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Logical Operators, || or OR?

...ect normally. See also: Logical operators (the following example is taken from there): // The result of the expression (false || true) is assigned to $e // Acts like: ($e = (false || true)) $e = false || true; // The constant false is assigned to $f and then true is ignored // Acts like: (($f = f...
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Why do I get a segmentation fault when writing to a “char *s” initialized with a string literal, but

...stored in read-only memory when the program is run. This is to prevent you from accidentally changing a string constant. In your first example, "string" is stored in read-only memory and *str points to the first character. The segfault happens when you try to change the first character to 'z'. In t...
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Insert Update stored proc on SQL Server

...optimal way to do it and it's called upsert/merge. Importance of UPSERT - from sqlservercentral.com: For every update in the case mentioned above we are removing one additional read from the table if we use the UPSERT instead of EXISTS. Unfortunately for an Insert, both the UPSERT and ...
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When should I use a trailing slash in my URL?

...sonal 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 file:///home/username/Ro...
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Samples of Scala and Java code where Scala code looks simpler/has fewer lines?

... to not have accessors prefixed with get. Idiomatic Java code is different from idiomatic Scala code. Sometimes the is prefix used for booleans. davetron5000.github.com/scala-style/naming_conventions/methods/… – Esko Luontola Jun 1 '10 at 20:40 ...
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Sass - Converting Hex to RGBa for background opacity

...his AND the r,b,g functions and it didn't work. I was using dynamic colors from a Drupal back-end though which may have broken something. Still, sorted it in the end and the answer I found after further research +1 – Rick Donohoe Jun 8 '12 at 8:11 ...
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How to use System.Net.HttpClient to post a complex type?

... HttpRequestMessage<Widget>(widget) will no longer work. Instead, from this post, the ASP.NET team has included some new calls to support this functionality: HttpClient.PostAsJsonAsync<T>(T value) sends “application/json” HttpClient.PostAsXmlAsync<T>(T value) sends “appli...
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What do 3 dots next to a parameter type mean in Java?

... for. In this case you use strings[i] } } This answer borrows heavily from kiswa's and Lorenzo's... and also from Graphain's comment. share | improve this answer | follo...
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Scalar vs. primitive data type - are they the same thing?

... I was taught (a very long time ago in school) that the term was derived from 'scalar processor' in contrast to a 'vector processor'. A scalar processor is a CPU that can only handle one piece of data at a time. These processors were/are named after the arithmetic terms. Interestingly enough, when...
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static linking only some libraries

... From the manpage of ld (this does not work with gcc), referring to the --static option: You may use this option multiple times on the command line: it affects library searching for -l options which follow it. One ...