counter

问题 I want to use the performance counter output in my program. How can I access the performance counter in code without using the perfmon.exe. I want to create my own performance counter app. 回答1: This is exposed via the PerformanceCounter Class. 回答2: You can fully interact with performancecounters throught the System.Diagnostics.PerformanceCounter classes (Documentation and examples here). 来源： https://stackoverflow.com/questions/2712649/how-can-i-access-the-c-sharp-performance-counter-in-the

问题 A set uses .update to add multiple items, and .add to add a single one. Why doesn't collections.Counter work the same way? To increment a single Counter item using Counter.update , you have to add it to a list: c = Counter() for item in something: for property in properties_of_interest: if item.has_some_property: # pseudocode: more complex logic here c.update([item.property]) elif item.has_some_other_property: c.update([item.other_property]) # elif... etc Can I get Counter to act like set (i

问题 The below code is running for first three elements of the tuple of this list SS1=[(1, 2, 3, 4, 5), (1, 2, 3, 4, 6), (1, 2, 3, 5, 6), (1, 2, 4, 5, 6), (1, 3, 4, 5, 6), (2, 3, 4, 5, 6)] from collections import Counter c = Counter(elem[0:3] for elem in SS1) for k, v in c.items(): if (v > 0): print(k,v) and the output is: (1, 2, 3) 3 (1, 2, 4) 1 (1, 3, 4) 1 (2, 3, 4) 1 But my expectation is not just for first three tuple...i want the counter for tuple (0,2,3) or tuple (1,2,4) likewise i can pass

问题 How to implement a live and persistent number counter on a site So I was looking at this question (^) and I want to do the exact same thing except a little different. I need one of these that counts up 15.8 cents per second from the numb $138,276,343 Preferably I would like to have the commas like a normal dollar amount. Any way I could get this working? I'm stumped. Like the poster of the above question, I don't have much JS knowledge. 回答1: This took me quite a long time to answer since I

问题 Just thought I would share the answer to the problem I had. I was looking for a way to count all the likes and comments from each of the photos in my photo album on Facebook. My photo album had thousands of likes and comments spread out over hundreds of photos so there was no way it could be done by hand. I couldn't find an existing way to do it automatically so here is my solution. After lots of experimenting with the Facebook Graph API trying to figure out how to get the info from Facebook

问题 This question already has answers here : Letter Count on a string (11 answers) Closed 2 years ago . I am trying to make a Python script which counts the amount of letters in a randomly chosen word for my Hangman game. I already looked around on the web, but most thing I could find was count specific letters in a word. After more looking around I ended up with this, which does not work for some reason. If someone could point out the errors, that'd be greatly appreciated. wordList = ["Tree",

问题 Im trying to find the number of whole words in a list of strings, heres the list mylist = ["Mahon Point retail park", "Finglas","Blackpool Mahon", "mahon point blanchardstown"] expected outcome: 4 1 2 3 There are 4 words in mylist[0], 1 in mylist[1] and so on for x, word in enumerate(mylist): for i, subwords in enumerate(word): print i Totally doesnt work.... What do you guys think? 回答1: Use str.split : >>> mylist = ["Mahon Point retail park", "Finglas","Blackpool Mahon", "mahon point

问题 I want to get the count of missed calls and unread messages in my application. and I'd like to open the relevant application when user click on the count. Now biggest problem is how to get the count? I searched online but couldn't find any solution. Thanks in advance. 回答1: http://developer.android.com/reference/android/provider/CallLog.Calls.html Take a look at this CallLog class. All you need is to query the phone for any calls then extract missed one (оr do this when you are querying the

问题 I used Counter on a list to compute this variable: final = Counter(event_container) print final gives: Counter({'fb_view_listing': 76, 'fb_homescreen': 63, 'rt_view_listing': 50, 'rt_home_start_app': 46, 'fb_view_wishlist': 39, 'fb_view_product': 37, 'fb_search': 29, 'rt_view_product': 23, 'fb_view_cart': 22, 'rt_search': 12, 'rt_view_cart': 12, 'add_to_cart': 2, 'create_campaign': 1, 'fb_connect': 1, 'sale': 1, 'guest_sale': 1, 'remove_from_cart': 1, 'rt_transaction_confirmation': 1, 'login'

问题 I used Counter on a list to compute this variable: final = Counter(event_container) print final gives: Counter({'fb_view_listing': 76, 'fb_homescreen': 63, 'rt_view_listing': 50, 'rt_home_start_app': 46, 'fb_view_wishlist': 39, 'fb_view_product': 37, 'fb_search': 29, 'rt_view_product': 23, 'fb_view_cart': 22, 'rt_search': 12, 'rt_view_cart': 12, 'add_to_cart': 2, 'create_campaign': 1, 'fb_connect': 1, 'sale': 1, 'guest_sale': 1, 'remove_from_cart': 1, 'rt_transaction_confirmation': 1, 'login'