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问题 I code a List in a ScrollView, when I selected a List cell to translate to another view and return back, the cell selected indicator did not disappear after selecting. I hope after selected the list cell, the selected indicator should be disappear. I debugged, I found that the ScrollView has some problems when it worked with List.If no ScrollView, the list selection behavior is all right, if plus the ScrollView outside the list, the problem become. The other problem is How to remove the List

问题 Im trying make header separator with svg or pure css3 like this: preview from design In header i have standart bootstrap 4 carousel <section class="slider"> <div id="carousel" class="carousel slide carousel-fade" data-ride="carousel"> <div class="carousel-inner"> <div class="carousel-item active" style="background-image:url(images/20180818_STP501.jpg);"> <div class="container position-relative h-100"> <div class="carousel-container"> <div class="carousel-content"> <h2>Consectetuer adipiscing

问题 Assuming that I have a pandas dataframe and I want to add thousand separators to all the numbers (integer and float), what is an easy and quick way to do it? 回答1: When formatting a number with , you can just use '{:,}'.format : n = 10000 print '{:,}'.format(n) n = 1000.1 print '{:,}'.format(n) In pandas, you can use the formatters parameter to to_html as discussed here. num_format = lambda x: '{:,}'.format(x) def build_formatters(df, format): return { column:format for column, dtype in df

问题 Assuming that I have a pandas dataframe and I want to add thousand separators to all the numbers (integer and float), what is an easy and quick way to do it? 回答1: When formatting a number with , you can just use '{:,}'.format : n = 10000 print '{:,}'.format(n) n = 1000.1 print '{:,}'.format(n) In pandas, you can use the formatters parameter to to_html as discussed here. num_format = lambda x: '{:,}'.format(x) def build_formatters(df, format): return { column:format for column, dtype in df

问题 I am collecting data readings from my PV system. The web client will graph one day of data - I want to collect a whole year or two in one file for patterns etc. So far I capture lines into a cap file with Wireshark and just filter the data I want with headers and a few retransmitted packet. The data of interest is being sent to a js app but I want to lift out the data which repeats in each packet as date time=watts, see sample below... I was hoping to use AWK to parse the data into an array

问题 I am collecting data readings from my PV system. The web client will graph one day of data - I want to collect a whole year or two in one file for patterns etc. So far I capture lines into a cap file with Wireshark and just filter the data I want with headers and a few retransmitted packet. The data of interest is being sent to a js app but I want to lift out the data which repeats in each packet as date time=watts, see sample below... I was hoping to use AWK to parse the data into an array

问题 I want my Rails 2.3.2 app to respond to and generate URLs like so: /websites/asd.com /websites/asd.com/dns_records/new In my config/routes.rb, I have: map.resources :websites, :has_many => :dns_records map.resources :dns_records, :belongs_to => :website I can then access resources such as: /websites/1 /websites/1/dns_records By modifying my Website model, I can generate better URLs like so: class Website < ActiveRecord::Base def to_param domain_name end ... end # app/views/websites/index.erb

问题 I have a file in UTF-8, where some lines contain the U+2028 Line Separator character (http://www.fileformat.info/info/unicode/char/2028/index.htm). I don't want it to be treated as a line break when I read lines from the file. Is there a way to exclude it from separators when I iterate over the file or use readlines()? (Besides reading the entire file into a string and then splitting by \n.) Thank you! 回答1: I can't duplicate this behaviour in python 2.5, 2.6 or 3.0 on mac os x - U+2028 is

问题 I did a question about punctuation and regex, but it was confusing. Supossing I have this text: String text = "wor.d1, :word2. wo,rd3? word4!"; I'm doing this: String parts[] = text.split(" "); And I have this: wor.d1, | :word2. | wor,d3? | word4!; What I need to do to have this? (Keep the the symbols at the borders, but only that I specify: .,!?: , not all). wor,d1 | , | : | word2 | . | wor,d3 | ? | word4 | ! UPDATE I'm getting some good results with these regex, but it's giving an empty

问题 I would like to allow both "comma" and "dot" as separator in double. I could use replace method in string to get only one separator, but problem is that double value is value of JSpinner and I was not able to find any method to allow both separators. If I set locale for example to French only one separator is allowed. 回答1: Just use a custom formatter for the JFormattedTextField of the DefaultEditor of the JSpinner , like the code below: import java.text.ParseException; import javax.swing