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What are the differences between Rust's `String` and `str`?
...of UTF-8 bytes of dynamic length somewhere in memory. Since the size is unknown, one can only handle it behind a pointer. This means that str most commonly2 appears as &str: a reference to some UTF-8 data, normally called a "string slice" or just a "slice". A slice is just a view onto some data,...
html5 - canvas element - Multiple layers
...text.fillStyle = 'yellow';
context.fillRect(0,0,600,250);
// Now return the globalCompositeOperation to source-over and draw a
// blue rectangle
context.globalCompositeOperation = 'source-over';
// Draw a blue rectangle
context.fillStyle = 'blue';
context.fil...
Google Maps API v3: How to remove all markers?
...ry? I realize JavaScript has automatic garbage collection, but how do we know Google's API does not hold a reference to the marker when setMap(null) is called? In my application, I add and "delete" a ton of markers, and I would hate for all those "deleted" markers to be sucking up memory.
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Unrecognized attribute 'targetFramework'. Note that attribute names are case-sensitive
...Panel open IIS manager -> on Left side select "Application Pools" -> Now on middle part your project listing display then select your project e.g. "MvcApplication1" -> from right side select "set Application Pool Defaults" -> Now change .Net Framework Version from V2.0 to V4.0
This one...
How can I debug a HTTP POST in Chrome?
...
Now it's available in standard builds of chrome itself!
– Nachiketha
Dec 17 '15 at 10:09
add a comme...
Maven does not find JUnit tests to run
...
Note that the surefire documentation now claims that **/*Tests.java is a default include!
– Gareth
Oct 13 '17 at 9:54
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How to include external Python code to use in other files?
...t explicitly name them, like:
from Math import Calculate, Add, Subtract
Now, you can reference Calculate, Add, and Subtract just by their names. If you wanted to import ALL functions from Math, do:
from Math import *
However, you should be very careful when doing this with modules whose conten...
How to resume Fragment from BackStack if exists
...ame())){
setTitle ("C");
//set selected item position, etc
}
}
Now, whenever the back stack changes, the title and checked position will reflect the visible Fragment.
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improve thi...
Safely override C++ virtual functions
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@Jon: OK, now I see what you were driving at. Personally I could take or leave C# style override functionality; I've rarely had problems with failed overrides and they've been relatively easy to diagnose and fix. One think I won't agre...
How to resize a VirtualBox vmdk file
...e the UUID automatically. I had to remove the hard drive from the list of known hard drives (File -> Virtual Media Manager) and then re-add it to the instance.
– Chaim Eliyah
Dec 14 '17 at 22:14
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