formatting

问题 This question already has answers here : How to read a specific line using the specific line number from a file in Java? (17 answers) Closed 4 years ago . I don't know how to get a specific line of text from a file. Let's say the text file is: (1) john (2) mark (3) Luke How can I get the second line of the text file (mark)? I just need to read it, not to edit it. 回答1: int n = 2; String lineN = Files.lines(Paths.get("yourFile.txt")) .skip(n) .findFirst() .get(); For pre-Java 8, you could do

问题 Simple question, I have array: array( 'aaa' => 1, 'bbbbbbbb' => 2, 'ccccc' => 3, 'dd' => 4 ); and I want format code to: array( 'aaa' => 1, 'bbbbbbbb' => 2, 'ccccc' => 3, 'dd' => 4 ); Is there a Formatting option to do this, because I don't see anything like this? PS. Sorry for my English. 回答1: PHP code into NetBeans 7.1 In Alignment category there are new properties for Group Multiline Alignment - Assignment and Array Initializer. On the left site - Assignment property is off and on the

问题 i was wondering if anyone knows how to stop xmldocument.Save() from reformatting the document. Its not that the document is not formatted correctly with respect to XML, the particular document i am working with has lots of white space and things like that which - upon save - is all being removed. 回答1: Set the PreserveWhiteSpace property to true before you save the document. 回答2: set PreserveWhiteSpace to true 来源： https://stackoverflow.com/questions/1684253/xmldocument-class-is-removing

问题 I have seen some posts that say you can NOT perform conditional formatting using xlwt , but they were rather old. I was curious if this has evolved? I have been searching for about half a day now. Furthermore, if I con't write it directly from xlwt , can I create an .xls file containing a single cell with the conditional format I want and have xlrd read that format and paste it into the sheet I aim to produce then using xlwt ? 回答1: xlrd and xlwt still don't support conditional formatting .

问题 Closed . This question is opinion-based. It is not currently accepting answers. Want to improve this question? Update the question so it can be answered with facts and citations by editing this post. Closed 5 years ago . Looking at other people's code it seems really common to include an extra space inside curly brace blocks. Is there a reason for that? To me it seems to add extra keystrokes for added ugliness. Especially when things get nested: lambda { (1..5).map { |i| { :a => { :b => i } }

问题 Closed . This question is opinion-based. It is not currently accepting answers. Want to improve this question? Update the question so it can be answered with facts and citations by editing this post. Closed 5 years ago . Looking at other people's code it seems really common to include an extra space inside curly brace blocks. Is there a reason for that? To me it seems to add extra keystrokes for added ugliness. Especially when things get nested: lambda { (1..5).map { |i| { :a => { :b => i } }

问题 In my database I have values like 256.23, 200.33, 89.33, 133.45, I have to multiply these values with thousand and then format the result as price(comma separated) 256.23 x 1000 = 256230 I want to show this as 256,230 200.33 x 1000 = 200330 I want this as 200,330 89.33 x 1000 = 89330 I want this as 89,330 Currently I am using formula echo "Price is : $".$price*1000; But how to format this, I've no idea. 回答1: You are looking for the number_format function. $price=123456; echo number_format(

问题 I have (in Python 3): print('event {} happened on these dates: {}'.format(event_name, date_list)) My date_list is a list of datetime.date objects. I would like to change the format from: event A happened on [datetime.date(2011, 5, 31), datetime.date(2011, 6, 15)] to event A happened on [2011-05-31, 2011-06-15] What's the best way to achieve that? I was hoping I could keep using the format() function, but I don't see how. 回答1: Printing a list gives the repr of the items inside the list. To get

问题 I'm not that familiar with I18N in Rails so bear with me. Trying to set a custom date & time format: #config/locales/en.yml en: date: formats: long_dateweek: "%A, %B %d, %Y" time: formats: very_short: "%H:%M" But when I try to use them I just get the default formats: 1.9.3p194 :001 > Time.now.to_date.to_s(:long_dateweek) => "2012-08-22" 1.9.3p194 :002 > Time.now.to_time.to_s(:very_short) => "2012-08-22 16:12:47 -0700" Tried restarting console (and even the server) to no avail... What'd I miss

问题 I have a .csv file with account codes in the form of 00xxxxx and I need them to stay that way for use with other programs which use the account codes in this format. I was just working on an R script to reconcile account charges on Friday and swore that as.is = T was working for me. Now, it doesn't seem to be. Here's some example data: test <- data.frame(col1 = c("apple", "banana", "carrot"), col2 = c(100, 200, 300), col3 = c("00234", "00345", "00456")) My write.table strategy: write.table