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In C#, why is String a reference type that behaves like a value type?
...rence, rather than primitive, type. Plus, if string were a value type then converting it to object would require it to be boxed, a needless inefficiency).
– Qwertie
Jun 25 '10 at 15:50
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What is the difference between “px”, “dip”, “dp” and “sp”?
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I will elaborate more on how exactly does dp convert to px:
If running on an mdpi device, a 150 x 150 px image will take up 150 * 150 dp of screen space.
If running on an hdpi device, a 150 x 150 px image will take up 100 * 100 dp of screen space.
If running on an xhd...
What is std::move(), and when should it be used?
...ically a function - I would say it isn't really a function. It's sort of a converter between ways the compiler considers an expression's value.
2. "What does it do?"
The first thing to note is that std::move() doesn't actually move anything. It changes an expression from being an lvalue (such as a n...
Append values to query string
...h can cause issues with internationalization as special characters will be converted to their unicode equivalents in the query.ToString() method.
– tezromania
Nov 11 '14 at 17:05
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Performance surprise with “as” and nullable types
...e when unboxing nullable value types. Because Nullable<T> values are converted to boxed Ts during the box operation, an implementation often must manufacture a new Nullable<T> on the heap and compute the address to the newly allocated object.
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How should you build your database from source control?
... I'm assuming "look up lists" means the data that is used to populuate <select> boxes? That may not always be possible, since that data might be modified by users (in some way) on production. Keeping backups makes sense in this case. You also suggest recreating the database from scratch as ...
arrayfun can be significantly slower than an explicit loop in matlab. Why?
...ance is quite good now, and if you need cell as output, you do not need to convert your matrix after you have used the fully vectorized solution.
So why is arrayfun slower than a simple loop structure? Unfortunately, it is impossible for us to say for sure, since there is no source code available. ...
Control the dashed border stroke length and distance between strokes
...We would just have replace the path with a circle like in this answer (or) convert the path into a circle.
Browser support for SVG is pretty good and fallback can be provided using VML for IE8-.
Cons:
When the dimensions of the container do not change proportionately, the paths tend to scale res...
Is ServiceLocator an anti-pattern?
...Service Locator in order to get instances of those services that HAVE been converted to use DI.
So when refactoring large legacy applications to start to use DI concepts I would say that not only is Service Locator NOT an anti-pattern, but that it is the only way to gradually apply DI concepts to t...
How to have favicon / icon set when bookmarklet dragged to toolbar?
...for your bookmarklet.
Open Bookmarks Manager, click Organize dropdown, and select Export, save your bookmarks as html file.
Open that html file in text editor.
Find the bookmark you just created, lets say its Gmail bookmark, you should have an html code for it, that looks like this:
<DT><...