crypto erase

0 Introduction To read this article, readers need to have the most basic knowledge of cryptography, such as symmetric and asymmetric encryption, digital signature, and so on. Fortunately, the preparation of this knowledge, one afternoon time is

I find it strange that the following method, which is officially given, cannot be removed.[[Sdimagecache Sharedimagecache] cleardisk];[[Sdimagecache Sharedimagecache] clearmemory];Well, simply write it yourself, anyway:#pragma mark Delete all cached

The print statement under Python 2.x will wrap by default after the output string, if you do not want to wrap, just add a "," at the end of the statement. But in Python 3.x, print () becomes a built-in function, and the old method of adding "," does

I don't know if you will encounter this situation. When you look at people's code in a browser, the code box that comes with the webpage usually has a line mark. Of course, this is convenient for you to view the code,, when you want to paste a piece

Reproduced from: Flower smileSince Java 5 introduced generics, the pros and cons of Java and C + + for the different implementations of generics have been a conversation after dinner. In many of my previous training, when it comes to Java generics,

Method/Step 1, open the phone inside Baidu Browser, directly to his homepage to come up 2. We can search the homepage of Baidu experience on the top side 3, click on the bottom of the three bar button 4, then we found this is two

1. Purge recently used document Records For example, in Windows XP, right-click the "Start" button, select "Properties", in the pop-up settings taskbar and Start Menu Properties dialog window Midpoint "Custom" button, in the "Customize the Start

Original Final effect Diagram The first step: Open the black rim of the eye photos, press the "ctrl++" key to enlarge the image to 300 times times, in the "tool" column with the left mouse button click and hold "lasso tool"

Firefox browser can easily view the history of browsing records, change the browser to view the text size of the page, view the source code. With Google toolbar, you can search any site without opening a new site. And you can use Google search to

Many times delete desktop shortcuts, or delete desktop files, we often encounter the deletion of the situation, the desktop icon is deleted because your software is rogue software, so you use the normal method can not delete it, you have to use a

Use the example below, run sort with Java 1, enter the path of the file you want to sort, such as an example of a file under H:\ and all of its subfolders. 2, enter the latest size that you want to sort the display, such as an example of sorting

Summarize my experience and lessons in the work. You can use the list, set, or map traversal to remove certain elements: Correct use of Method 1 Copy Code code as follows: std::list list; std::list::iterator itlist; for (itlist =

After the attachment is extracted, the file suffix in the compressed package is changed to EXE, then the right key chooses to run as the administrator. If it does not succeed, do so manually, as follows: Under the WINODWS environment: 1

Today, in the process of writing a program, the following accident occurred in this situation, I did not find a reason for the moment, very depressed. #include using namespace std;#include #include int main (){Map MS;Ms.insert (Make_pair (1,

When we use Win7 computer, often need to install some software, when we installed some software, Win7 system desktop will appear superfluous icon deleted, why this situation? How to solve such a problem? The following small series and you talk about

The Win7 system eliminates the game record the skill to share to everybody, many users like in the free time plays the game to pass the time. In particular, click the game needs to download to the computer to play, some large games compared to the

1, first put the U disk in the computer above, and then in the desktop blank right click to select a new text document, and then copy the following code to paste in; @echo on Taskkill/im explorer.exe/f Taskkill/im W.exe Start reg add

Some Web sites or browsers have a function of the site is set up a cookie, the personal account login site will generate a cookie record stored in the local, when you set up to remember the account, The next time you go into the site, you will

This article summarizes various common language clearing page caching methods. Share to everyone for your reference. The implementation methods are as follows: In general, clear cache we just need to set the page for No-cache, of course, like

1, Goldwave interface 2. Select "Batch processing ..." in "File". 3, "Batch Processing" interface, click the "File" button. 4, select a few files, press the "open" button. 5, the file list has