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1. Get is to get data from the server; request is to transmit data to the server; 2. Get data is clearly displayed in the URL; request is transmitted in the HTML header; 3. The get length is shown as 1024, while the request has no length limit; 4.

If kill (pidt, 0)   Else child alive;   The precondition is that the parent process has processed sigchld.   Otherwise, the detection method will be invalid.     The Explanation of "Advanced Programming in UNIX environment" is: Kill (pid_t

Processing of signals by threads in the same process:   Tested and found 1) if the main thread sets the signal processing before create thread, then the created sub-process sets the signal of the main thread of the process. 2) If no signal is

Today, I don't know why I want to write this blog. I want to share my experiences and experience with anyone. It has been almost half a year since I got out of school. Despite some embarrassment and more worry in the face of your work, everything

Last_io_error: Got fatal error 1236 from master when reading data from binary log: 'Could not find first log file name in binary log index file'     When such an error occurs, it is usually re-init from the database, because the BINLOG file is

The usage of vector and list in STL was not clear for a while. I have learned some differences recently. Now I will summarize some differences. The vector provides a memory pre-application mechanism, that is, the memory size requested by the vector

Recently, I want to take the driving test theory, so I went to the recommended driving school to do exercises. I found this website almost matches"Open Source"Online exercises,WordThe version library, on-site videos, and exercise software are shared

ExplanationCode: # Include Int main (){Int * pint = new int;* Pint = 10;Cout Delete pint;Pint = 0; * Pint = 20; // oh no, this was deleled.Cout Return 0;}// Compile this program successfully, but when running it, collapse. The lost pointer is

Sun Shine 16:15:55Handsome guy, I have a mobile phone table with about 700 million data records. About 50 thousand million new records are added every day, in addition, there is a new update of about 0.1 million. Then, every night I import the

Today, I encountered some things related to processing database operations. Let's make a brief summary:   Yesterday, the boss arranged to test how many records can be inserted in a single database table. Therefore, he made a simple webpage to run

Proactor and reactor pattern _ literacy for continuing Concurrent System Design 6.6.2008 Kevin lynx Proactor and reactorAll are the design patterns in concurrent programming. In my opinion, they are all used to dispatch/detach Io operation events.

  Conditional variables are a synchronization mechanism of threads. The condition itself is protected by mutex variables. Before a thread changes the condition state, it must lock the mutex variable before calculation. Pthread_cond_wait

First, we will introduce some basic concepts: NAT (Network addresstranslators), Network Address Translation: Network Address Translation is generated when IP addresses are increasingly lacking. Its main purpose is to be able to reuse addresses. Nat

3. initialize the event_base instance of main_thread in the main () function. For details, see memcached. C. View plaincopy to clipboardprint?// Define the event_base instance of main_threadStatic struct event_base * main_base;// The following code

Reprinted from: http://storage.it168.com/a2012/0217/1313/000001313391.shtml NAS is short for network-attached storage. It is generally referred to as "network attached storage" or "network connected storage ". However, the patriotic insiders do not

I have been practicing in the company for three months. In the first month, I learned a lot about training and gave me a bunch of English documents to read and read without guidance. I finally signed an internship contract in the second month. It

  This is a mother who never takes the initiative to speak and escapes from an important occasion. She shocked the audience at her daughter's wedding and gave a marriage philosophy, which is memorable and worthy of reference, it is better to learn

I. Conversion between base classes and derived classes In three inheritance methods (public, protected, and private,A common derived class is the real sub-type of the base class. It fully inherits the functions of the base class. Data of different

Today is the lunar calendar 28, and tomorrow is the New Year's Eve. It's another year's summary. I have just graduated from school for half a year, and I have been working as an intern for nearly one year. I feel that I have grown a lot and gained a

  Conclusion: To close the program using code, we should send wm_close to the window or directly call the destroywindow (hwnd) function (by default, the message response of wm_close is to call the destroywindow (hwnd) function, therefore,