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techniques for obscuring sensitive strings in C++

I need to store sensitive information (a symmetric encryption key that I want to keep private) in my C++ application. The simple approach is to do this: ...
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How to configure robots.txt to allow everything?

My robots.txt in Google Webmaster Tools shows the following values: 4 Answers 4 ...
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How to replace a string in multiple files in linux command line

I need to replace a string in a lot of files in a folder, with only ssh access to the server. How can I do this? 25 Answe...
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Detecting Unsaved Changes

I have a requirement to implement an "Unsaved Changes" prompt in an ASP .Net application. If a user modifies controls on a web form, and attempts to navigate away before saving, a prompt should appear warning them that they have unsaved changes, and give them the option to cancel and stay on the cu...
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Short description of the scoping rules?

...cope resolution, from Learning Python, 3rd. Ed.. (These rules are specific to variable names, not attributes. If you reference it without a period, these rules apply.) LEGB Rule Local — Names assigned in any way within a function (def or lambda), and not declared global in that function Enclosi...
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MySQL Data - Best way to implement paging?

My iPhone app connects to my PHP web service to retrieve data from a MySQL database. A request can return 500 results. 7 An...
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Detect blocked popup in Chrome

I am aware of javascript techniques to detect whether a popup is blocked in other browsers (as described in the answer to this question ). Here's the basic test: ...
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How to screenshot website in JavaScript client-side / how Google did it? (no need to access HDD) [du

I'm working on web application that needs to render a page and make a screenshot on the client (browser) side. 2 Answers ...
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Why is “copy and paste” of code dangerous? [closed]

Sometimes, my boss will complain to us: 18 Answers 18 ...
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How can I rollback a github repository to a specific commit?

My github has 100 commits in it right now. I need to rollback the repository to commit 80, and remove all the subsequent ones. ...