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How can you determine a point is between two other points on a line segment?

Let's say you have a two dimensional plane with 2 points (called a and b) on it represented by an x integer and a y integer for each point. ...
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How do I do base64 encoding on iOS?

... A really, really fast implementation which was ported (and modified/improved) from the PHP Core library into native Objective-C code is available in the QSStrings Class from the QSUtilities Library. I did a quick benchmark: a 5....
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Regex to validate password strength

...ex. This serves as a great learning example for those of us who've never really got on with the syntax. – user673046 Nov 22 '13 at 6:11 4 ...
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Putty: Getting Server refused our key Error

... OK, there was a small typo in my key. Apparently when pasting to file the first letter was cut off and it started with sh-rsa instead of ssh-rsa. nrathathaus - your answer was very helpful, thanks a lot, this answer is credited to you :) I di...
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How do I check if a list is empty?

...cMahon - it's a trade-off between explicitness and type flexibility. generally, "being explicit" means not doing "magical" things. on the other hand, "duck typing" means working with more general interfaces, rather than explicitly checking for types. so something like if a == [] is forcing a part...
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What do linkers do?

...converts the source file into object byte code. This byte code (sometimes called object code) is mnemonic instructions that only your computer architecture understands. Traditionally, these files have an .OBJ extension. After the object file is created, the linker comes into play. More often than ...
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How can I force Powershell to return an array when a call only returns one object?

... I actually feel like this is the most clear and safe option. You can reliably use ".Count - ge 1' on the collection or 'Foreach' – Jaigene Kang Jul 11 '17 at 22:24 ...
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Why is SQL Server 2008 Management Studio Intellisense not working?

...en to insanity trying to figure out why Intellisense just fails to work at all. The server I'm using is local and is 2008, the database is set to 2008 compatibility, Intellisense is on in every menu I can find, and yet no member list will pop up even with a CTRL-J. ...
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Set breakpoint in C or C++ code programmatically for gdb on Linux

How can I set a breakpoint in C or C++ code programatically that will work for gdb on Linux? 6 Answers ...
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How to make URL/Phone-clickable UILabel?

...TextView.editable = NO; yourTextView.dataDetectorTypes = UIDataDetectorTypeAll; Swift: yourTextView.editable = false; yourTextView.dataDetectorTypes = UIDataDetectorTypes.All; This will detect links automatically. See the documentation for details. ...