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In fact, there are some small scratches on the CD. However, some CDs have become the killer of optical drive, but sometimes they cannot be lost. Some of them are classic and it is difficult to buy the same one. This is really a headache! I have been troubled by such troubles. How can I make these "waste" disks play a new role? I found a clever way to fix the uneven disc during my exploration. Exclusive stunt: Use a steam iron to repair scratched disc
Ancient Cipher Specified ent Roman Empire had a strong government system with varous parameters, including a Secret Service Department. important documents were sent between provinces and the capital in encrypted form to prevent eavesdropping. the most popular ciphers in those times were so called substitution cipher and permutation cipher. substitution
15 ultra-powerful CSS3 disc clock animations and css3 disc clock animations Clock plug-ins are often used on webpages, especially personal blogs. A personalized clock plug-in not only makes the page look beautiful, but also allows visitors to see the current date and time. Today, we have collected 15 ultra-powerful disc clock animations, many of which are based o
The block cipher has a certain size as the base unit for each processing, while the sequence cipher is an element (a letter or aBITS) as a basic processing unit. A sequence cipher is an encrypted transformation that changes over time and has a conversion speedThe advantages of fast and low error propagation, the hardware implementation of the circuit is more simp
symmetric cipher, asymmetric cipher, hashing algorithm and PKICryptography issues to solve: confidentiality, integrity, authentication (anti-repudiation):First, symmetric password:Symmetric cryptography: The sender and recipient use a single key that they collectively own, both for encryption and for decryption, called a secret key (also known as a symmetric key or session key).Services that provide informa
UVa 1339 sort ent Cipher [sort], 1339 cipher /*Old password for Chinese questionsYou can see if you can change the location of the first character to exactly match the 26 letters of the second character.Solution: count the number of characters in two strings. If the number of characters in each string is the same, yes is output; otherwise, no is output.Difficulties: it is a little difficult to count the num
UVa1339 Cipher ent Cipher, uva1339cipher # Include # Include # Include # Include Using namespace std;Int main (){Int ce [26], co [26];String encrypted, orginal;String: size_type I, len;Ios: sync_with_stdio (false );While (cin> encrypted> orginal){Memset (ce, 0, sizeof (ce ));Memset (co, 0, sizeof (co ));Len = orginal. length ();For (I = 0; I {+ Ce [encrypted [I]-'a'];+ Co [orginal [I]-'a'];}Sort (ce, ce + 2
How to set the disc to play automatically, allow the CD to run automatically?When using the computer CD-ROM to play the disc file, a frequent problem is that the optical drive does not automatically play the disc, but the open disc file manual operation without any problems, which caused a lot of trouble to use. So how
First of all, in fact, we habitually called the removable disc, is erasable CD-ROM. (See the introduction below) The most important function of Erasable CD is that it can erase data and write new data. Then the general CD-ROM 1.5~2 yuan more than one, can erase CD 10~15 bar. Data that requires long-term recording with a CD-ROM, short term data or files Introduction to Erasable CD The advantage of a erasable di
Step 1: First, users need to download the installation of the Fox Nest DVD burning software, open into the Interface menu, click the "Load DVD" feature button, choose to open the need to copy the editing of the DVD file directory. Step 2: Then in the Software list area will automatically display the relevant information on the disc, check the content of the file to be extracted, in the interface to the right of the preview window, the us
Now, many video discs are encrypted, causing us to make mistakes when we want to copy a disc. For this type of disc, want to burn successfully, only the CD in the video first conversion format, the new conversion files (such as: Help315.mpg) to the computer, and then use the burning software to engrave help315.mpg video files. I now share the process of burning the encrypted DVD video
Method 1, unplug the power, wait a moment after reboot PS4 sometimes because of the sudden loss of power, there will be some small problems, we just have to restart or power off once it can be used properly oh.Method 2, manually tighten the drive door screws Some players said that the problem is the real problem is that the CD-ROM drive due to the inability to properly huff and puff disc caused by the host to carry out the operation This is mainly
How to solve the problem that win10 cannot recognize the disc and win10 recognize the disc In Windows 10, many CDs cannot be identified or opened, or a message is prompted to insert a disc into the drive, which may be caused by a function in Windows, if you enable the function, you may not be able to open or recognize the CD directory. Instead, you can only load
in the system, so they are useless. This may be a software bug. 3. After restarting, a removable disk will be added to my computer. Click "format" to open the format dialog box. 4. During formatting, You must select full formatting and copy the system file. That is, if you select quick formatting, Windows 98 will be forcibly formatted. Because it is virtualized out of memory, the speed is extremely fast, and the whole process is completed in one second. 5. After formatting is complete, fo
Android custom control-like Youku disc menu, android Disc Respect the author's Labor achievements. Indicate the author's Labor achievementsHttp://blog.csdn.net/allen315410/article/details/39232535 Recently, I learned how to write custom controls on a document. The above example uses the client of early Youku versions, the menu of this client is a custom component (the current version is not clear, but it
Win7 system users sometimes want to burn their system to a CD backup to save, but after inserting the CD into the computer, found that the computer could not find the disc, always prompted to insert the disc. How can this problem be solved? Now the small compilation teaches everybody a solution method. Specific steps to operate: 1, first open Device Manager, and then find the DVD device class, the right m
RedHatEnterpriseLinux4U5 integrates a DVD Disc-Linux general technology-Linux technology and application information. For more information, see the following. For reference only, you can now download Prepare the image files of five CDs! RHEL4-U5-i386-AS-disc1.iso RHEL4-U5-i386-AS-disc2.iso RHEL4-U5-i386-AS-disc3.iso 4. iso 5. iso Tool used: UltraISO 1. Use UltraISO to open the image file RHEL4-U5-i386-AS-disc1.iso for the first
MSCOMCTL.OXL is a public ActiveX plug-in control module.Workaround:1. Download the MSCOMCTL.OXL plug-in control module first.2. Copy the extracted Mscomctl.ocx to the specified place--32-bit system: Copy to C:\Windows\system32--64-bit system: Copy to C:\Windows\SysWOW643. Open Run (window+c), enter inside--32-bit: regsvr32%windir%\system32\mscomctl.ocx--64-bit: regsvr32%windir%\syswow64\mscomctl.ocx4. If the following error occurs: The permission issue may be. In the settings: Start-Programs-att
Experiment: Accessing disc data Experimental Objectives Implement install CD on Linux via command and access the data inside Experimental StepsFirst, the Environment preparation1. put the Rhel5.9iso, turn on the power2 . Enter the Linux host to see if the Liunx system desktop has rhel5.9iso, there is the automatic Mount success, no check the installation details[Email protected] ~]# CD/MISC/CD[[email protected] cd]# lsCluster readme-te.html release-no
Error: not found in any of your drives. Please insert the CentOS disc and press OK to retryReason:The status of the optical drive is disconnected due to the use of a VM and the use of the disc detection feature.Workaround:Primarily at the beginning of the installation, the following options are available:If the unfortunate choice is OK, then directly to the lower right corner of the optical drive icon selec
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