= $ORACLE _home/jre: $ORACLE _home/jlib: $ORACLE _home/rdbms/jlib;#source/home/oracle/.bash_profile make configuration effective #mv/root/database/data/oracle/#chown-R Oracle:oinstall/data/oracle/databaseLog in with the Oracle user, Xshell Remember to open X11 forwarding, if it is from the board to jump over SSH back to add-X open the window forwarding$export Lc_all=en_us. UTF-8 window for English$export display=localhost:10.0 set X11 to the port, corresponding to the xming creation number to
Label:When using a database connection in QT 5, the following error pops up:Qsqldatabase:qmysql Driver not loadedQsqldatabase:available drivers:qsqlite qmysql QMYSQL3 qodbc QODBC3 qpsql QPSQL7As can be seen from the above error, the error occurs when the MySQL database driver is not loaded.There are two general cases of this error:The first type: no MySQL driver, then check the Qt\5.3\msvc2013_64_opengl\plugins directory for Qsqlmysql.dll, if not, it means that Qt does not have the corresponding
Mac this got triggered by the Java Agent being used by the IDE when starting the app. This message is harmless and was safe to ignore. Oracle Developer ' s Comment:
The message is benign, there was no negative impact from this problem since both copies of that class was identical (Compil Ed from the exact same source). It is purely a cosmetic issue.
The problem is a fixed in Java 9 and in Java 8 Update 152.
If It annoys you or affects your apps on any of the, the workaro
Tags: linux centos installation FlashInstall Flash in the Linux centos redhat firefox Vivaldi MaxthonFirst, Firefox1. Use the Firefox browser (note here) https://get.adobe.com/cn/flashplayer/2. Select the RPM format from the dropdown menu and select Download Now(file name: flash-player-npapi-28.0.0.161-release.x86_64.rpm)3, under the root user, with Rpm-ivh just download the file name can be installed4. Restart Firefox browserSecond, Vivaldi1, with Vivaldi browser (note here) https://get.adobe.c
The visual AMP integration environment is detected with phpinfo.php, and the Server API shows cgi/fastcgi such as,Do not display the details below Apache2handler, for example,
These graphs have a loaded modules that shows the modules that have been loaded, not the modules that have been loaded, that are not loaded succ
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JS iframe load slow how to solve
In the project is often to dynamically add an iframe, and then to add the IFRAME related operations, and often the IFRAME has not yet been added, the following code has been executed, so some of the things you wrote did not show up. At this point, we have to consider whether we can wait for the IFRAME after the completion of the operation of the following, of course, a variety of browsers have been taken into account for us, look at the fol
.
Once the Linux module is loaded, it will enjoy the same access permissions for other kernel codes as the general kernel code. In other words, Linux kernel modules can crash the system like other kernel code or drivers. The module can use kernel resources, but first it needs to know how to call it. for example, a module calls Kmalloc () (kernel memory allocation program ). however, when a module is created, it does not know where to find Kmalloc ().
Loaded event and initialized event of WPF frameworkelement
In WPF, The frameworkelement class defines two events: loaded and initialized events. When the control is loaded toWhen these two events occur one after another, what is the difference between the two events? When developing custom controls, how should we use these two events?Summary:
Initialize
JavaScript to determine whether the image has been loaded.
There are a lot of articles on the Internet that determine whether the image has been loaded, but some browsers are not suitable. The following small series will share with you some summary about how JavaScript judges whether the image has been loaded, the specific content is as follows:
I. onload event
B
For the asynchronous loading of JS or CSS, can not control its order, can not guarantee that the load is over, and then deal with their own business, which caused us a great deal of trouble. There are now three ways to guarantee the order of execution. I personally recommend a third method. Use JS's onload event.If the script is loaded in the usual way, it will not only block the download of other content in the page, but also block the rendering of a
The JS callback function is used to execute the corresponding callback function after the js script is loaded.
This problem often occurs in projects: When a js script is loaded and then executed, many friends may not know how to determine whether the js file to be loaded is loaded, if the loading is not completed, it i
In a project, you often need to dynamically add IFRAME, and then perform related operations on the added IFRAME. In most cases, IFRAME has not been added yet.CodeThe execution has been completed, so some things you have written are not displayed at all. At this time, we need to consider whether we can wait until the IFRAME is loaded and then perform the following operations. Of course, various browsers have long been taken into consideration for us. S
Recently in the study of composer, found that from the touch of PHP to now have encountered three kinds of PHP in the automatic loading of classes, including the PHP self-contained classes of the automatic loading mode, PHP's third-party dependency management tool composer The way it is loaded and automatically loaded under PHP's YAF framework. This blog is mainly for the PHP5 of the loading method to carry
Pre-loaded and JavaScript Image () objectsMany high-res images can really make your Web site more uncluttered. But they also make the site more slow to access-the image is a file, the file uses bandwidth, and the bandwidth is directly related to the wait time. It's time to learn how to improve the speed of Web site access through a technique called Image preloading (preloading).Image Pre-loadingFor browser loading images, only after sending an HTTP re
Loading| loading
In the forum often see loading load way of discussion, but most are discussed with what kind of loading method and code, today I want to load the movie in Flash, loading position on the impact of the film. Flash loading has a variety of production and loading methods, The focus of this paper is to discuss the impact of the location of the loading on the movie when the external SWF file is loaded in the main movie. That is, the loading
makeLoader2This class loader loads one of our own writtenSampleclass:Loader2.loadclass("Sample"), let's analyze to see which class loader to load. When this code is executed,Loader2first go to your own namespace to findSampleclass has been loaded and returned directly to the class if it is loaded .classthe reference to the object. IfSampleclass has not yet been loaded
This article mainly introduces the method of automatic loading in PHP, has a certain reference value, now share to everyone, the need for friends can refer to
Recently in the study of composer, found that from the touch of PHP to now have encountered three kinds of PHP in the automatic loading of classes, including the PHP self-contained classes of the automatic loading mode, PHP's third-party dependency management tool composer The way it is loaded
Unsatisfiedlinkerror occurs when Jacob is used. [original]
Problem description:I use Jacob in a web application (the server is a resin-ee-2.1.4) to automate the conversion of Word documents to PDF documents (see my other log), in order to ensure the stability of Web applications, I provide the auto-Restart mechanism for resin every night by modifying the resin by using the scheduled servlet. CONF file. However, when the web application restarts, Jacob reports the following error;Native library
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