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Extracting bits with a single multiplication

... In the above case, your mask would be 00100100 and the result 00a00b00. Now the hard part: turning that into ab....... A multiplication is a bunch of shift-and-add operations. The key is to allow overflow to "shift away" the bits we don't need and put the ones we want in the right place. Multip...
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Is there a typical state machine implementation pattern?

... Hi, I know this post is old but I hope I will get my answer :) What certainly should by in instance_data_t variable? I wonder how to change states in interrupts ... is it a good way to store information about processed interrupt in ...
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define() vs. const

... echo FOO; // BAR echo foo; // BAR So, that was the bad side of things. Now let's look at the reason why I personally always use const unless one of the above situations occurs: const simply reads nicer. It's a language construct instead of a function and also is consistent with how you define ...
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logger configuration to log to file and print to stdout

...ogging module to log some debug strings to a file which works pretty well. Now in addition, I'd like to use this module to also print the strings out to stdout. How do I do this? In order to log my strings to a file I use following code: ...
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How to install the Raspberry Pi cross compiler on my Linux host machine?

...arm-linux-gnueabihf-raspbian/bin to the end of the file named ~/.bashrc Now you can either log out and log back in (i.e. restart your terminal session), or run . ~/.bashrc in your terminal to pick up the PATH addition in your current terminal session. Now, verify that you can access the compiler...
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how to use javascript Object.defineProperty

...-shop owner might realize that the discount can't be greater than say 80%. Now you need to find EVERY occurence of the discount modification in the client code and add a line if(obj.discount>80) obj.discount = 80; Then the e-shop owner may further change his strategy, like "if the customer is ...
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How do you calculate program run time in python? [duplicate]

... I don't know if this is a faster alternative, but I have another solution - from datetime import datetime start=datetime.now() #Statements print datetime.now()-start ...
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How to set selected value of jquery select2?

...avaScript solutions. Looking for another jQuery/Bootstrap Select2 dropdown now (2 days of fiddling every conceivable method - no joy!) – MC9000 Nov 5 '16 at 5:17 29 ...
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Is this object-lifetime-extending-closure a C# compiler bug?

...ernal static void StaticMethod(double arg) { } } } in cl: (Note !! now the this reference is gone !) public hidebysig instance void InstanceMethod () cil managed { // Method begins at RVA 0x2074 // Code size 56 (0x38) .maxstack 4 .locals init ( ...
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When to use setAttribute vs .attribute= in JavaScript?

...o support old browsers, in addition to this information, you will need to know what is broken in the those browsers. share | improve this answer | follow | ...