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How can I have ruby logger log output to stdout as well as file?
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Nice solution. I tried to use this to tee the output from my rake tasks to a log file. In order to get it to work with puts though (to be able to call $stdout.puts without getting "private method `puts' called"), I had to add a few more methods: log_file = File.open("tmp/rake.l...
Why do we use __init__ in Python classes?
... I will start referring to the object known as fido with yet another name. From now on, fido.colour is exactly the same variable as the_mangy_one.colour.
So, the things inside the __init__. You can think of them as noting things into the Dog's birth certificate. colour by itself is a random variabl...
How do I create a Linked List Data Structure in Java? [closed]
... linked list that inserts a new link at the beginning of the list, deletes from the beginning of the list and loops through the list to print the links contained in it. Enhancements to this implementation include making it a double-linked list, adding methods to insert and delete from the middle or ...
How can I create a directly-executable cross-platform GUI app using Python?
...Toolkit. I've found it easier to wrap my mind around than Tkinter, coming from pretty much no knowledge of GUI programming previously. It works pretty well and has some good tutorials. Unfortunately there isn't an installer for Python 2.6 for Windows yet, and may not be for a while.
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What are the differences between Rust's `String` and `str`?
...t x: &[u8] = &[b'a', b'b', b'c'];
let stack_str: &str = str::from_utf8(x).unwrap();
In summary, use String if you need owned string data (like passing strings to other threads, or building them at runtime), and use &str if you only need a view of a string.
This is identical to t...
How to pass arguments to addEventListener listener function?
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Why not just get the arguments from the target attribute of the event?
Example:
const someInput = document.querySelector('button');
someInput.addEventListener('click', myFunc, false);
someInput.myParam = 'This is my parameter';
function myFunc(evt...
Should I use char** argv or char* argv[]?
...ere - both will be taken as a pointer). Starting with C99, you can benefit from declaring it as an array. The following says: "p is always non-null and points to a region with at least 100bytes": void f(char p[static 100]); Note that type-wise, however, p is still a pointer.
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Is there a better alternative than this to 'switch on type'?
...ry in cases) {
if (entry.IsDefault || entry.Target.IsAssignableFrom(type)) {
entry.Action(source);
break;
}
}
}
public static CaseInfo Case<T>(Action action) {
return new CaseInfo() {
Action = x => ...
Google Chrome Extensions - Can't load local images with CSS
...D>/image.jpg
You would be better off replacing css through javascript. From docs:
//Code for displaying <extensionDir>/images/myimage.png:
var imgURL = chrome.extension.getURL("images/myimage.png");
document.getElementById("someImage").src = imgURL;
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count (non-blank) lines-of-code in bash
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Just habit. I read pipelines from left to right, which means I usually start with cat, then action, action, action, etc. Clearly, the end result is the same.
– Michael Cramer
Sep 24 '08 at 14:06
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