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What is the rationale for fread/fwrite taking size and count as arguments?

...ion and the results stored, in the order read, in an array of unsigned char exactly overlaying the object. fgetc also has this note: Since fgetc() operates on bytes, reading a character consisting of multiple bytes (or "a multi-byte character") may require multiple calls to fgetc...
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push_back vs emplace_back

... vec.emplace_back("Hello") will work, since the const char* argument will be forwarded to the string constructor. This is the whole point of emplace_back. – Alexandre C. Aug 9 '11 at 20:28 ...
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Which one will execute faster, if (flag==0) or if (0==flag)?

...ngle #include directive. For simplicity's sake, it usually amounts to int, char, bool and the like. All the other types are said to be user-defined, that is they exist because they are the result of some user declaring them: typedef, enum, struct, class. For example, std::string is user defined, eve...
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How to trim whitespace from a Bash variable?

...neralize the solution to handle all forms of whitespace, replace the space character in the tr and sed commands with [[:space:]]. Note that the sed approach will only work on single-line input. For approaches that do work with multi-line input and also use bash's built-in features, see the answers b...
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How do I compare strings in Java?

...contentEquals() compares the content of the String with the content of any CharSequence (available since Java 1.5). Saves you from having to turn your StringBuffer, etc into a String before doing the equality comparison, but leaves the null checking to you. ...
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What is the coolest thing you can do in

...sponse from my kids with a quick VB script to manipulate a Microsoft Agent character. For those that aren't familiar with MS Agent, it's a series of animated onscreen characters that can be manipulated via a COM interface. You can download the code and characters at the Microsoft Agent download page...
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Select something that has more/less than x character

...s wondering if it's possible to select something that has more/less than x characters in SQL. 4 Answers ...
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Is it safe to delete a void pointer?

... char does not have a constructor/destructor. – rxantos Feb 1 '15 at 3:28 add a comment ...
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How do I use itertools.groupby()?

...string)] will give you a list of 2-tuples where the first element is the char and the 2nd is the number of repetitions. Edit: Note that this is what separates itertools.groupby from the SQL GROUP BY semantics: itertools doesn't (and in general can't) sort the iterator in advance, so groups with t...
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Check if full path given

...ted(path) && !Path.GetPathRoot(path).Equals(Path.DirectorySeparatorChar.ToString(), StringComparison.Ordinal) The above condition: does not require file system permissions returns false in most cases where the format of path is invalid (rather than throwing an exception) returns true onl...