You might want to use User Settings. They’re different from Application Settings because they can be read and write between different sessions of the same applications. You can create a new setting at design time: Solution Explorer > Properties Double-click on the .settings file (this creates a new set in the default settings). Set name … Read more
There is one semicolon after the if statement that is causing the problem. if (i!=0); { //this will always execute } change it to if (i!=0) { //this will execute if i != 0 } The compiler does not warn you because the first statement is syntactically valid. solved C: Weird conditional printf behavior [closed]
For C/C++, you can create a structure to hold a x and y value. typedef struct { double x; double y; } Coordinate; Inside your main function, you can initialize it like that: Coordinate treasure = {1.5, 3.2}; To modify a variable’s value: treasure.x = 3.0; treasure.y = 4.0; solved Declaring a 2D coordinate in … Read more
You should not use key=int in c.sort(key=int) as c is already a list of ints due to you creating it via c.append(int(digit)). However the key issue is that c.sort() is in-place and as such returns None, instead use sorted which returns a sorted list: csort = sorted(c) And then you can print the boolean result … Read more
Without more information we are left to guess at what would help your situation. In order to process something like this, you’re most likely going to need a stronger, more processed language to work alongside HTML such as PHP, .NET, JavaScript or one of the many other choices. Your <form>‘s processing will need to pass … Read more
You can pass a vector as the first input to plot and a matrix (with a dimension which matches the size of the first vector) as the second input and it will create a plot for each pairing of the first vector and each row/column of the second input. plot(X, Y, ‘o’) This will automatically … Read more
Interfaces are public “contracts” whenever you want to be able to swap the implementation or give someone the flexibility to use another implementation you should use interfaces. Example: You want to store something so you can load it later. You could use something like public function save(MySQL $db, array $data); But this is not very … Read more
your .container class is getting applied. The problem is that your .project class container completely covers the parent container i.e. .container. Add padding to .container class or reduce width of .map class to below 100%, to see it work. You can do it like so – .container { width: 1400px; margin: 0 auto; background-color: blue; … Read more
The regex pattern would be: String configSting=”Rs|RS|rs|rupee”; String regEx=”(?:^|(?<=[^a-zA-Z]))(“+configSting+”)(?:(?=[^a-zA-Z] )|)”; Pattern stringPattern = Pattern.compile(regEx); solved how to write regex expression in java [closed]
public class Demo { public static void main(String[] args) { String question = “The inventor of Java was _James Gosling_”; Pattern p = Pattern.compile(“_(.*?)_”); Matcher m = p.matcher(question); if (m.find()) { System.out.println(“question before edit : ” + question); String answer = m.group(1); System.out.println(“Answer after edit : ” + m.group(1)); question = question.replace(answer, “_______”); System.out.println(“question after … Read more
From Django documentation for cache Finally, if you want to delete all the keys in the cache, use cache.clear(). Be careful with this; clear() will remove everything from the cache, not just the keys set by your application. You can also flush content of memcached by connecting by telnet or nc and executing flush_all echo … Read more
You can use a player.performCommand(String command); Example: Player player; player.performCommand(“server multiplayer”); //No slash 0 solved Sudo player command on gui click
We can use data.table to get the fastest extraction using either unique with by option unique(df2, by = “Person”) Or extracting with row index setDT(df2)[df2[, .I[1L],Person]$V1] Update If we need the minimum ‘Age’ row per ‘Person setDT(df2)[, .SD[which.min(Age)], Person] Or if we prefer dplyr, then library(dplyr) df2 %>% group_by(Person) %>% slice(1L) Update df2 %>% group_by(Person) … Read more
At first, you should be able to understand the basics of flex styles. Small list of tutorials in no particular order: https://facebook.github.io/react-native/docs/flexbox.html https://code.tutsplus.com/tutorials/get-started-with-layouts-in-react-native–cms-27418 http://www.reactnativeexpress.com/flexbox Really, you don’t need much else, only exercise. However, if you’re not looking for propositive ideas to enhance your react-native understanding, but you just need somebody who can get the work … Read more
You didn’t provide parameters for cal_volume() and display() in your def main(). It should be: import math def main(): radius = get_radius() calculate = cal_volume(radius) dis = display(calculate) # print out the result? def get_radius(): rad = float(input(“Enter the radius :”)) return rad def cal_volume(radius): return 4/3*math.pi*radius**3 def display(cal_volume): print(“The volume is :”,cal_volume) main() 1 … Read more