Are there any smart cases of runtime code modification?

There are many valid cases for code modification. Generating code at run time can be useful for: Some virtual machines use JIT compilation to improve performance. Generating specialized functions on the fly has long been common in computer graphics. See e.g. Rob Pike and Bart Locanthi and John Reiser Hardware Software Tradeoffs for Bitmap Graphics … Read more

Reason for huge size of compiled executable of Go

This exact question appears in the official FAQ: Why is my trivial program such a large binary? Quoting the answer: The linkers in the gc tool chain (5l, 6l, and 8l) do static linking. All Go binaries therefore include the Go run-time, along with the run-time type information necessary to support dynamic type checks, reflection, … Read more

How do you avoid over-populating the PATH Environment Variable in Windows?

This will parse your %PATH% environment variable and convert each directory to its shortname equivalent and then piece it all back together: @echo off SET MyPath=%PATH% echo %MyPath% echo — setlocal EnableDelayedExpansion SET TempPath=”%MyPath:;=”;”%” SET var= FOR %%a IN (%TempPath%) DO ( IF exist %%~sa ( SET “var=!var!;%%~sa” ) ELSE ( echo %%a does not … Read more

How to disassemble a binary executable in Linux to get the assembly code?

I don’t think gcc has a flag for it, since it’s primarily a compiler, but another of the GNU development tools does. objdump takes a -d/–disassemble flag: $ objdump -d /path/to/binary The disassembly looks like this: 080483b4 <main>: 80483b4: 8d 4c 24 04 lea 0x4(%esp),%ecx 80483b8: 83 e4 f0 and $0xfffffff0,%esp 80483bb: ff 71 fc … Read more

Compiling a java program into an executable [duplicate]

You can convert .jar file to .exe on these ways: (source: viralpatel.net) 1- JSmooth .exe wrapper: JSmooth is a Java Executable Wrapper. It creates native Windows launchers (standard .exe) for your java applications. It makes java deployment much smoother and user-friendly, as it is able to find any installed Java VM by itself. When no … Read more

How to compile python script to binary executable

Or use PyInstaller as an alternative to py2exe. Here is a good starting point. PyInstaller also lets you create executables for linux and mac… Here is how one could fairly easily use PyInstaller to solve the issue at hand: pyinstaller oldlogs.py From the tool’s documentation: PyInstaller analyzes myscript.py and: Writes myscript.spec in the same folder … Read more

Difference between Groovy Binary and Source release?

A source release will be compiled on your own machine while a binary release must match your operating system. source releases are more common on linux systems because linux systems can dramatically vary in cpu, installed library versions, kernelversions and nearly every linux system has a compiler installed. binary releases are common on ms-windows systems. … Read more