: Verify permissions in the SPRINGMVC interceptor/*** freemarker view blocker, page display before doing some general processing *@versionV1.0.0 * @date Dec, 4:20:04 PM*/ Public classFreemarkerviewinterceptorextendsHandlerinterceptoradapter { Public voidAftercompletion (HttpServletRequest arg0, HttpServletResponse arg1, Object ar
1, CXF framework concept IntroductionApache CXF is an open-source WebService framework that CXF can use to build and develop WebService, which can support multiple protocols such as SOAP, Post/http, HTTP, CXF Greatly simplifies the webservice and seamlessly integrates with Spring naturally. CXF is a combination of Celtrix (ESB framework) and XFire (Webserivice), the core being Org.apache.cxf.Bus (bus), similar to spring's ApplicationContext, CXF is dependent on spring, and the other CXF the jar
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