Herb Sutter’s book exceptional c++ style covers this precise topic in item 1: at applies bound checks and will throw an exception where [] will perform undefined behavior when used out of bounds. We have freedom to choose which one we want to use in line with c++ philosophy that one should pay only for … Read more
I just had to place the cpp file name in the Android.mk file… This is my first time so sorry… Fixed code: C++ #include <string.h> #include <jni.h> extern “C” { JNIEXPORT jint JNICALL Java_net_pixeldroidof_addonedit_MainActivity_getScreenY(JNIEnv* env, jobject thiz) { int number = 30; return number; } } Java public native static int getScreenY(); //And you can … Read more
You could use setTimeout(function(){dosomething}, timeout), btw. add console.log(‘something’) to see if the functions are actually executed. btw. if you’re using interval remember you might need to cancel it if you dont want it running forver, you could as well use recurring function (a function calling itself) with some condition on when to do processing or … Read more
Its the “no such file” side of the “No such file or directory” error. You need to include “w” write mode to create the file. filePassword = open(r”C:\Users\NemPl\Desktop\ProLan\Python\Python programi\user.” + profileName + “\pass.” + profilePassword, “w”) solved How to make a folder instantly (as os.makedirs() creates a folder after the program has finished)?
Shouldn’t the last line be fclose(fp)? I think that’s where things are going wrong. Change pclose(fp) to fclose(fp). fopen() -> fclose() popen() -> pclose() 0 solved Valgrind reports memory leak though there isn’t one [c]
I’m not an expert in python, but I’d recommend a for loop, so: # From 1 to 10 n = 0 for i in range(10): n = n + 1 abundant(n) Hope this helps! solved Abundant numbers list in Python
Unless you assign ElasticIP, the public ip of the instance will be changed after stop/start (but not after reboot). solved cant ssh to aws server
You can shorten this as much: $(document).ready(function() { $(‘#fromDate, #toDate’).click(function() { $(this).addClass(‘visited’); }); }); function apply() { var FirstName = $(‘#name’).val(); $(‘#name’).toggleClass(“error”, FirstName == “”); $(“#fromDate”).toggleClass(“error”, !$(‘#fromDate’).hasClass(‘visited’)); $(“#toDate”).toggleClass(“error”, !$(‘#toDate’).hasClass(‘visited’)); } Or you can pass this in the function args: <button class=”send” onclick=”apply(this)”>Send</button> now in the function: function apply($this) { var $els = $this.siblings(‘input’); $els.each(function(){ $(this).toggleClass(“error”, … Read more
Use the max built-in function with key kwarg. Refer to the docs of max for more details. It will return the sublist that has the max number, from which we take the first element (the “name”). li = [[‘ABC’, 1.4976557902646848], [‘LMN’, 1.946130694688788], [‘QRS’, 3.0039607941124085]] print(max(li, key=lambda x: x[1])[0]) # QRS You can use itemgetter instead … Read more
Add an event listener to some changing property and then change the font size accordingly. document.getElementById(“testInput”).addEventListener(“keyup”, function(){ var inputText = document.getElementById(“testInput”).value; document.getElementById(“test”).innerHTML = inputText; if(inputText.length > 10){ document.getElementById(“test”).style.fontSize = “8px”; }else if(inputText.length > 5){ document.getElementById(“test”).style.fontSize = “10px”; }else{ document.getElementById(“test”).style.fontSize = “12px”; } }); <input id=”testInput”> <div id=”test”></div> 1 solved Setting min and max font size … Read more
I solved problem with box collider. Box colliders are covering all of the trees and no problem. solved How to add mesh collider into trees in unity3d?
Create an outlet to your UIImageView called myImageView and an action for your UIButton called myButtonHit. -(IBAction)myButtonHit:(id)sender { self.myImageView.hidden = !self.myImageView.hidden; } solved Objective C / Xcode [closed]
Adding addition / characters is reasonably easy if you are certain the URLs are consistent – you can use a mixture of a Uri object to conveniently section the URL for you, combined with the string Replace() method: class Program { static void Main(string[] args) { var myUri = new Uri(“ftp://ftp.newsxpressmedia.com/Images/CB 967×330.jpg”); var modifiedUri = … Read more
Math.Sqrt XAML: <Grid> <Button Content=”√” HorizontalAlignment=”Left” Margin=”145,10,0,0″ VerticalAlignment=”Top” Width=”75″ Click=”OnSquareRootClick”/> <TextBox x:Name=”txtNumber” HorizontalAlignment=”Left” Height=”23″ Margin=”10,10,0,0″ Text=”” VerticalAlignment=”Top” Width=”120″/> <TextBox x:Name=”txtResult” HorizontalAlignment=”Left” Height=”23″ Margin=”240,10,0,0″ Text=”” VerticalAlignment=”Top” Width=”120″/> </Grid> Code Behind: private void OnSquareRootClick(object sender, RoutedEventArgs e) { double number; var isDouble = double.TryParse(this.txtNumber.Text, out number); if (isDouble) { this.txtResult.Text = string.Format( “{0}{1} = {2}”, “\u221A”, this.txtNumber.Text, … Read more
public static void selectionSort1(int[] x) { for (int i=0; i<x.length-1; i++) { for (int j=i+1; j<x.length; j++) { if (x[i] > x[j]) { // Exchange elements int temp = x[i]; x[i] = x[j]; x[j] = temp; } } } } solved Java Selection sort [closed]