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How can I hash a password in Java?

... } /** * Create a password manager with a specified cost * * @param cost the exponential computational cost of hashing a password, 0 to 30 */ public PasswordAuthentication(int cost) { iterations(cost); /* Validate cost */ this.cost = cost; this.random = new SecureRand...
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How to POST raw whole JSON in the body of a Retrofit request?

...Exception: Unable to create @Body converter for class MatchAPIRequestBody (parameter #1) – Shajeel Afzal Jan 24 '17 at 9:59 ...
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How can I set response header on express.js assets

...source_sharing} * {@link http://expressjs.com/en/4x/api.html#res.set} * @param {object} request the Request object * @param {object} response the Response object * @param {function} next function to continue execution * @returns {void} * @example * <code> * const express = require('exp...
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instantiate a class from a variable in PHP?

... How to pass dynamic constructor parameters too If you want to pass dynamic constructor parameters to the class, you can use this code: $reflectionClass = new ReflectionClass($className); $module = $reflectionClass->newInstanceArgs($arrayOfConstructorP...
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Node.js create folder or use existing

...on of Node.js and, unless if I missed something, it does not tell what the parameters contain in certain operations, in particular fs.mkdir() . As you can see in the documentation, it's not very much. ...
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How to convert std::string to NSString?

...al way of getting a C++ std::string into an NSString is with: std::string param; // <-- input NSString* result = [NSString stringWithUTF8String:param.c_str()]; NSString* alternative = [[NSString alloc] initWithUTF8String:param.c_str()]; This will work in most cases - and if you're not doing sp...
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What is the difference between bindParam and bindValue?

What is the difference between PDOStatement::bindParam() and PDOStatement::bindValue() ? 7 Answers ...
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URL Encode a string in jQuery for an AJAX request

... This solved my problem - when I was passing in a URL as a parameter to my AJAX request, the URL was losing everything after the & for any query strings in it. When I added this, that solved my problem. Thanks! – theJerm Aug 18 '14 at 19:00 ...
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What is the colon operator in Ruby?

...to identify things. In particular, it uses them as keys when naming method parameters and looking things up in hashes. redirect_to :action => "edit", :id => params[:id] You can think of symbols as string literals that are magically made into constants. Alternatively, you can consider th...
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How do I convert an existing callback API to promises?

...cular format where the callbacks is always the last argument and its first parameter is an error. Let's first promisify one manually: getStuff("dataParam", function(err, data) { … To: function getStuffAsync(param) { return new Promise(function(resolve, reject) { getStuff(param, fun...