Easy as a one-liner: perl -lane ‘print join “,”, map qq(“$_”), @F[0, 1]’ -l handles newlines in print -n reads the input line by line -a splits each line on whitespace into the @F array @F[0, 1] is an array slice, it extracts the first two elements of the @F array map wraps each element … Read more
Use the HTTP verb to control what you want to do with the resouces: GET: /services -> returns all elements GET: /services/{id} -> returns element with id POST: /services -> creates a new object, pass the object in the body PUT: /services/{id} -> updates element with id, pass updated values in body DELETE: /services/{id} -> … Read more
Since “postcode” is an array, you can generate a random index as shown below: var s = 55; var random = function() { s = Math.sin(s) * 10000; return s – Math.floor(s); }; //… var postIndex = Math.floor(random() * postcode.length); var currentPost = postcode[postIndex]; For example: import { Selector } from ‘testcafe’; fixture `Getting Started` … Read more
This is because the data at myData[7] or myData[8] isn’t containing a parsable long value. Either debug or include logs to find the incorrect value and correct it. Use double instead. double latitude = Double.valueOf(myData[7]); 0 solved How to avoid number format exception in android while converting string into long?
Does any other language support this? C++ supports it. You can seek and you can write. But the fact that this is a very uncommon scenario to replace the same exact byte length and the fact that replacing a bunch of bytes with another bunch of bytes that has a different length is horribly inefficient … Read more
try to use this code: First way (you can use user defined function): Function getSomeData(E3 As Range, Table5 As Range, F26 As Range) getSomeData = “” If WorksheetFunction.VLookup(E3, Table5, 2, 0) >= F26 Then getSomeData= WorksheetFunction.VLookup(E3, Table5, 4, 0) * F26 End If End Function Than you can call it in any cell just typing … Read more
you need a scanner and parser. The scanner splits the input string into tokens. The parser takes those tokens and does the semantic checks and the calculation. The calculation can be done f.e. recursevly. 34-8*(3+1)-1 will become something like [i]34[op]-[i]8[op]*[bo][i]3[op]+[i]1[bc][op]-[i]1 that leads to subtract(34, [i]8[op]*[bo][i]3[op]+[i]1[bc][op]-[i]1) => subtract(34, multiply(8, [bo][i]3[op]+[i]1[bc][op]-[i]1)) => a.s.o. 3 solved C, Mathematic … Read more
What you could try is to use String.format like String output = String.format (“Name: %s\nMajor: %s\nAge: %s”, rp.studentRecords[x].getName(), rp.studentRecords[x].getClass().getName(), rp.studentRecords[x].getAge()); // then print it out System.out.println (output); solved Condensing multiple System.out.prinln() into one [closed]
Your were breaking out of the loop: (Btw i added a with statent for opening the file in a more pythonic way) order = input(“Please enter the name of the product you wish to purchase\n”) with open(“barcode.txt”,”r”) as myfile: details=myfile.readlines() #reads the file and stores it as the variable ‘details’ for line in details: if … Read more
You need to use it’s .Value property of your object to compare it, not itself. if (dtpTravelDate.Value < DateTime.Now) { MessageBox.Show(“Date Selected Cannot be Before Today’s Date”); } solved operator ‘< ' cannot be applied to operands of type 'system.windows.forms.datetimepicker' and 'system.datetime' [closed]
Create an array, type int, length 10. Initialize it with the multiple of 2. In your code snippet you are not Initializing the array but simply printing the values to the console. You’ll have to initialize it using either the loop or as follows: int[] values = {2, 4, 6, 8, 10, 12, 14, 16, … Read more
The best solution from a design perspective would be to subclass UITableViewCell (see this question). As for displaying the down arrow you have a lot of options to get some UIView subclas to display an arrow. I used the unicode character for a down arrow with a UILabel and it works well. You could also … Read more
You can turn all the tables into a wide data frame with list operations: library(rvest) library(magrittr) library(dplyr) date <- 20130701 rng <- c(1:4) my_tabs <- lapply(rng, function(i) { url <- sprintf(“http://apims.doe.gov.my/apims/hourly%d.php?date=%s”, i, date) pg <- html(url) pg %>% html_nodes(“table”) %>% extract2(1) %>% html_table(header=TRUE) }) glimpse(plyr::join_all(my_tabs, by=colnames(my_tabs[[1]][1:2]))) ## Observations: 52 ## Variables: ## $ NEGERI / … Read more
The idea that “some compilers don’t work properly” is absurd. If you’re comparing C-style strings via char* pointers, then the =, !=, <=, … operators compare the pointers, not the strings they point to. In that case, use the strcmp() function instead. But since you’re asking about the compare function, you’re clearly not asking about … Read more
Try this code: +(UIImage *)scaleAndRotateImage:(UIImage *)image { int kMaxResolution = 640; // Or whatever CGImageRef imgRef = image.CGImage; CGFloat width = CGImageGetWidth(imgRef); CGFloat height = CGImageGetHeight(imgRef); CGAffineTransform transform = CGAffineTransformIdentity; CGRect bounds = CGRectMake(0, 0, width, height); if (width > kMaxResolution || height > kMaxResolution) { CGFloat ratio = width/height; if (ratio > 1) { … Read more