I am trying to filter a DateTimeField comparing with a date. I mean: MyObject.objects.filter(datetime_attr=datetime.date(2009,8,22)) I get an empty queryset list as an answer because (I think) I am not considering time, but I want “any time”. Is there an easy way in Django for doing this? I have the time in the datetime setted, it … Read more
I have a scenario where a user wants to apply several filters to a Pandas DataFrame or Series object. Essentially, I want to efficiently chain a bunch of filtering (comparison operations) together that are specified at run-time by the user. The filters should be additive (aka each one applied should narrow results). I’m currently using … Read more
I want to order by Time,but seems no way to do that ? mysql> show processlist; +——–+————-+——————–+——+———+——–+———————————-+——————————————————————————————————+ | Id | User | Host | db | Command | Time | State | Info | +——–+————-+——————–+——+———+——–+———————————-+——————————————————————————————————+ | 1 | system user | | NULL | Connect | 226953 | Waiting for master to send event | … Read more
I have an object with some keys, and I want to only keep some of the keys with their value? I tried with filter: const data = { aaa: 111, abb: 222, bbb: 333 }; const result = _.filter(data, (value, key) => key.startsWith(“a”)); console.log(result); <script src=”https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.15/lodash.min.js”></script> But it prints an array: [111, 222] Which is … Read more
I have the following: <div>{{modal.title}}</div> Is there a way that I could limit the length of the string to say 20 characters? And an even better question would be is there a way that I could change the string to be truncated and show … at the end if it’s more than 20 characters? 26 … Read more
I have a dictionary of points, say: >>> points={‘a’:(3,4), ‘b’:(1,2), ‘c’:(5,5), ‘d’:(3,3)} I want to create a new dictionary with all the points whose x and y value is smaller than 5, i.e. points ‘a’, ‘b’ and ‘d’. According to the the book, each dictionary has the items() function, which returns a list of (key, … Read more
I have to filter a data frame using as criterion those row in which is contained the string RTB. I’m using dplyr. d.del <- df %>% group_by(TrackingPixel) %>% summarise(MonthDelivery = as.integer(sum(Revenue))) %>% arrange(desc(MonthDelivery)) I know I can use the function filter in dplyr but I don’t exactly how to tell it to check for the … Read more
I’m using jQuery. I have a string with a block of special characters (begin and end). I want get the text from that special characters block. I used a regular expression object for in-string finding. But how can I tell jQuery to find multiple results when have two special character or more? My HTML: <div … Read more
I’d like to understand the best way to filter an array from all elements of another one. I tried with the filter function, but it doesn’t come to me how to give it the values i want to remove. Something Like: var array = [1,2,3,4]; var anotherOne = [2,4]; var filteredArray = array.filter(myCallback); // filteredArray … Read more
This was my source I started with. My List L = [0, 23, 234, 89, None, 0, 35, 9] When I run this : L = filter(None, L) I get this results [23, 234, 89, 35, 9] But this is not what I need, what I really need is : [0, 23, 234, 89, 0, … Read more
