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ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock'

...t'; -- MySQL 5.7, mysql.user table "password" field -> "authentication_string" update user set authentication_string=password('mynewpassword') where user='root'; Flush the privileges flush privileges; Restart the server quit Stop and start the server again Ubuntu and Debian: sudo /etc/in...
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Remove Fragment Page from ViewPager in Android

...temId = getItemId(position); // Do we already have this fragment? String name = makeFragmentName(container.getId(), itemId); Fragment fragment = mFragmentManager.findFragmentByTag(name); if (fragment != null) { if (DEBUG) Log.v(TAG, "Attaching item #" + itemId + ": f=" + fra...
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How do I read an entire file into a std::string in C++?

How do I read a file into a std::string , i.e., read the whole file at once? 15 Answers ...
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How do I find out which settings.xml file maven is using

I recently changed my password and have to change my maven settings.xml file to reflect that. However, no matter what I do in the settings.xml file, the changed password just won't get picked up. Out of desperation, I ran maven with the -s switch ( mvn -s <my intended settings.xml file> ) and ...
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Pass a PHP string to a JavaScript variable (and escape newlines) [duplicate]

What is the easiest way to encode a PHP string for output to a JavaScript variable? 14 Answers ...
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.Contains() on a list of custom class objects

...tProduct : IEquatable<CartProduct> { public Int32 ID; public String Name; public Int32 Number; public Decimal CurrentPrice; public CartProduct(Int32 ID, String Name, Int32 Number, Decimal CurrentPrice) { this.ID = ID; this.Name = Name; this.Numb...
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Disabling browser print options (headers, footers, margins) from page?

...t consistent. Safari still does not support setting printer page margin at all, but all the other major browsers now support it. With the @page directive, you can specify printer margin of the page (which is not the same as normal CSS margin of an HTML element): <html xmlns="http://www.w3.org/199...
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Entity Framework and SQL Server View

...y issue i see here is that view might legitimately need to return an empty string ''. What I did, was simply cast the column back to its own data type. for example if AnotherProperty had a datatype of varchar(50) I would cast it as such 'CONVERT(VARCHAR(50), AnotherProperty) AS [AnotherProperty]'. ...
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What is the best way to convert seconds into (Hour:Minutes:Seconds:Milliseconds) time?

...= 4.0 Use the TimeSpan class. TimeSpan t = TimeSpan.FromSeconds( secs ); string answer = string.Format("{0:D2}h:{1:D2}m:{2:D2}s:{3:D3}ms", t.Hours, t.Minutes, t.Seconds, t.Milliseconds); (As noted by Inder Kumar Rathore) For .NE...
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Determine if an element has a CSS class with jQuery

...e); or $(selector).hasClass(className); The argument is (obviously) a string representing the class you are checking, and it returns a boolean (so it doesn't support chaining like most jQuery methods). Note: If you pass a className argument that contains whitespace, it will be matched literall...