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How do I find the number of arguments passed to a Bash script?

...$# will be 0 if there are no arguments passed to the script, 1 if there is one argument, etc. – Vladimir Panteleev Dec 8 '14 at 11:55 add a comment  |  ...
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How are GCC and g++ bootstrapped?

...rsion of GCC with existing C compiler re-build new version of GCC with the one you just built (optional) repeat step 2 for verification purposes. This process is called bootstrapping. It tests the compiler's capability of compiling itself and makes sure that the resulting compiler is built with al...
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Why isn't there a Guid.IsNullOrEmpty() method

... For one thing, Guid is not nullable. You could check: myGuid == default(Guid) which is equivalent to: myGuid == Guid.Empty share | ...
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Iteration over std::vector: unsigned vs signed index variable

...able. try iterator_traits<element_type*>::difference_type. this is one mouthful of a declaration, but it is more portable... – wilhelmtell Jan 4 '09 at 4:48 ...
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Map and Reduce in .NET

...in map reduce is critical in map-reduce but doesn't show up in the name an one does not have to write any code for it. It is solely driven by the Key that is extracted in the map step. Joel Martinez answer highlights that in my opinion better. – xtofs May 30 '1...
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Create directories using make file

...oss 15 directories, some of it shared. But with a bit of care, it can be done. OTOH, it might not be appropriate for a newbie. As noted in the comments, listing the 'mkdir' command as the action for 'directories' is wrong. As also noted in the comments, there are other ways to fix the 'do not ...
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Typical AngularJS workflow and project structure (with Python Flask)

...it because it feels more natural to me than either Knockout, Ember or Backbone. Anyway what is the workflow like? Do people start with developing a client-side application in AngularJS and then hooking up the back-end to it? ...
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JavaScript for detecting browser language preference [duplicate]

...t-Language']; nowDoSomethingWithIt(language); } }); Hope someone finds this useful. Edit: I have written a small jQuery plugin on github that wraps this functionality: https://github.com/dansingerman/jQuery-Browser-Language Edit 2: As requested here is the code that is running on App...
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postgresql - replace all instances of a string within text field

... dog bobcat dog dogs catfish Even after all of that, there is at least one unresolved condition. For example, sentences that begin with "Cat" will be replaced with lower-case "dog" which break sentence capitalization. Check out the current PostgreSQL pattern matching docs for all the details. ...
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What is the difference between null and undefined in JavaScript?

...ypes, they will still act the same if you try to access a member of either one, e.g. that is to say they will throw an exception. With WSH you will see the dreaded "'varname' is null or not an object" and that's if you're lucky (but that's a topic for another article). You can explicitely set a var...