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Error TF30063: You are not authorized to access … \DefaultCollection

...count and log back in. For me, the issue was caused by using another live-id to unlock a windows phone for development. Somehow the credentials got cached, it seems. share | improve this answer ...
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What is a semaphore?

... for a specific resource. For example, to limit the number of simultaneous calls to a database in an application. Here is a very pedagogic example in C# :-) using System; using System.Collections.Generic; using System.Text; using System.Threading; namespace TheNightclub { public class Program...
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What is the difference between JDK and JRE?

...or example, if you are deploying a web application with JSP, you are technically just running Java programs inside the application server. Why would you need the JDK then? Because the application server will convert JSP into Java servlets and needs to use the JDK to compile the servlets. I am sure t...
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Does :before not work on img elements?

...or you to accomplish what you need with JavaScript/jQuery. Check out this fiddle: http://jsfiddle.net/xixonia/ahnGT/ $(function() { $('.target').after('<img src="..." />'); }); Edit: For the reason why this isn't supported, check out coreyward's answer. ...
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Git: Pull from other remote

... var channelOptions = { tags: "".split(" "), id: "1" }; initTagRenderer("".split(" "), "".split(" "), channelOptions); StackExchange.using("externalEditor", function() { // Have to fire editor after snippets, if snippets enabled...
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How do I iterate through children elements of a div using jQuery?

...nput elements in it... I'd like to iterate through each of those elements. Ideas? 7 Answers ...
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Merge cells using EPPlus?

... You can create a extension method: public static void Merge(this ExcelRangeBase range) { ExcelCellAddress start = range.Start; ExcelCellAddress end = range.End; range.Worksheet.Cells[start.Row, start.Column, end.Row, end.Column].Merge = true; } You can use this ...
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Difference between python3 and python3m executables

... the file name: --with-pydebug (flag: d) --with-pymalloc (flag: m) --with-wide-unicode (flag: u) via PEP 3149. Regarding the m flag specifically, this is what Pymalloc is: Pymalloc, a specialized object allocator written by Vladimir Marangozov, was a feature added to Python 2.1. Pymalloc is intend...
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Reading binary file and looping over each byte

...t a time (ignoring the buffering) — you could use the two-argument iter(callable, sentinel) built-in function: with open(filename, 'rb') as file: for byte in iter(lambda: file.read(1), b''): # Do stuff with byte It calls file.read(1) until it returns nothing b'' (empty bytestring)....
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What are the differences between git branch, fork, fetch, merge, rebase and clone?

...doesn't necessarily mean the developer isn't happy with the main repo. Typically, it means that another developer has read, but not write, access to that repo. The developer can fork the repo, make changes but since he can't write to the main repo he has to submit his changes as a patch. So, forking...