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Equation (expression) parser with precedence?
... code like say, Aperture with GCC and they sell it without having to GPL said code).
Download Bison (or something equivalent, ANTLR, etc.).
There is usually some sample code that you can just run bison on and get your desired C code that demonstrates this four function calculator:
http://www.gnu....
How to build an android library with Android Studio and gradle?
... but nothing I have tried is working. In Eclipse I have 3 projects (2 android app projects and 1 android library project). The 2 app projects depend on the library project. When I do the gradle export I get 3 projects that don't work. I am open to restructuring the project but haven't found any docu...
What is the type of lambda when deduced with “auto” in C++11?
... for functors. A lambda is translated directly into a functor. Anything inside the [] are turned into constructor parameters and members of the functor object, and the parameters inside () are turned into parameters for the functor's operator().
A lambda which captures no variables (nothing inside ...
What is the effect of extern “C” in C++?
...C does not, the C++ compiler cannot just use the function name as a unique id to link to, so it mangles the name by adding information about the arguments. A C compiler does not need to mangle the name since you can not overload function names in C. When you state that a function has extern "C" li...
Node.js and CPU intensive requests
...tarted tinkering with Node.js HTTP server and really like to write server side Javascript but something is keeping me from starting to use Node.js for my web application.
...
Purpose of buildscript block in Gradle
...der to understand the rest of the build script. That's why you have to provide this information in a separate channel (the buildScript block). Technically speaking, Gradle needs this information in order to compile and evaluate the rest of the build script. What happens under the hood is that Gradle...
How do you detect Credit card type based on number?
...Number. The first six digits of the PAN are taken from the IIN, or Issuer Identification Number, belonging to the issuing bank (IINs were previously known as BIN — Bank Identification Numbers — so you may see references to that terminology in some documents). These six digits are subject to an...
What is the difference between RegExp’s exec() function and String’s match() function?
...xec which is more powerful as it is good for getting captures, but if you did use match when capturing, see that it shows captures when the regex is not global, but doesn't show captures when the regex is global.
> "azb".match(/a(z)b/);
[ "azb", "z" ]
> "azb".match(/a(z)b/g);
[ "azb" ]
>...
What's with 181783497276652981 and 8682522807148012 in Random (Java 7)?
...ation times fall in the same millisecond range, they will give completely identical sequences. (same seed => same sequence)
The second one is not thread safe. Multiple threads can get identical RNGs when initializing at the same time. Additionally, seeds of subsequent initializations tend to be...
Does the JVM prevent tail call optimizations?
...
I did not quite follow the explanation. I thought tail-call optimization was implemented by the compiler. Assuming you have a function that could be tail-call optimized by the compiler, you could also then have an equivalent non...