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C/C++ macro string concatenation

...and its argument isn't a macro - you had a typo in the name, or forgot to #include the header file - then the compiler will happily put the purported macro name into the string with no error. If you intend that the argument to STRINGIZE is always a macro with a normal C value, then #define STRINGI...
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SQL Server SELECT LAST N Rows

...g. if you have a NONCLUSTERED index on the Id column, with no other fields included in the index, then it would have to do a lookup on the clustered index to actually get the rest of the columns to return and that could be making up a lot of the cost of the query. If it's a CLUSTERED index, or a NON...
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Best way to load module/class from lib folder in Rails 3?

... # Autoload lib/ folder including all subdirectories config.autoload_paths += Dir["#{config.root}/lib/**/"] Source: Rails 3 Quicktip: Autoload lib directory including all subdirectories, avoid lazy loading Please mind that files contained in the ...
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Django: How to completely uninstall a Django app?

... And for completeness, you'll typically need to remove a reference to include("appname.urls") from the project's urls.py – nigel222 Jul 18 '19 at 16:14 ...
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How to un-escape a backslash-escaped string?

...ple}"')) Or like this when your string really contains a string literal (including the quotes): import ast sample = u'"mon€y\\nröcks"' print(ast.literal_eval(sample)) However, if you are uncertain whether the input string uses double or single quotes as delimiters, or when you cannot assume ...
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Remove multiple whitespaces

... Note that in PHP \s not including "vertical tab" chr(11). To include it too you need to use space character class: [[:space:]]+ php.net/manual/en/regexp.reference.character-classes.php – Yaroslav Oct 29 '13 at ...
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Browser detection in JavaScript? [duplicate]

...is based on the navigator.userAgent and quite well tested for all browsers including iphone, android etc. https://github.com/ded/bowser You can use simply say: if (bowser.msie && bowser.version <= 6) { alert('Hello IE'); } else if (bowser.firefox){ alert('Hello Foxy'); } else if (...
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How to replace captured groups only?

... in mind that lookbehind is pretty new. It works in modern versions of V8 (including Chrome, Opera, and Node), but not in most other environments, at least not yet. So while you can reliably use lookbehind in Node and in your own browser (if it runs on a modern version of V8), it's not yet sufficien...
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O(nlogn) Algorithm - Find three evenly spaced ones within binary string

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Double vs. BigDecimal?

...n represent all numbers that can be represented in decimal notion and that include virtually all numbers in the monetary world (you never transfer 1/3 $ to someone). share | improve this answer ...