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How to assign name for a screen? [closed]

... A quick note on C-a : syntax.... "All screen commands are prefixed by an escape key, by default C-a (that's Control-a, sometimes written ^a). To send a literal C-a to the programs in screen, use C-a a. This is useful when working with screen within screen. For example C-a a n will move scree...
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How do I split a string on a delimiter in Bash?

...}"; do # process "$i" done It will parse one line of items separated by ;, pushing it into an array. Stuff for processing whole of $IN, each time one line of input separated by ;: while IFS=';' read -ra ADDR; do for i in "${ADDR[@]}"; do # process "$i" done done <&l...
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What integer hash function are good that accepts an integer hash key?

...n is that it preserves divisibility, so if your integers are all divisible by 2 or by 4 (which is not uncommon), their hashes will be too. This is a problem in hash tables - you can end up with only 1/2 or 1/4 of the buckets being used. ...
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SQL (MySQL) vs NoSQL (CouchDB) [closed]

.... Secondly, NoSQL allows you to eke more performance out of the system by eliminating a lot of integrity checks done by relational databases from the database tier. Again, this is similar to how you can get more performance out of your car by driving a manual transmission versus an a...
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Android device chooser - My device seems offline

...blem is in adb or the device but I usually do the following: Restart adb by issuing 'adb kill-server' followed by 'adb start-server' at a cmd prompt Disable and re-enable USB debugging on the phone Rebooting the phone if it still doesn't work. 99% of my issues have been resolved with these steps...
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How to apply a CSS filter to a background image

... It's supported in Firefox 35.0 and later by default: caniuse.com/#feat=css-filters – Mikko Rantalainen Nov 18 '14 at 12:44 1 ...
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C++ Object Instantiation

... general, every time you need to allocate a resource, whether it's memory (by calling new), file handles, sockets or anything else, wrap it in a class where the constructor acquires the resource, and the destructor releases it. Then you can create an object of that type on the stack, and you're guar...
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What is the difference between C# and .NET?

...s to the .NET object model and you can do something interesting in C# just by using .NET libraries). The opposite isn't necessarily true as you can use other languages to write .NET applications. The distinction between a language, a runtime, and a library is more strict in .NET/C# than for exampl...
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vector::at vs. vector::operator[]

...he exceptions that vector::at() throws aren't really intended to be caught by the immediately surrounding code. They are mainly useful for catching bugs in your code. If you need to bounds-check at runtime because e.g. the index comes from user input, you're indeed best off with an if statement. So ...
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C#: why sign an assembly?

...ion in azure. But if you are having iaas solution, you might reuse the dll by web application in the same iis. Which i don't recommend. we should be calling them thru api url, rather than using those dll's from GAC(microservice architecture). – Karthikeyan VK M...