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rsync error: failed to set times on “/foo/bar”: Operation not permitted

I'm getting a confusing error from rsync and the initial things I'm finding from web searches (as well as all the usual chmod'ing) are not solving it: ...
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Warning: “format not a string literal and no format arguments”

... Are you nesting your brackets correctly? I don't think NSLog() likes taking only one argument, which is what you're passing it. Also, it already does the formatting for you. Why not just do this? NSLog(@"%@ %@, %@", errorMsgFormat, error, [err...
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Semicolon before self-invoking function? [duplicate]

What is the benefit of using semicolon before a self-invoking function in JavaScript? I saw this approach in few popular jQuery plugins and I'm curious to find if this is the next awesome thing in JavaScript that I don't know. ...
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What is a rune?

... constants, so their type can change). They represent unicode codepoints. For example, the rune literal 'a' is actually the number 97. Therefore your program is pretty much equivalent to: package main import "fmt" func SwapRune(r rune) rune { switch { case 97 <= r && r <= 1...
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Extract filename and extension in Bash

...you can focus on the last '/' of the path instead of the '.' which should work even if you have unpredictable file extensions: filename="${fullfile##*/}" You may want to check the documentation : On the web at section "3.5.3 Shell Parameter Expansion" In the bash manpage at section called "Para...
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Getting reference to the top-most view/window in iOS application

I'm creating a reusable framework for displaying notifications in an iOS application. I'd like the notification views to be added over the top of everything else in the application, sort of like a UIAlertView. When I init the manager that listens for NSNotification events and adds views in response,...
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Inversion of Control vs Dependency Injection

According to the paper written by Martin Fowler , inversion of control is the principle where the control flow of a program is inverted: instead of the programmer controlling the flow of a program, the external sources (framework, services, other components) take control of it. It's like we plug so...
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How do I return to an older version of our code in Subversion?

I'm working on a project with a friend and I want to return to an older version of our code and set it to be the current. How do I do it? ...
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How do I restrict a float value to only two places after the decimal point in C?

... If you just want to round the number for output purposes, then the "%.2f" format string is indeed the correct answer. However, if you actually want to round the floating point value for further computation, something like the following works: #include <math....
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How to detect when cancel is clicked on file input?

...t a direct solution, and also bad in that it only (as far as I've tested) works with onfocus (requiring a pretty limiting event blocking) you can achieve it with the following: document.body.onfocus = function(){ /*rock it*/ } What's nice about this, is that you can attach/detach it in time with ...