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How to make clang compile to llvm IR
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Given some C/C++ file foo.c:
> clang -S -emit-llvm foo.c
Produces foo.ll which is an LLVM IR file.
The -emit-llvm option can also be passed to the compiler front-end directly, and not the driver by means of -cc1:
> clang -...
What's the point of OOP?
... developer productivity or software reliability, nor has it reduced development costs. Few people use OOP in any rigorous sense (few people adhere to or understand principles such as LSP); there seems to be little uniformity or consistency to the approaches that people take to modelling problem doma...
Cross-browser testing: All major browsers on ONE machine
...E9+)
Browser downloads
Internet Explorer
Firefox
Opera
Chrome
Safari
Adobe Flash Player
Download summary
Sandboxie
Part 2: Installation and configuration
Internet Explorer
Firefox
Opera
Chrome
Safari
Developer tools (and shortcuts)
Measured set-up time a...
Pass Variables by Reference in Javascript
...f "hello world"
You can iterate over the properties of an array with a numeric index and modify each cell of the array, if you want.
var arr = [1, 2, 3];
for (var i = 0; i < arr.length; i++) {
arr[i] = arr[i] + 1;
}
It's important to note that "pass-by-reference" is a very specific te...
How to pass a user defined argument in scrapy spider
I am trying to pass a user defined argument to a scrapy's spider. Can anyone suggest on how to do that?
5 Answers
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What is the “Execute Around” idiom?
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Basically it's the pattern where you write a method to do things which are always required, e.g. resource allocation and clean-up, and make the caller pass in "what we want to do with the resource". For example:
public interface InputStreamAction
{
void useStream(I...
What is the difference between MacVim and regular Vim?
...with Vim from using it in various *nix systems. I've seen many people recommend running MacVim over Vim in the terminal. Can anyone tell me what differences there are between MacVim and regular Vim?
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Importing from a relative path in Python
...per relative imports, where you can avoid doing anything hacky. With this method, you know you are getting a relative import rather than an absolute import. The '..' means, go to the directory above me:
from ..Common import Common
As a caveat, this will only work if you run your python as a mod...
Service vs IntentService in the Android platform
I am seeking an example of something that can be done with an IntentService that cannot be done with a Service (and vice-versa)?
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Best way to allow plugins for a PHP application
I am starting a new web application in PHP and this time around I want to create something that people can extend by using a plugin interface.
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