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Why do all browsers' user agents start with “Mozilla/”?

All popular browsers' user agent strings, even Internet Explorer's, start with Mozilla/ . Why is this the case? 6 Answers ...
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How can I exclude one word with grep?

...pattern XXXXXXXX. EDIT: From your comment it looks like you want to list all lines without the unwanted_word. In that case all you need is: grep -v 'unwanted_word' file share | improve this answ...
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List All Redis Databases

... Or you can just run the following command and you will see all databases of the Redis instance without firing up redis-cli: $ redis-cli INFO | grep ^db db0:keys=1500,expires=2 db1:keys=200000,expires=1 db2:keys=350003,expires=1 ...
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Query grants for a table in postgres

How can I query all GRANTS granted to an object in postgres? 7 Answers 7 ...
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Environment variables in Mac OS X

...:want launchctl setenv PATH $PATH Environment variables are not automatically updated in running applications. You will need to relaunch applications to get the updated environment variables (although you can just set variables in your shell, e.g. PATH=whatever:you:want; there's no need to relaunc...
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Laravel - Eloquent or Fluent random row

...domOrder()->first(); or using the random method for collections: User::all()->random(); User::all()->random(10); // The amount of items you wish to receive Laravel 4.2.7 - 5.1: User::orderByRaw("RAND()")->get(); Laravel 4.0 - 4.2.6: User::orderBy(DB::raw('RAND()'))->get(); Laravel...
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mysqli_fetch_assoc() expects parameter / Call to a member function bind_param() errors. How to get t

...Li code produces an error like mysqli_fetch_assoc() expects parameter..., Call to a member function bind_param()... or similar. Or even without any error, but the query doesn't work all the same. It means that your query failed to execute. Every time a query fails, MySQL has an error message that ...
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Batch file. Delete all files and folders in a directory

I want to have a batch file that will delete all the folders and files in my cache folder for my wireless toolkit. 15 Answe...
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MySQL Insert into multiple tables? (Database normalization?)

... at LAST_INSERT_ID() to reuse autoincrement values. Edit: you said "After all this time trying to figure it out, it still doesn't work. Can't I simply put the just generated ID in a $var and put that $var in all the MySQL commands?" Let me elaborate: there are 3 possible ways here: In the code y...
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Which is faster/best? SELECT * or SELECT column1, colum2, column3, etc

I've heard that SELECT * is generally bad practice to use when writing SQL commands because it is more efficient to SELECT columns you specifically need. ...