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Secure hash and salt for PHP passwords

...n't mix bcrypt and with the raw output of hash(), either use hex output or base64_encode it. (This applies to any input that may have a rogue \0 in it, which can seriously weaken security.) Dos Use scrypt when you can; bcrypt if you cannot. Use PBKDF2 if you cannot use either bcrypt or scrypt, w...
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How do I check whether a checkbox is checked in jQuery?

I need to check the checked property of a checkbox and perform an action based on the checked property using jQuery. 66 A...
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Is volatile expensive?

...zed block. Entering a synchronized block requires an atomic compareAndSet based write to take out the lock and a volatile write to release it. If the lock is contented then control has to pass from user space to kernel space to arbitrate the lock (this is the expensive bit). Accessing a volatile ...
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HTML - Display image after selecting filename [duplicate]

...class="jsbin" href="http://ajax.googleapis.com/ajax/libs/jqueryui/1/themes/base/jquery-ui.css" rel="stylesheet" type="text/css" /> <script class="jsbin" src="http://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script> <script class="jsbin" src="http://ajax.googleapis.com...
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Algorithm to find top 10 search terms

...h that we have to partition the table physically. Once partition scheme is based on ngrams of the token. If the token is a single word, it is 1gram. If the token is two-word phrase, it is 2gram. And this goes on. Roughly at 4gram we have 1 billion records, with table sized at around 60GB. Processin...
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Auto Generate Database Diagram MySQL [closed]

I'm tired of opening Dia and creating a database diagram at the beginning of every project. Is there a tool out there that will let me select specific tables and then create a database diagram for me based on a MySQL database? Preferably it would allow me to edit the diagram afterward since none of ...
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Do you leave parentheses in or out in Ruby? [closed]

...by code that have multiple arguments and no parentheses. A lot of Ruby-based Domain Specific Languages (such as Rake) don't use parenthesis to preserve a more natural language feel to their statements. share ...
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Ways to save Backbone.js model data?

...you probably will have a URI designation that will do the appropriate task based on the kind of request verb you use. For example: // The URI pattern http://localhost:8888/donut/:id // My URI call http://localhost:8888/donut/17 If I make a GET to that URI, it would get donut model with an ID of ...
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指定组件的大小 · App Inventor 2 中文网

... placed in a Canvas. Each Ball and ImageSprite is positioned on the canvas based on its X and Y properties. A Ball’s width and height is always the diameter of the ball. The actual width/height of an ImageSprite whose Width/Height property is set to Automatic or Fill Parent[a] will be the width/he...
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Android Get Current timestamp?

... @kjdion84 excuse me, but why do you think it would be important ? Just based on the question. – Cԃաԃ Aug 2 '19 at 5:55 add a comment  |  ...