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What does enctype='multipart/form-data' mean?

...do printf '' | nc -l 8000 localhost; done Open the HTML on your browser, select the files and click on submit and check the terminal. nc prints the request received. Tested on: Ubuntu 14.04.3, nc BSD 1.105, Firefox 40. multipart/form-data Firefox sent: POST / HTTP/1.1 [[ Less interesting hea...
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What is the default initialization of an array in Java?

...t is a 0. For float/double that is a 0.0 For booleans that is a false. For char that is the null character '\u0000' (whose decimal equivalent is 0). When you create an array of something, all entries are also zeroed. So your array contains five zeros right after it is created by new. Note (based...
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C read file line by line

...stdio.h> #include <stdlib.h> int main(void) { FILE * fp; char * line = NULL; size_t len = 0; ssize_t read; fp = fopen("/etc/motd", "r"); if (fp == NULL) exit(EXIT_FAILURE); while ((read = getline(&line, &len, fp)) != -1) { printf("Retri...
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Callback functions in C++

... for jumping, the engine can call game_core_instance.update_keybind(newly_selected_key, &player_jump); and thus change the behaviour of a call to key_pressed (which the calls player_jump) once this button is pressed the next time ingame. What are callables in C++(11)? See C++ concepts: Call...
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UnicodeDecodeError, invalid continuation byte

...anks (and to the other that replied), I was under the mistaken belief that chars up until 255 would directly convert. – RuiDC Apr 5 '11 at 15:28 ...
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How do I detect unsigned integer multiply overflow?

... addcarry_u8 or subborrow_u64). Their signature is a bit obtuse: unsigned char _addcarry_u32(unsigned char c_in, unsigned int src1, unsigned int src2, unsigned int *sum); unsigned char _subborrow_u32(unsigned char b_in, unsigned int src1, unsigned int src2, unsigned int *diff); c_in/b_in is the c...
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How can I efficiently select a Standard Library container in C++11?

... }, onDemand: true, discardSelector: ".discard-answer" ,immediatelyShowMarkdownHelp:true,enableSnippets:true }); } }); ...
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In-Place Radix Sort

...though. Btw: If you're dealing with DNA strings only: You can compress a char into two bits and pack your data quite a lot. This will cut down the memory requirement by factor four over a naiive representation. Addressing becomes more complex, but the ALU of your CPU has lots of time to spend duri...
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Should I use encodeURI or encodeURIComponent for encoding URLs?

.... encodeURI assumes that the input is a complete URI that might have some characters which need encoding in it. encodeURIComponent will encode everything with special meaning, so you use it for components of URIs such as var world = "A string with symbols & characters that have special meanin...
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What is a reasonable length limit on person “Name” fields?

...put their information, including name. I gave the name field a limit of 50 characters to coincide with my database table where the field is varchar(50), but then I started to wonder. ...