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Storing SHA1 hash values in MySQL

...it per character and thus would need 160/4 = 40 characters. But if you use 8 bit per character, you would only need a 160/8 = 20 character long field. So I recommend you to use BINARY(20) and the UNHEX function to convert the SHA1 value to binary. I compared storage requirements for BINARY(20) and...
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How to get a list of installed android applications and pick one to run

... | edited Jan 3 '18 at 8:14 frogatto 25.3k1010 gold badges7070 silver badges109109 bronze badges ...
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How to find a table having a specific column in postgresql

... Roman PekarRoman Pekar 86.7k2525 gold badges156156 silver badges172172 bronze badges ...
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How to know if user is logged in with passport.js?

... In 98.8% of web development with express.js and passport.js you will deal with requests (app.get, app.post, etc), so talking about using passport.js outside of it is little bit pointless. Yes it is only within express route middl...
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Selecting pandas column by location

...gt; df A B C D 0 0.424634 1.716633 0.282734 2.086944 1 -1.325816 2.056277 2.583704 -0.776403 2 1.457809 -0.407279 -1.560583 -1.316246 3 -0.757134 -1.321025 1.325853 -2.513373 4 1.366180 -1.265185 -2.184617 0.881514 >>> df.iloc[:, 2] 0 0.282734 ...
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Does a dot have to be escaped in a character class (square brackets) of a regular expression?

... MrWhite 18.3k44 gold badges3838 silver badges6767 bronze badges answered Nov 14 '13 at 11:18 lilactiger89lilac...
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Redirect from asp.net web api post action

... 208 Sure: public HttpResponseMessage Post() { // ... do the job // now redirect var re...
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Remove a fixed prefix/suffix from a string in Bash

... | edited Jul 26 '18 at 7:18 answered May 18 '13 at 11:43 ...
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Why isn't textarea an input[type=“textarea”]?

... MarcelMarcel 26.9k99 gold badges6767 silver badges8282 bronze badges 18 ...
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Creating a URL in the controller .NET MVC

... | edited Oct 18 '17 at 10:54 freedomn-m 18.5k44 gold badges2525 silver badges5353 bronze badges ...