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How SignalR works internally?

Can anyone let me know how SignalR works internally in a high level way? 2 Answers 2 ...
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What are the options for storing hierarchical data in a relational database? [closed]

...s a result, most people end up having to settle for one or the other especially if there are more than, say, a lousy 100,000 nodes or so. Using the push stack method can take a whole day to do the conversion on what MLM'ers would consider to be a small million node hierarchy. I thought I'd give Ce...
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unix - head AND tail of file

... Curious about why/how this works. Asked it as a new question: stackoverflow.com/questions/13718242 – zellyn Dec 5 '12 at 7:24 9 ...
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Dynamic variable names in Bash

...Fgilrtux] [-p] [name[=value] ...]. You might double-check that you are actually running 4.x and not 3.2. – chepner Dec 2 '13 at 16:08 5 ...
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Why are variables “i” and “j” used for counters?

... It comes ultimately from mathematics: the summation notation traditionally uses i for the first index, j for the second, and so on. Example (from http://en.wikipedia.org/wiki/Summation): It's also used that way for collections of things, like if you have a bunch of variables x1, x2, ......
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JSR-303 @Valid annotation not working for list of child objects

...e Bean Validator to delve to the type of its applied property and validate all constraints found there. Answer with code to your question, the validator, when seeing a @Valid constraint on addresses property, will explore the AddressForm class and validate all JSR 303 constraints found inside, as fo...
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How do I programmatically determine if there are uncommitted changes?

...ing git diff once solves the issue (surprisingly enough, git diff does actually change the content of the sandbox, meaning here .git/index) These timestamp issues can also occur if git is running in docker. Original answer: "Programmatically" means never ever rely on porcelain commands. Always rel...
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How can I preview a merge in git?

...won't have any merged code or merge conflicts in your branch. This is basically a dry-run. Strategy 2: When you definitely want to merge, but only if there aren't conflicts git checkout mybranch git merge some-other-branch If git reports conflicts (and ONLY IF THERE ARE conflicts) you can then do: ...
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How to get a variable value if variable name is stored as string?

...our script using /bin/sh? If so, try using /bin/bash instead. From Debian Squeeze onwards, /bin/sh was changed to be a symlink for dash instead of bash. dash doesn't support this particular syntax and will output a Bad substitution error. – Phil Ross Aug 8 '13 ...
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How to allow http content within an iframe on a https site

...e 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 insecure content (how to below) From your site/app get https://yourproxy.com/?page=h...