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
product. In fact, before the launch of AppleWatch, Apple's iphone already had many third-party wearable devices, such as the famous Fitbit. The Fitbit Bracelet is comfortable to keep pace, monitor data and calculate physical energy consumption using the appropriate algorithm. But it's just a bracelet, not a smart device that can interact.Writing here, I realize that this article is not about the interactio
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
Earlier this year, Microsoft confirmed that it would bring the GATT Server APIs for WIN10 mobile devices, later this year. GATT agreements are important for wearable equipment services, such as smart bracelet, smart watch, etc.
Microsoft employee Clint Rutkas at the end of September that the Bluetooth team is working to add the GATT Server APIs to the WINDOWS10 system and will be open to Win10 Mobile Insider users first, and the SDK is coming this year. For example, the current
Once the millet bracelet was released, it ushered in two different voices on both sides. There are those who condemn and those who applaud.A condemned person is a profit-making person, such as an existing smart bracelet manufacturer, an investor, a channel trader, some mobile phone manufacturers who have entered or have already entered the market.The applause, of course, are numerous users.As a user, I applaud the pricing of Xiaomi smart bracelet. As a smart wearable entrepreneur, I also have to
all along, people have imagined what kind of wearable devices Apple will launch, with the same pedometer as Jawbone and Fitbit, or a smart watch like Pebble, which now looks Apple seems to have found its way to wear, starting with the music. according to foreign media reports, Apple intends to buy Beats with billionsof dollars, the deal is close to reaching. The ipod that Steve Jobs invented changed the way people listen to music, and now Cook wants t
learning management system enterprise. Disclosure: Redpoint Company is an investor of 2U company. In the past five years, seed investors have invested about 4% of their capital, but a round of investors have not followed suit.
FinTech
FinTech, including all start-ups in the Bitcoin ecosystem, had a good and bad financing situation within five years, with the 2014 Dragsaw declining and the winners of the initial financing on a massive increase in subsequent rounds of investment, bu
hour you will receive a message reminding you to "win" this hour for five minutes of exercise. It encourages you to take action immediately and is an excellent trigger.
Interesting: Users receive a lot of reminders every day, it's hard to get attention from users, and interesting triggers can stand out.
MyFitnessPal, a movement and diet tracking software, alerts users to action by repeating push. And Carrotfit, also a sports and diet tracking software, uses a serious, fun, and div
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
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,
("%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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