This article mainly introduces part of the Python shopping cart user code, which has some reference value. interested friends can refer to the knowledge points: file reading, write operations, if judgment, for loop
Salary = input ("Enter your salary:") bought_list = [] product_list = {}with open ("product_list", "r", encoding = "UTF-8") as f1: for item in f1: p_name, p_price = item. strip (). split (':') product_list [p_name] = int (p_price) print (product_list) if salary. isdigit (): salary =
Over the past two months, news and rumors about two new hardware have begun to fly, with Google glasses and Apple Watches iwatch. Google glasses of news has not been "hearsay" category, and its specifications and shape is quite clear, we all know it will be released at the end of this year, some media people even have the opportunity to try it himself.
By contrast, the iwatch project has much less informat
French fashion in Paris
Paris and French fashion are world famous.French fashion is setting the trend with icon brands such as Chanel, Dior, Hermes, Jean-Paul Gaultier, Louis Vuitton and Yves Saint Laurent.Many lesser known French fashion designers turn Paris into the fashion city of the world. Look at our selection of French fashion brands.These fashion brands have stores in Paris. While in Paris, discover the best French fashion. A person
idea: buy buy buyThe metal casing and the waterproof watch body will make you feel better, the leather strap is comfortable, completely free of sticky or cold feeling, no discomfort.For the bracelet, do not like to go to the jewelry store with a metal chain you like, these are possible ~There are other features that incorporate previous wearable devices such as heartbeat, pedometer, alarm clock, running, and more.Stopwatch:Measuring heart rate:I talked about Android Wear and the corresponding S
principle of projecting two images into the user's two eyes, saying the move will effectively solve the discomfort caused by the user wearing the device and increase the image brightness and broaden the field of view.(3) Apple iwatchToday's smart devices are not limited to mobile phones and tablets, Google's research and development Glass "expand the reality" glasses let us bright, with the progress of science and technology, human beings already have a lot of sci-fi movies before the appearanc
and beautiful.
Another nice thing is wireless charging. Before purchasing the watch, I was wondering how to charge it? When I find my watch on a small table seat, it will automatically charge, with only one idea: Buy
The metal shell and waterproof table body will make you feel better. The leather strap is very comfortable to wear, and there is no adhesive or cold feeling at all, without any discomfort.
If you do not like the strap, you can go to the jewelry store to configure a metal chain be
methodImportScala.collection.JavaConversions.mapAsJavaMapImportJava.awt.font.textattribute._//The key that will be used to introduce the following mappingVal attrs = Map (FAMILY, "Serif", SIZE, 12)//Scala MappingVal Font =NewJava.awt.Font (Attrs)//the method expects a Java mapping6. TuplesA map is a set of key/value duality, and duality is the simplest form of a tuple--tuples are aggregates of different types of valuesThe value of a tuple is formed by enclosing a single value in parentheses. Us
. Once the query is complete, some mechanism is needed to publish the resulting data. For such a mechanism, Netflix has the following requirements:
You can notify Subscribers that the query is complete.
Supports different storage methods (not just HDFs, S3 or Cassandra, etc.)
Errors should be handled transparently, allowing monitoring and alerting.
Netflix uses its internal tools, Hermes, to deliver data in near real-time to subs
tag: des HTTP color OS Io STRONG FOR Ar art Is the belly button is pressed continuously, driving coach factory store handbags when it comes to the topic that will blow out. coach bags plastic bags are not generally Delete reusable, so it can be used only once, but some tote bags typically recycle, as well as can contain up to 12 months or more. shoes directed one slip. big cases with the small things: Why plastic boxes opportunity to submit a complete difference marketin Geri useful reason wicke
Before hacker marathon
In the first hackathon competition, we use "cross-border" to advertise to the world. As long as you dare to think about it, capital online can provide you with an environment to solve the problem and support you to solve it.
The second hackathon was themed as "Cross-border connection to the world". The competition was already over half. A group of geek people with their own attitudes were on the platform we provided, boldly implement your own ideas.
Maybe everyone
copies of 4.13 Netty
4.14 Netty threading model, especially with regard to business threads and the release of resources
3.5 Message Queuing Kafka, ROCKETMQ, Notify, Hermes
5.1 Kafka's File storage design
Copy replication process for 5.2 Kafka
5.3 Kafka copy of the leader electoral process
5.4 Kafka Message Loss issue
The message order problem of 5.5 Kafka
5.6 Kafka ISR Design and half-contrast
5.7 Kafka itse
8 super-cool pure CSS3 animations and source code sharing, cool css3 animation source code
In modern web pages, we are getting increasingly accustomed to using a large number of CSS3 elements, and browsers currently support CSS3, therefore, we may consider whether we can use pure CSS3 to create interesting or practical web pages. This article will share eight ultra-cool pure CSS3 animations, several of which are very classic, such as the one walking the elephant. If you are interested in CSS3, h
size and orientation of the screen is less important. But in combat this is not enough, Auto layout as its name, is only a constraint to the layout of the scheme, and in the specific circumstances of the corresponding device for the experience is still missing. One of the most obvious problems is that it cannot determine different interaction experiences based on the type of device. Many times you still need to determine whether the device is an iPhone or an iPad, and whether the device is in a
, if there are new sizes and devices, the dependency is obviously very fragile (think of IWatch). )。So in IOS 8, Apple overturned the original design philosophy and introduced a new set of ideas to adapt to the constant development of the device. This is Size Classes.They are no longer differentiated according to the specific size of the device screen, but are divided into normal (Regular) and compact (compact) two categories (class) through their sen
, shoot videos, provide directions for voice commands, share your photos and activities on social networks, search for a vegetarian, translate, and send messages with voice commands.Smart watchSmart watches have been in the market before, but due to its early thick and clumsy appearance, limited functional range, and did not achieve a good sales performance.With the advancement of technology, smart watches are becoming smaller, and the improvement of battery technology provides more possibilitie
requires an integer portion up to 10 bits and a fractional part of 2 bits Insert 3 records in the table, C_name "Zhangsan", "Lisi", "Wangwu", c_city try to write "Beijing", "Shanghai" ... INSERT INTO customers values(1, "Zhangsan", +, "M", "Beijing", 8000),(2, "Lisi", +, "F", "Shanghai", 10000),(3, "Wangwu", "M", "Shenzhen", 3000); 2, create an order form orders, the field requirements are as follows:o_id Integral typeO_name character type, variable length, width 30O_price floating-point type,
Rayo may be the most unlucky team in La Liga, who was sent off two people at the Bernabeu and eventually suffered 10:2 of blood. Facing Barcelona tonight, Rayo was sent off two people, eventually 1:5 home defeat. "As the newspaper" thought that the main cut in favour of Barcelona, Barcelona second goal is offside suspicion, Busquets in the production of red card plus penalty before offside. Diego-Trent in the first half of the shovel Lakitic was sent off, when the home coach
("%d\n", * (P + 1)); printf ("%d\n", p[1]); printf ("%d\n", * (p + 1 + 1)); printf ("%d\n", * (p + 1 + 1 + 1)); printf ("%d\n", *a); printf ("%d\n", * (a+1)); printf ("%-----d\n", a[1]); int b[] = {3, 8, 4, 9}; p = b;//pointer to//a = B;a is a constant, cannot be assigned, and the pointer is a variable that can be redirected (re-assigned). Array type, does not match pointer type, what is the problem? int b[] = {256, 5, 2, 7};
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