Black Horse programmer _ network programming, black horse programmer Network Programming--------- Java training, Android training, iOS training, and. Net training are coming to be discussed with you! ------I. Overview:1. layer-5 protocols combined with OSI and Tcp:2. Introduction to protocols at different layers: OSI reference model:1. Layer Physical Layer: It mainly defines physical device standards, such
Release of programmer thinking: Breaking the norm, and breaking the norm of programmer thinkingMake a summary for the following time:For programmers like me who have just been on campus, they may be more concerned with code details, instead of training their divergent thinking projects one by one. Many things are overlapping, we never wondered why it was like this? Why is this problem? Why should the logic
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phase. It's ready to work. I can have a rest and there should be no problem. Wait, no! It all collapsed. Yes, I did not say wrong: everything.In fact, there are tools that make it easier to find and solve existing problems.
Sentry. When any of your users have an error-you will receive a notification. Almost all programming languages are bound;
Use different services and tools to collect logs from multiple processes and servers in one place;
Server monitoring. This is where you
How to optimize C language code (programmer must Read)5, reducing the intensity of the operation can replace the original complex expression with an expression with a small operand but with the same function. as follows: (1), to find the remainder operation. A=a%8; can be changed to: a=a7Note: Bit operations can be done in only one instruction cycle, while most of the C compilers '%"operations are called subroutines to complete, the code is long, the
A programmer's diary 3-22, a programmer's diary 3-22
This is the first time I wrote an article, not so much as a log essay. I wrote this kind of things on the network for the first time (if the log of the QQ space was not included ). For today's reason why I wrote this article, it is really painful to go to bed. At, I am still working in the company. Our company culture is like this. But fortunately, there is a certain subsidy. But as an intern, I don't care about it now. This is because I chose
heart is very difficult to calm, often will halfway.In addition, there is one thing to say is that the students are worse than my base estimates are difficult to find, so, can learn to become, the key is not whether you have the foundation, but is how much you pay.Next, I have changed their network name Goosman, is from the Swan Goose Evolution, I do not know "Honghu" in English how to say, the use of this word, I hope I can like the book said, using their own accumulation of the previous 5 yea
eat less than two or two shrimps yesterday and kept my body properly, I just escaped from the mesh.
In addition to being fat and thin, I recently paid special attention to the programmer's eye problems. As I said above, "we are troubled by things." In fact, I have been running several times in the company, home, and hospital over the past two weeks. My family had just had an eye disease and had an operation. But what surprised me most is that I have heard of several programmers who have visited
handle critical computing scenarios in various programs elegantly. However, he usually replies to the email after several days of delay. you rarely see him answering the phone. He does not seem to really understand the importance of completing the task on time. He does his work in his own way, it's impossible for you to figure out what he thinks, but it just feels like he has some infinite thoughts in his mind.
GabrielNot a very good programmer. Th
1 Experience
1.1 for employment, Shenzhen is a very realistic place, he will not ask whether you are a key university graduate, not to ask you are SM degree, more value is personal experience, you can do things.
1.2 A programmer, must often learn, not lag behind the times, to actively learn new technology
1.3 Hong Kong and Taiwan enterprises pay attention to the young and the elderly, subordinates can not directly call the boss's name, and in orde
Program | Programmer One, accept the development tool upgrade, but that's all. Tools are better used, the program is basically the original writing, apply an old saying: no silver bullets.
Second, the first concern is the framework, that is, the structure of the entire system. There are many good structures to use, do not have to do everything yourself, but must understand, and do more exercises.
Third, learn some object-oriented concepts, such as
Bit operationOne common task is to program the microcontroller MCU to enable or disable some bit of the IO register. Fortunately, standard C has good and applicable bit operation functions, without the help of assembly instructions or other
When we use 128 as the Ultrasonic Ranging module, there are always some gaps in the values, and the values are not stable enough.
Check the program. The timer should start when the timer is started, rather than when the terminal is enabled.
But
Note the following:
Although the I/O port irrigation current can reach 20 mA (VCC = 5 V), 10 Ma (VCC = 3 V ), but must follow:
Tqfp and MLF Encapsulation
1] The total number of all ports cannot exceed 400.2] fill current sum of port A0-A7, G2, C3-C7,
Function Description:
LCD1602 LCD display year, month, day, hour, minute, second, week, temperature, three buttons control time and date adjustment and alarm settings.
Three buttons:
1. "school Hour" key, adjust the second, minute, hour, week,
I used to want to use the compiler to write the MCU's C code, what the compiler did to help us. How the compiler allocates variables and code. So just idle to see what the compiler's installation path is. The ICCAVR compiler and Atmel Atmega64 are
JDK1.7, tomcat 7.0.39, and openssl installation 0.9.8
Operating System win7
Command line:
1. Generate the CA private key and self-Signed root certificate
① Generate the CA private key
Openssl genrsa-out F: \ CA \ ca-key.pem 1024
② Generate the root
("ABC man \ n"); The return value is 7 because one Chinese is 3 characters. 9. Exercises 1. Write a function double AVR (int a, int b)to calculate The average of A and b 2. write a function int pows(int base, int n) returns the n- th square of the base 3. Write a function int pieadd (int n), calculate The value of the 1+2+3+......+n and return. For example , the return value of Pieadd (3) is 1+2+3=6 10 . Declaration of functions 1.
I am in the "random Talk about the programmer series: Gee, you are also fooling around" the article describes a kind of the current situation, a friend said that the article only mentions the setting goals farewell to the muddle and did not start to discuss "how to set goals", "how to work for the goal" of the two key issues, that is, I raised the question but This time, I decided to talk seriously about how to set goals and how to work for them. Ever
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