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What are allowed characters in cookies?

...cookie_spec the entire NAME=VALUE string is: a sequence of characters excluding semi-colon, comma and white space. So - should work, and it does seem to be OK in browsers I've got here; where are you having trouble with it? By implication of the above: = is legal to include, but potentially...
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Using the rJava package on Win7 64 bit with R

.... However note that: To use rJava in 32-bit R, you need Java for Windows x86 To use rJava in 64-bit R, you need Java for Windows x64 To build or check R packages with multi-arch (the default) you need to install both Java For Windows x64 as well as Java for Windows x86. On Win 64, the former inst...
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Which C++ idioms are deprecated in C++11?

...ass support for rvalue references. Safe bool: This was mentioned earlier. Explicit operators of C++11 obviate this very common C++03 idiom. Shrink-to-fit: Many C++11 STL containers provide a shrink_to_fit() member function, which should eliminate the need swapping with a temporary. Temporary Base Cl...
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Initialising mock objects - MockIto

...Runner : JUnit 4.5 runner initializes mocks annotated with Mock, so that explicit usage of MockitoAnnotations.initMocks(Object) is not necessary. Mocks are initialized before each test method. The first solution (with the MockitoAnnotations.initMocks) could be used when you have already configure...
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What is the Java ?: operator called and what does it do?

...is a shorthand form of int count; if (isHere) count = getHereCount(index); else count = getAwayCount(index); It's called the conditional operator. Many people (erroneously) call it the ternary operator, because it's the only ternary (three-argument) operator in Java, C, C++, and probably ma...
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Why use try {} finally {} with an empty try block?

...rrupting the processing. The MSDN page of Thread.Abort says that “Unexecuted finally blocks are executed before the thread is aborted”. So in order to guarantee that your processing finishes even if your thread is aborted in the middle by someone calling Abort on your thread, you...
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Understanding the Rails Authenticity Token

...ch checks the token and resets the session if it doesn't match what was expected. A call to this method is generated for new Rails applications by default. The token parameter is named authenticity_token by default. The name and value of this token must be added to every layout that renders ...
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Cache Invalidation — Is there a General Solution?

... get(a, b) { c result; map<a,c> endCache; if (cache[b] expired or not present) { remove all b -> * entries in cache; endCache = new map<a,c>(); add to cache b -> endCache; } else { endCache = cache[b]; }...
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How to allow http content within an iframe on a https site

...ity of this question, I think, that you'll need to setup your own HTTPS proxy on some server online. Do the following steps: Prepare your proxy server - install IIS, Apache Get valid SSL certificate to avoid security errors (free from startssl.com for example) Write a wrapper, which will download ...
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Maintain aspect ratio of div but fill screen width and height in CSS?

I have a site to put together that has a fixed aspect ratio of approximately 16:9 landscape, like a video. 9 Answers ...