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What does MissingManifestResourceException mean and how to fix it?

...is.Icon"))); Then I moved the delegates into the namespace, got the same error. Finally I put the delegates in the only class in that file, and the error went away, but I didn't want the delegates in that class or namespace. Then I came across that link above, which said To resolve this prob...
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What special characters must be escaped in regular expressions?

...lasses (same as PCRE): .^$*+?()[{\| Escaping any other characters is an error with POSIX ERE. Inside character classes, the backslash is a literal character in POSIX regular expressions. You cannot use it to escape anything. You have to use "clever placement" if you want to include character c...
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No Persistence provider for EntityManager named

...emoved it once I solved the problem, just to make sure). I was getting the error finally because persistence.xml was not in the src/META-INF folder, even though it had been in a folder in the Eclipse source path for the project. I'm thinking somewhere it's hard-wired to be on src/* ...
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Are lists thread-safe?

...s but keep the numbers big enough and run a few times and you will see the error The FLAWED version import threading import time # Change this number as you please, bigger numbers will get the error quickly count = 1000 l = [] def add(): for i in range(count): l.append(i) tim...
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How to check if there exists a process with a given pid in Python?

... Sending signal 0 to a pid will raise an OSError exception if the pid is not running, and do nothing otherwise. import os def check_pid(pid): """ Check For the existence of a unix pid. """ try: os.kill(pid, 0) except OSError: retu...
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Disable assertions in Python

...nt call last): File "<string>", line 1, in <module> AssertionError Note that by disable I mean it also does not execute the expression that follows it: $ python -Oc "assert 1/0" $ python -c "assert 1/0" Traceback (most recent call last): File "<string>", line 1, in <modu...
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In C++, if throw is an expression, what is its type?

...ote that throw-expression are assignment-expression. So they are a syntax error as an argument to most operators. Obviously, you can hide them in parenthesis, but if they aren't ignored (first argument of builtin operator , for instance), it is a type error. – AProgrammer ...
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Accessing MVC's model property from Javascript

... What do you know, I've got the same error in my various projects as well. Just ignore it; it's Visual Studio trying to help, but, it's wrong in this case. The resulting HTML and script that gets sent to the browser is correct. – Justin H...
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ExecJS and could not find a JavaScript runtime

...Devise Rails 3.1 template ( Mongoid and Devise ), and I keep getting an error stating ExecJS cannot find a JavaScript runtime. Fair enough when I didn't have any installed, but I've tried installing Node.js , Mustang and the Ruby Racer , but nothing is working. ...
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Install Node.js on Ubuntu

I'm trying install Node.js on Ubuntu 12.10, but the terminal shows me an error about lost packages. I tried with this: 18 A...