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Arrays vs Vectors: Introductory Similarities and Differences [closed]

...ze; you can't resize an array in C++ (unless it's an array of POD and it's allocated with malloc); their size must be a compile-time constant unless they are allocated dynamically; they take their storage space depending from the scope where you declare them; if dynamically allocated, you must expli...
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Reading/writing an INI file

... @aloneguid I would argue that the large set of available features actually contributed to .NET config files ending up being strange behemoths with a lot of magic in them. They have become "code in the config file," and this leads to a lot of complexity, strange behaviors, and makes configuratio...
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Using awk to remove the Byte-order mark

... Using GNU sed (on Linux or Cygwin): # Removing BOM from all text files in current directory: sed -i '1 s/^\xef\xbb\xbf//' *.txt On FreeBSD: sed -i .bak '1 s/^\xef\xbb\xbf//' *.txt Advantage of using GNU or FreeBSD sed: the -i parameter means "in place", and will update files ...
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background function in Python

...em is. I've got a function that downloads the image needed and saves it locally. Right now it's run inline with the code that displays a message to the user, but that can sometimes take over 10 seconds for non-local images. Is there a way I could call this function when it's needed, but run it in t...
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How do I programmatically shut down an instance of ExpressJS for testing?

I'm trying to figure out how to shut down an instance of Express. Basically, I want the inverse of the .listen(port) call - how do I get an Express server to STOP listening, release the port, and shutdown cleanly? ...
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When to favor ng-if vs. ng-show/ng-hide?

...ise the difference: ng-if will remove elements from DOM. This means that all your handlers or anything else attached to those elements will be lost. For example, if you bound a click handler to one of child elements, when ng-if evaluates to false, that element will be removed from DOM and your cli...
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When do you use map vs flatMap in RxJava?

...r Exception problem, just throw it with a Non checked exception : RX will call the onError handler for you. Observable.from(jsonFile).map(new Func1<File, String>() { @Override public String call(File file) { try { return new Gson().toJson(new FileReader(file), Object.c...
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How do I rename a column in a database table using SQL?

... Specifically for SQL Server, use sp_rename USE AdventureWorks; GO EXEC sp_rename 'Sales.SalesTerritory.TerritoryID', 'TerrID', 'COLUMN'; GO share ...
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Why does isNaN(“ ”) (string with spaces) equal false?

... You should try NaN===NaN or NaN==NaN;-) I don't know if all this means the javascript engine is wacky or that javascript is bad for wacky programmers though. – KooiInc May 5 '09 at 22:01 ...
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Block Comments in Clojure

... Actually, there is a way! (comment (defn hey [] ("Hey there!")) Check me out! ) Just wrap your comments in (comment ..) :) Have fun! share ...