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Parsing command-line arguments in C?

...e "Does something useful." # Options option "filename" f "Input filename" string required option "verbose" v "Increase program verbosity" flag off option "id" i "Data ID" int required option "value" r "Data value" multiple(1-) int optional Generating the code is easy and spits out cmdline.h and ...
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How to encode the filename parameter of Content-Disposition header in HTTP?

...nt; filename=Na%C3%AFve%20file.txt In ASP.Net I use the following code: string contentDisposition; if (Request.Browser.Browser == "IE" && (Request.Browser.Version == "7.0" || Request.Browser.Version == "8.0")) contentDisposition = "attachment; filename=" + Uri.EscapeDataString(fileNam...
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Java how to replace 2 or more spaces with single space in string and delete leading and trailing spa

Looking for quick, simple way in Java to change this string 29 Answers 29 ...
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Ways to save enums in database

...port way too difficult. We store the actual enumeration value converted to string: public enum Suit { Spade, Heart, Diamond, Club } Suit theSuit = Suit.Heart; szQuery = "INSERT INTO Customers (Name, Suit) " + "VALUES ('Ian Boyd', %s)".format(theSuit.name()); and then read back with: ...
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Is gcc's __attribute__((packed)) / #pragma pack unsafe?

...7 p1 = ffbff31c Bus error In both cases, the program is compiled with no extra options, just gcc packed.c -o packed. (A program that uses a single struct rather than array doesn't reliably exhibit the problem, since the compiler can allocate the struct on an odd address so the x member is properl...
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Structure padding and packing

...r alignment is the size to which each member is rounded off padding is the extra space added to match the alignment In mystruct_A, assuming a default alignment of 4, each member is aligned on a multiple of 4 bytes. Since the size of char is 1, the padding for a and c is 4 - 1 = 3 bytes while no pa...
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What is the effect of extern “C” in C++?

... represented in the binary file as symbols. These symbols are special text strings that uniquely identify a function in the program. In C, the symbol name is the same as the function name. This is possible because in C no two non-static functions can have the same name. Because C++ allows overload...
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How to split strings across multiple lines in CMake?

... But with CMake I get the problem that I do not know how to split a simple string into multiple lines to avoid one huge line. Consider this basic code: ...
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Converting A String To Hexadecimal In Java

I am trying to convert a string like "testing123" into hexadecimal form in java. I am currently using BlueJ. 21 Answers ...
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SQL SELECT speed int vs varchar

...2147483648 to +2147483647 ) character types occupy 4 bytes plus the actual strings. share | improve this answer | follow | ...