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Conditional Variable vs Semaphore
...ne calls the semaphore down() method to take a soda. This will grab a soda from the machine and decrement the count of available sodas by 1. If there are sodas available, the code will just keep running past the down() statement without a problem. If no sodas are available, the thread will sleep he...
Why must we define both == and != in C#?
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I can't speak for the language designers, but from what I can reason on, it seems like it was intentional, proper design decision.
Looking at this basic F# code, you can compile this into a working library. This is legal code for F#, and only overloads the equality ope...
Position an element relative to its container
...n other words, the elements is laid out in normal flow, then it is removed from normal flow and offset by whatever values you have specified (top, right, bottom, left). It's important to note that because it's removed from flow, other elements around it will not shift with it (use negative margins i...
Can someone explain in simple terms to me what a directed acyclic graph is?
...you can never go to the same bar twice". Although the family-tree example from another answer is probably conceptually simpler, especially for those of us who aren't college students or alcoholics.
– Tom Harrison
Jul 23 '16 at 16:48
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Java ByteBuffer to String
...ntrol over the decoding [encoding] process is required."
To get the bytes from a String in a particular encoding, you can use a sibling getBytes() method:
byte[] bytes = k.getBytes( StandardCharsets.UTF_8 );
To put bytes with a particular encoding into a String, you can use a different String co...
GetHashCode Guidelines in C#
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@JS Bangs - From MSDN: Derived classes that override GetHashCode must also override Equals to guarantee that two objects considered equal have the same hash code; otherwise, the Hashtable type might not work correctly.
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std::string to float or double
... @ShaChris Because I want to make sure I use the atof function from the global namespace.
– TimW
Feb 17 '10 at 8:16
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How to clear/remove observable bindings in Knockout.js?
...for documentation on this knockout utility function. As near as I can tell from the source code, it is calling delete on certain keys on the dom elements themselves, which is apparently where all the knockout magic is stored. If anyone has a source on documentation, I would be much obliged.
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Allowed characters in filename [closed]
...at only because I was bitten by that once when I shortened an include file from const.h to con.h and spent half an hour figuring out why the compiler hung.
Turns out DOS ignored extensions for devices so that con.h was exactly the same as con, the input console (meaning, of course, the compiler was...
Removing packages installed with go get
...install (I would much prefer to keep my Go install clean and separate core from custom). How do I remove packages installed previously?
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