The Zen of Pythonbeautiful is better than ugly. Explicit is better than implicit. Simple are better than Complex.complex is better than complicated. Flat is better than nested. Sparse is better than dense. Readability counts. Special cases aren ' t special enough to break the rules. Although practicality beats purity. Errors should never pass silently. Unless explicitly silenced. In the face of ambiguity, refuse the temptation to guess. There should i
Enter import this in Python and you will see the "Zen of Python" written by Tim Petersthe Zen of Python, by Tim Peters Beautiful isbetter than ugly. Explicit isbetter than implicit. Simple isbetter than complex. Complex isbetter than complicated. Flat isbetter than nested. Sparse isbetter than dense. Readability counts. Special cases aren'T special enough to break the rules.Although practicality beats purity. Errors should neverPasssilently. Unless ex
-on is changed and the power-on is cyclically powered on in the order of A → C → B → A, the rotor rotates 3 ° in a clockwise direction with each power-on pulse. Because each moment only one phase winding is powered on, and the cycle is powered on by three power-on states, it is called a single three-shot operation mode. The step moment angle θ B is 30 ° during Single-three-shot operation. There are two power-on modes for the three-phase stepper motor, namely, the power-on by AB → BC → ca → AB se
the no character to sing the song. Because the vowels of the English no word are narrower than those of the upper half, the upper half can be taken. (A narrow vowel will bring the voice to the beginning, while a broken vowel will bring the voice to the chest. Therefore, when singing a high-pitched song, keep the vowels narrow .)
7. Use nuuh (furious)Sounds. In the above example, the narrow vowels bring the voice to the top, and in this example, that is, when the vowel is opened (that "ah" sound
opinion, the acquisition of mojang is definitely a double-edged sword for Microsoft.
USD 2.5 billion! Microsoft has invested heavily in the acquisition of popular game manufacturers
To be honest, the $2.5 billion acquisition of mojang is not much more than Microsoft's $7.2 billion acquisition of Nokia, Facebook's $ more than 19 billion acquisition of WhatsApp, and Apple's $3.2 billion acquisition of beats. The problem is that Nokia was once the domin
the protection program and serves as the heart of the program. When the program runs normally, the heartbeat count is also normal. This module is released as a dynamic library. Provides two interfaces: Heartbeat start and heartbeat stop. The second part is the heartbeat recovery module. Started by the heartbeat counting module, this module monitors the running status of the protected program. When an exception occurs to the protected program, it deletes the existing process, restarts the protec
The main board can sing and play beautiful music based on the music. Do you believe it? Believe it or not, I believe it, ^ _ ^.
Windows API provides such a wonderful pronunciation function, which is the beep function. Beep can be used to control the voice frequency and festival beats of the Main Board speaker to play beautiful music. This article uses the music notation to play several beautiful songs to show beep's crazy charm.
First, let's refer to
In the face of many music, staff typesetting software in the market, these softwares can complete the general composing work, but they also have a lot of use, function and some other situation difference. The following will be a more user evaluation of the current number of better four kinds of music, staff typesetting software Sibelius3.0, Finale2003, Encore4.5, Overture3.0.2 do a brief introduction.In more replay software if the choice of finale is equal to one step selected the world's most a
, adjective, adverb, numeral, quantifier, pronoun). The weak shot falls to the non-stressed syllable or the function word (article, conjunction, preposition, exclamation).
Practice (Large o stands for strong beats, small o for weak beats)
/O o/
never mind/wait and see/come along/put it down/hurry up/good ID Ea/let me see/time for Lunch/take it off/what a crowd/thanks a lot/out o
The power frequency machine is a traditional X-ray equipment that uses 50Hz AC as the power supply of High Voltage Generators. We know that the composition of X-ray machine (or X-ray equipment) can be roughly divided into two parts: X-ray Generator (X-ray source) and auxiliary equipment. The following discussion will confuse the x-ray machine with the X-ray generator without distinction.
High-voltage power supplies of power frequency X-ray machines are generally in the form of single-phase self
repetitive beats and intensive drums, it is a music of a few melodious heavy metals. The length of the music is very short, ranging from two seconds to three minutes. "Grinding core" is an extremely uncommon heavy metal music style, which is used by most "Death Metal" bands.
Representative band: Napalm Death
Grunge metal junk (decadent)Synonym for alternative rock. Metal-like rock, which originated from Seattle, basically belongs to alternative rock
, we will discuss the theme of this week's intensive meeting, such as the discussion of Team values and the preparation of documents;
② On Wednesday morning, assign a special person to buy fruit and tea, and the cost will be calculated by project members in the AAA format;
③ At six o'clock P.M. on Wednesday, all the staff went to the elevator room and sat around, had a tea and discussed the topic, and arranged a special person to record the meeting. The host finally summarized the results;
④ Sen
functions of the program are implemented by plug-ins. In this way, you can add new plug-ins to customize the piwik that suits you best. Many plug-ins have been developed in the community. If you have special needs, you can develop your own plug-ins to process data in different ways to precisely meet your needs.
Why did you start this project?
Many people are eager to save sensitive information, such as network login data, for security and privacy considerations. This is one of the reasons for t
We live in an age surrounded by numbers. Information changes rapidly, open the computer can see a lot of news, not only the country and other countries. These rely on the internet to spread so quickly, and the Internet relies on computers to show people. The world's first computer Eniac was born in 1964 at the University of Pennsylvania in the United States, its volume is very high, power consumption, can store less data, the CPU can not do very advanced calculation. However, the development of
jiffies The total number of beats that have been generated since the system started. externUnsignedLong volatilejiffies;externU64 jiffies_64; Comparison of several macros of time: Time_after (unknown, known)//unknown after known? True:false;Time_before (unknown, known)//unknown before known True:false;Time_after_eq (unknown, known)//unknown after or eq known? true:false;Time_before_eq (unknown, known)//unknown before or eq known? true:false;where the
Sync is a method of CANopen to manage the synchronous data receiving and dispatching of each node, which is equivalent to the network beats, and the synchronized PDO performs real-time data transmission according to this network beat. Sync belongs to the production/consumption mode of communication, there is only one sync producer in the network, there are generally many consumers, whose network identifier is high priority, generally set to 0x80, basi
Problem DescriptionRock, Paper, Scissors is a-a-player game, where each player simultaneously chooses one of the three items after counting to three. The game typically lasts a pre-determined number of rounds. The player wins the most rounds wins the game. Given the number of rounds the players would compete, it's your job to determine which player wins after those rounds has been played.The rules for what item WINS is as follows:? Rock always beats S
transported by climbing walls to the trapped crowd during emergency relief, especially for building fires. Another message is about a wonderful bug in Apple Watch, where the skin is too dark or someone with a tattoo is not suitable.Theverge, an American science and technology news website, points out that for young people who hesitate to tattoo their arms, they have another reason not to tattoo: This may not be "compatible" with an Apple Watch. It is analyzed that tattoos affect the heart rate
ELK has become the most popular centralized log solution, it is mainly composed of Beats, Logstash, Elasticsearch, Kibana and other components to jointly complete the real-time log collection, storage, display and other one-stop solution. This article is mainly about the distributed real-time log analysis Solution ELK deployment architecture, the need for friends can see
I. Overview
ELK has become the most popular centralized log solution, it is main
feature is really powerful, and its tail plug-in can also be used to collect logs from files, but the tail plugin configuration is complex and the documentation is less detailed than filebeat.
COLLECTD other plug-ins can collect a lot of data, but also have plug-in support to send data to Logstash and INFLUXDB, but most plug-in features we do not use, and elastic stack beats can also be very good collection of data such as system parameters, And wit
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