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How can I pad an int with leading zeros when using cout
...th of the field to be printed, and that's it.
If you are interested in knowing how the to format output streams in general, I wrote an answer for another question, hope it is useful:
Formatting C++ Console Output.
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Determining complexity for recursive functions (Big O notation)
...nd I need help determining the complexity of these recursive functions. I know how to solve simple cases, but I am still trying to learn how to solve these harder cases. These were just a few of the example problems that I could not figure out. Any help would be much appreciated and would greatly he...
What is the 'new' keyword in JavaScript?
...h value 'second'
// returns 'second'
It's like class inheritance because now, any objects you make using new ObjMaker() will also appear to have inherited the 'b' property.
If you want something like a subclass, then you do this:
SubObjMaker = function () {};
SubObjMaker.prototype = new ObjMaker...
Update Eclipse with Android development tools v. 23
I updated Eclipse with the new SDK tools (rev. 23), but now when Eclipse starts I receive the error:
43 Answers
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How to scroll to an element inside a div?
...t_within_div');
var topPos = myElement.offsetTop;
The variable topPos is now set to the distance between the top of the scrolling div and the element you wish to have visible (in pixels).
Now we tell the div to scroll to that position using scrollTop:
document.getElementById('scrolling_div').scr...
MSysGit vs. Git for Windows
...
(Now) they are the same (as of May 2015 but likely a bit earlier):
"msysgit" and "Git for Windows" have merged under the name "Git for Windows." msysgit.github.io now hosts "Git for Windows" and the main git download site git...
How do I get a background location update every n minutes in my iOS application?
...inate.latitude), @(mostRecentLocation.coordinate.longitude));
NSDate *now = [NSDate date];
NSTimeInterval interval = self.lastTimestamp ? [now timeIntervalSinceDate:self.lastTimestamp] : 0;
if (!self.lastTimestamp || interval >= 5 * 60)
{
self.lastTimestamp = now;
...
Prevent dialog dismissal on screen rotation in Android
...
The best way to avoid this problem nowadays is by using a DialogFragment.
Create a new class which extends DialogFragment. Override onCreateDialog and return your old Dialog or an AlertDialog.
Then you can show it with DialogFragment.show(fragmentManager, ta...
Best way to add Activity to an Android project in Eclipse?
...n Ubuntu 10.04. When the add dialog comes up, it has two selections... No, now only one "Create a new element at the top level, in Application." Ne;low that there is a text entry field and below that, a box with selections for Activity, Activity Alias, Meta Data and so on. Below that there are butto...
Difference between
...at you can only read from it and you'll get a T or subclass of T.
super
Now consider List <? super T>.
The wildcard declaration of List<? super Integer> foo3 means that any of these are legal assignments:
List<? super Integer> foo3 = new ArrayList<Integer>(); // Integer...