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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 polymorphism, what is it for, and how is it used?

...g different courses of action, you create interchangeable objects that you select based on your needs. That is the basic goal of polymorphism. share | improve this answer | ...
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Shell脚本编程30分钟入门 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...h . $real_path 用户输入 执行脚本时传入脚本运行中输入select菜单stdin和stdout 常用的命令 sh脚本结合系统命令便有了强大的威力,在字符处理领域,有grep、awk、sed三剑客,grep负责找出特定的行,awk能将行拆分成多个字段,s...
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Multiple INSERT statements vs. single INSERT with multiple VALUES

...t One place where this information is leveraged is shown by @Lieven here SELECT * FROM (VALUES ('Lieven1', 1), ('Lieven2', 2), ('Lieven3', 3))Test (name, ID) ORDER BY name, 1/ (ID - ID) Because at compile time it can determine that the Name column has no duplicates it...
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Algorithm to generate a crossword

...the previous steps can just be done once. First step of the algorithm is select an empty wordslot (grid word) at random and fill it with a candidate word from its associated wordlist (randomization enables to produce different solutons in consecutive executions of the algorithm) ( complexity O(1)...
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Best practices for reducing Garbage Collector activity in Javascript

...though it's requiring me to wait 24 hours before I award it (even though I selected 'reward existing answer'). Will be yours tomorrow... – UpTheCreek Sep 11 '13 at 10:18 ...
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Download a file with Android, and showing the progress in a ProgressDialog

...ime (12 AM for instance), the service will download all the link that user selected before. I mean the service I need has to be able to queue download links, and then download all of them (one by one or parallel, depend on user). Thank you – Hoang Trinh
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Difference between shared objects (.so), static libraries (.a), and DLL's (.so)?

... FYI: g++ has __attribute__ syntax for selectively 'export' symbols: #define DLLEXPORT __attribute__ ((visibility("default"))) #define DLLLOCAL __attribute__ ((visibility("hidden"))) – Brian Cannard Jul 10 '14 at 14:49 ...
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What is the difference between user and kernel modes in operating systems?

...d 2 aren't used? How is the current ring determined? The current ring is selected by a combination of: global descriptor table: a in-memory table of GDT entries, and each entry has a field Privl which encodes the ring. The LGDT instruction sets the address to the current descriptor table. See ...
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Filter rows which contain a certain string

... @MySchizoBuddy: If the column name contains white space, you can select the variable using backticks. Modifying the example above: mtcars$`my type` <- rownames(mtcars) and then mtcars %>% filter(grepl('Toyota|Mazda', `my type`)) – alex23lemm Ju...