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When should I use a trailing slash in my URL?

... In my personal opinion trailing slashes are misused. Basically the URL format came from the same UNIX format of files and folders, later on, on DOS systems, and finally, adapted for the web. A typical URL for this book on a Unix-like operating system would be a file path such as...
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c# datatable to csv

...he data is saved into the csv file, however the data is not separated. It all exists within the first cell of each row. 2...
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What is managed or unmanaged code in programming?

... some text from MSDN about unmanaged code. Some library code needs to call into unmanaged code (for example, native code APIs, such as Win32). Because this means going outside the security perimeter for managed code, due caution is required. Here is some other complimentary explication about M...
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Using ZXing to create an Android barcode scanning app [duplicate]

...de reader application which — via Android's intent mechanism — can be called by other applications who wish to integrate barcode scanning. The easiest way to do this is to call the ZXing SCAN Intent from your application, like this: public Button.OnClickListener mScan = new Button.OnClickListe...
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How to generate a range of numbers between two numbers?

... This is a fantastically elegant solution – Aaron Hudon Dec 22 '16 at 19:13 9 ...
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Why do we need tuples in Python (or any immutable data type)?

... immutable objects can allow substantial optimization; this is presumably why strings are also immutable in Java, developed quite separately but about the same time as Python, and just about everything is immutable in truly-functional languages. in...
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contenteditable change events

... (mouseup, for example). You may want to poll the element's contents as a fallback. UPDATE 29 October 2014 The HTML5 input event is the answer in the long term. At the time of writing, it is supported for contenteditable elements in current Mozilla (from Firefox 14) and WebKit/Blink browsers, but ...
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Is there an opposite to display:none?

...emoves an element from the page layout entirely, as if it wasn’t there. All other values for display cause the element to be a part of the page, so in a sense they’re all opposite to display:none. But there isn’t one value that’s the direct converse of display:none - just like there's no o...
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How can I calculate the number of lines changed between two commits in git?

...e - that's a task for git log. Ron DeVera touches on this, but you can actually do a lot more than what he mentions. Since git log internally calls the diff machinery in order to print requested information, you can give it any of the diff stat options - not just --shortstat. What you likely want to...
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How to get the primary IP address of the local machine on Linux and OS X? [closed]

...... You can alias the command in your .bashrc to create your own command called myip for instance. alias myip="ifconfig | sed -En 's/127.0.0.1//;s/.*inet (addr:)?(([0-9]*\.){3}[0-9]*).*/\2/p'" A much simpler way is hostname -I (hostname -i for older versions of hostname but see comments). However...