, which is used as the middle layer of object and OSD to copy the PG to multiple OSD depending on the number of copies of the pool. The following diagram depicts the mapping between the object, PG, and OSD Daemons:1, PGP plays the role of co-locating pg. PGP is the logical bearer of pg.2, the value of PGP should be the same as PG, the value of PG increases, but a
://www.cnblogs.com/?key=%E5%8D%9A%E5%AE%A2%E5%9B%ADpage=1 As you can see, this is exactly what we want (here we encode only the parameters that need to be encoded (page=1 does not need to be encoded).Server.URLEncode Httputility.urlencode: not recommendedPut these two together because the two methods are the same in most cases. The difference is that Httputility.urlencode is encoded using the UTF8 format by default, and Server.URLEncode is encoded using the System preset format, Server.URLEncod
. Why do you need to avoid repeated encoding During encoding?I know that there are many reasons why some of my peers do not recode. Some use third-party library functions, and others do not know who the code is, what are the fundamental problems solved by coding ...... The reason column is incomplete,In short, it's okay to repeat the Code where you need to repeat it.. There seems to be no example, and it cannot make people look comfortable. Well, let's take a small example:Http://a. B .c/admin.j
=1b= Blog Park #abc";Response.Write (Httputility.urlencode (URL1));OutputHttp%3a%2f%2fwww.cnblogs.com%2fa+file+with+spaces.html%3fa%3d1%26b%3d%e5%8d%9a%e5%ae%a2%e5%9b%ad%23abcAs we can see from the above example, Httputility.urlencode encodes a colon (:) and slash (/), so it cannot be used to encode URLs.So can the parameters be encoded, the answer is also negative. These two methods are not recommended for encoding URIs because they should be encoded
=" +encodeuricomponent (param) + "page=1";Console.log (URL);//outputs http://www.cnblogs.com/?key=%E5%8D%9A%E5%AE%A2%E5%9B%ADpage=1As you can see, this is exactly what we want (here we encode only the parameters that need to be encoded (page=1 does not need to be encoded).Server.URLEncode Httputility.urlencode: not recommendedPut these two together because the two methods are the same in most cases. The difference is that Httputility.urlencode is encoded using the UTF8 format by default, and Se
endless loop on fd 4, so let's see what FD is: ll/proc/14043/fd
Lrwx -- 1 wuhaiwen 64 July 21 11:00 4-> socket: [53176380]
Again, it turns out to be an endless loop when requesting a web page of CSDN, but I don't know where to request it. Think of the php process in GDB. bt shows:
(Gdb) bt#0 0x00007f6721f8f013 in _ select_nocancel () at ../sysdeps/unix/syscall-template.S: 82#1 0 × 0000000000481952 in php_curl_stream_read (stream = 0 × 2280650,Buf = 0x22ea5d0 "2Fwww.laruence.com % 2 Ftag % 2F %
://www.cnblogs.com/?key=%E5%8D%9A%E5%AE%A2%E5%9B%ADpage=1As you can see, this is exactly what we want (here we encode only the parameters that need to be encoded (page=1 does not need to be encoded).Server.URLEncode Httputility.urlencode: not recommendedPut these two together because the two methods are the same in most cases. The difference is that Httputility.urlencode is encoded using the UTF8 format by default, and Server.URLEncode is encoded using the System preset format, Server.URLEncode
Wuhaiwen Wuhaiwen 64 July 11:00 4-> socket:[53176380]
Again look at the original is in the request csdn a Web page when the dead loop, but do not know what place to request, think of gdb a look at the PHP process, BT display:
(GDB) bt#0 0x00007f6721f8f013 in __select_nocancel (). /sysdeps/unix/syscall-template. s:82#1 0x0000000000481952 in Php_curl_stream_read (stream=0x2280650,Buf=0x22ea5d0 "2fwww.laruence.com%2ftag%2f%25e6%25ad%25a3%25e5%2588%2599%27+class%3d%27tag-link-191%27+title%3d %273
Tags: app media view ROM page scheme disable tab engineError 1:Executing the query "ALTER index [Ix_liveconfigstate_service_serviceid_ ..." failed with the following error: "The index" I X_liveconfigstate_service_serviceid_grouprightsversion "on table" Liveconfigstate_service "cannot be reorganized Because page level locking is disabled. ". Possible failure Reasons:problems with the query, ' ResultSet ' property not set correctly, parameters not set correctly, O R connection not established corr
cksum ), calculate and compare the checksum (such as MD5, SHA, or CRC ). However, the checksum is vulnerable to collision attacks and cannot be used to verify the authenticity of the file (that is, the owner ).
If you want to verify the authenticity (owner) of the downloaded file and the integrity (content) of the file, you need to change it to the encrypted signature. In this tutorial, I will introduce how to use GnuPG (GNU Privacy Protection) to verify the authenticity and integrity of files.
official public key and fingerprint for verification.
As for the files to be downloaded, the publisher also provides the corresponding PGP signature.
Install GnuPG to generate a key pair
Install GnuPG on your Linux system first.
On Debian, Ubuntu, and other Debian extensions:
$ Sudo apt-get install gnupg
On Fedora, CentOS, or RHEL:
$ Sudo yum install gnupg
After the installation is complete, generate a key pair. you need to use this key pair in thi
In this increasingly virtual world of the Internet, you have to be careful to protect your own data. This article describes the basics of encoding and encrypting some important information, such as passwords, credit card numbers, or even the entire message. And by using PHP's built-in features, understand the meaning of encrypting and decrypting information, and will learn some practical examples involving passwords and other data.Understand the difference between today's real world and the real
In Internet chat (instant messaging), you can use open-source free software to ensure that the software has no backdoors and use encrypted transmission protocols (such as SSL-based HTTPS) this ensures that the information is not intercepted by a third party when it is transmitted to the server. However, this does not prevent the chat service provider from recording or analyzing your chat content. Therefore, to protect the privacy of the chat, it is best to use "end-to-end" encryption technology
a Null pointer call. The kernel can execute arbitrary code with the kernel privilege to replace the kernel crash. Http://security.freebsd.org/advisories/FreeBSD-EN-09:05.null.ascHttp://security.freebsd.org/advisories/FreeBSD-SA-09:13.pipe.ascHttp://secunia.com/advisories/36955*>Security suggestions:FreeBSD:
For errors caused by pipe "close ()", refer to the following methods to upgrade:1) Upgrade the system with the vulnerability to 6-STABLE or RELENG_6_4, or the secure version of RELENG_6_3 af
Encryption converts data from its original form to a form that can only be read by the decrypted. In essence, encryption aims to prevent unauthorized reading of data. Encryption technology can be elaborated from different perspectives. Today we only introduce the six most famous encryption tools.
1. GnuPG/PGP: These two tools can ensure advanced encryption of files and communications. PGP is a well-known en
Recently, the company plans to design a new business platform architecture. The data access layer framework uses ibatis.net. First, let me give some examples to demonstrate the basic features of ibatis to other colleagues. Then, evaluate and check whether it is used. I will download the npetshop demo officially later. However, the ibatis.net version used by the official npetshop is not the latest version. Very depressed, so I had to study the document myself.
My demo basically covers all the fe
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speed, but the denial of service should be prevented.
11. test reference----------------------------Running System: SuSE Linux 7.2 uses the-C file parameter for a total of 295 logon attempts (294 logon errors and 1 Successful Logon)The average value of the number of threads tested three times per case (only one thread is tested) is recorded as follows:
Parallel threadService 1 4 8 16 32 50 64 100 128---------------------------------------------------------------------------Telnet *FTP 45: 54POP
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