clear spooler

MyView class that I wrote, MyView inherits the method of GetContext in ImageView. Then in dialog also provides a number of methods, such as the set title, information (message), there are two buttons, one is Positivebutton, one is Netgativebutton, which needs to enter two values, the front one is the button above the text , followed by a button listener, note that the button listener here is included in the Android.content.DialogInterface package. Flexible use of the dialog box not only makes

Label:. The comparison of Clear () has no meaning, because it is only to empty the DataTable, in the heap to allocate memory, the general comparison is also more close () method, but the DataTable does not have this methodThe difference between Dispose and null is interesting.First of allDataTable dt = new DataTable ();You know DT on the stack, the new DataTable () object pointing to the managed heapand dt = null, which means that DT does not point to

1. When the print task starts, these print tasks are saved in the Print job list (also known as the print queue). If the printer does not complete the print job due to an unexpected pause (such as a printer not connected), the print task will be included in the print queue and stored in the file's print pool for backup. The print task for the backup, if not cleared, cannot be performed by the subsequent print task, causing the printer to continue printing. 2, the printer print list, a document,

encoding= "Utf-8" deprecation= "false" optimize= " False "failonerror=" true ", destdir= "${build.dir}" classpathref= "Build.classpath "Scalacdebugging=" true ", Build.xml instances: Clear catalog, compile Java, compile Scala, package

[Email protected] desktop]# cat/proc/sys/vm/drop_caches 0[[email protected] desktop]# file/proc/sys/vm/drop_caches/ Proc/sys/vm/drop_caches:empty[[email protected] desktop]# echo 1 >/proc/sys/vm/drop_caches [[email protected] desktop]# free-h Total used free shared buffers cachedmem: 11G 966M 10G 53M 392K 161m-/+ buffers/cache: 804M 10G Swap: 3.6G 0B To view the number of memory bars:[Email protec

Interview often come up with said, please briefly answer the Linux system boot process?Load bios–> read mbr–>boot loader–> load kernel –> user layer init According to the Inittab file to set the level of system operation (General 3 or 5,3 is a multiuser command line, 5 is the interface) –> The INIT process executes rc.syninit–> boot kernel modules –> perform different levels of running scripts –> execute/etc/rc.d/rc.local (local run service) –> execute/bin/login, you can log inAs a Linux develop

Locate the file that contains the BOM header, as follows:Grep-r-i-l $ ' ^\xef\xbb\xbf './This command finds all the files that contain the BOM header in the current directory and subdirectories, and outputs the file name on the screen. However, the deletion of the BOM header, the Web-found commands are mostly not available, the more common command is: Grep-r-i-l $ ' ^\xef\xbb\xbf '/path |Xargs sed-i ' s/^\xef\xbb\xbf//;q ' but this command removes all rows except the first line, so it makes no s

not cleaned up in time, so that wait blocked, can not clean up the child process in a timely manner! Summary: When the process issues exit the call, the kernel frees the resources that the process occupies, frees up the memory space occupied by the process context, preserves the process table entries, and sets the key that records the status of the process in the process table item to a zombie state. The kernel calls exit from within the kernel when the process receives a non-capturing signal,

The filter in Photoshop can pull out the various effects we need, this tutorial is to introduce the use of PS filter to make clear sky effect, the tutorial is relatively simple, suitable for beginners, below to see the specific production method. Here are the specific steps to make Photoshop tutorials: First step: Create a picture of 800x600 pixels first The second step: press the D key, is the foreground and background color into black

Effect Chart: The specific steps are as follows: Step one, the whole effect has only one layer, the simplest way to do the best effect. Step two, new size is a document, background filled with dark blue or dark gradient, with a pen to tick the desired text fill any color, or directly enter text, the fill to: 0%. Step three, add the layer style, first select the gradient overlay, the parameters are shown below. Step four, set the inner shadow.

The tutorial teaches you to use the simplest way to create the most brilliant text effect, in Photoshop just use the layer style, the layer style step by step understanding. Through this example extrapolate produce different text effects. The layer styles applied to this tutorial are: projection, inner Shadow, inner glow, bevel and emboss, contour, gloss, color overlay, gradient overlay, stroke. Materials from the network, only for learning reference. I hope you like it! First look at the Tutor

Chinese as the saying goes, the eye is the heart of the window, then from the perspective of photography, the focus should be placed on the person's eyes, so that the film is clear, translucent works. However, due to various factors such as light, often in the late photo processing, the eye processing optimization is essential. Let's learn how to make the eyes of photographic works more prominent and clearer. First look at the effect of the picture:

The tutorial uses Photoshop to pull out the exterior hat beauty clear cold tone photo effect, mainly used to color balance, optional color, hue saturation, brightness/contrast to complete, Like the classmate can learn! Effect Comparison chart: Zowantu, right effect diagram. The Photoshop Tutorial palette steps are as follows: Related tutorials: PS to create beautiful cold tone photos PS use layer to pull out the

We all know that the Win7 system has a very useful function, that is, indexing function, we can quickly find the required files or programs, for users is a very convenient function settings. But it's also a problem for some users with smaller computer capacity, because as long as we use the Win7 computer search function, c disk will automatically save the index record, over time will be stored a lot of cache, if the long-term do not clean up will occupy the C disk space, for the computer is a gr

You must not know Tsinghua Tongfang's BIOS default password. The BIOS common password has six-bit and eight-bit, six-bit is THTFPC, eight-bit is 00000000. So Tsinghua Tongfang Computer motherboard bios clear password? In the case of computer power off, first open the Host box, and then find the motherboard has a button battery, the battery write down, and then in turn installed, and then a few seconds on the installation, or wait for a two-mi

approved and validated by the user. Although the ActiveX control is powerful, it does not support other browsers. And, it is very unsafe, easy for hackers to use as an attack system of a very effective means, the use of ActiveX control virus transmission examples are countless. ActiveX controls, while prevalent, will never be long-term. Because of the rise of Ajax and Web 2.0 technologies, many Web sites are created in both ways, so it is clear that

Recently many users have responded that Win7 pure version of the desktop shortcut picture of the lower right corner of their own do not like the small shield, although this logo to the software program will not bring great impact, but for the overall aesthetic impact is really very large, so many users are more disgusted with this. Desktop shortcut icons on the small shields in fact belong to the "security" logo, nor is there a system failure, as long as the following settings for security, you

In fact, the ARP attack is very well understood, is similar to the third party software attacks your network, especially when we clearly cache the situation, particularly easy to encounter such problems, then Win7 clear Cache is arp attack how to do? Small make up this for everybody to reveal the answer! The first step: press the WIN+R key combination, open the Run window, and then enter the cmd command, and press ENTER. Step two: In t

A browser is a common tool used in computers, usually use a browser to surf the internet, the browser will also leave the search history, download history, browser cache files and cookies, and so on, for a long time these files will have a certain impact on the operation of the Win7 64-bit browser, including personal privacy will also be exposed, So regularly to the browser traces of the Internet is necessary to clean up, the following for everyone to organize the two kinds of general cleaning m

. Start the Keystroke wizard to enter the recording script interface. (pictured below) 2. Click the Red Recording button to start recording the script. Move the mouse to the Start menu and click, and then run the Run program when you open the Start menu. (pictured below) 3. After you open the Run window, enter "C:windowsprefetch" in the Open path (depending on the system's different installation path) and click OK. (pictured below) 4. When you o