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The definitive guide to form-based website authentication [closed]

... A cryptographic hash should not be used for password storage because user-selected passwords are not strong enough (i.e. do not usually contain enough entropy) and a password guessing attack could be completed in a relatively short time by an attacker with access to the hashes. This is why KDFs are...
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What is the difference between native code, machine code and assembly code?

...ted somewhere else. But that could be anywhere, depending on the location selected by the JIT compiler, so the debugger just starts numbering addresses from 0 at the start of the method. The second column is the machine code. The actual 1s and 0s that the CPU executes. Machine code, like here, i...
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Font Awesome icon inside text input element

...e placeholder attribute will simply ignore it. UPDATE The before content selector selects the input: input[type="text"]:before. You should select the wrapper: .wrapper:before. See http://jsfiddle.net/allcaps/gA4rx/ . I also added the placeholder suggestion where the wrapper is redundant. .wrap...
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What is the IntelliJ shortcut to create a local variable?

... Yep! This is the Introduce Variable refactoring. By default, select some text, and then hit Ctrl + Alt + V (for Mac: ⌘+⌥+V). If the expression is incomplete or invalid, IntelliJ will still make a good guess about what you meant and try to fix it for you. ...
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How can I remove all objects but one from the workspace in R?

... Likewise, click the Name box, which selects all the files, and then deselect all the files you want to keep. – Stephen Dec 27 '17 at 15:18 ...
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Force re-download of release dependency using Maven

... It's also possible to selectively delete the dependencies that you know need to be refreshed from inside the repository. A manual purge, if you will. – jpaugh Jul 27 '16 at 14:56 ...
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Which HTTP methods match up to which CRUD methods?

...est HTTP verbs are GET, POST, PATCH, PUT and DELETE Overview HTTP GET - SELECT/Request HTTP PUT - UPDATE HTTP POST - INSERT/Create HTTP PATCH - When PUTting a complete resource representation is cumbersome and utilizes more bandwidth, e.g.: when you have to update partially a column HTTP DELETE ...
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filter for complete cases in data.frame using dplyr (case-wise deletion)

...function which lets you specify columns (basically everything which dplyr::select can understand) which should not have any NA values (modeled after pandas df.dropna()): drop_na <- function(data, ...){ if (missing(...)){ f = complete.cases(data) } else { f <- complete....
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How to access property of anonymous type in C#?

...GetType(); var properties = type?.GetProperties() ?.Select(n => n.Name) ?.ToDictionary(k => k, k => type.GetProperty(k).GetValue(obj, null)); return properties; } // converts object list into list of properties that meet the filterCrite...
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Is it possible to get element from HashMap by its position?

... n ++; } return null; } The function can return the selected entry. share | improve this answer | follow | ...