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Get records with max value for each group of grouped SQL results

...wers would do) Note: This is a mysql-only solution. All other databases I know will throw an SQL syntax error with the message "non aggregated columns are not listed in the group by clause" or similar. Because this solution uses undocumented behavior, the more cautious may want to include a test to ...
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How to add facebook share button on my website?

... with your facebook AppId. If you don't have facebook AppId and you don't know how to create please check this Add JQuery Library, I would preferred Google Library <script src="//ajax.googleapis.com/ajax/libs/jquery/1.6.1/jquery.min.js" type="text/javascript"></script> Add share dia...
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Why are local variables not initialized in Java?

... Why complicate things? Write the try-finally block this way, and you KNOW the variable has a valid value. No null-checking required. – Rob Kennedy Jan 6 '09 at 16:09 1 ...
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Android - border for button

...gest if someone already has a style defined for textColor and textSize and now they want to add the style="@style/Widget.AppCompat.Button.Borderless" ? – Someone Somewhere Mar 6 '19 at 15:46 ...
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Get type of a generic parameter in Java with reflection

...mation with our type parameters in the new ParameterizedType instance. So now we can access concrete types for our generics. Line 6 gets the array of types mapped into our generics, in order as declared in the class code. For this example we pull out the first parameter. This comes back as a Typ...
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Which is the preferred way to concatenate a string in Python?

...esulting string is a million characters long, appending was still faster. Now let's try with appending a thousand character long string a hundred thousand times: a += b: 0.41823482513427734 a.append(b): 0.010656118392944336 The end string, therefore, ends up being about 100MB long. That was pret...
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How to convert a string to an integer in JavaScript?

...ng went wrong: var widgetsSold = parseInt("97,800", 10); // widgetsSold is now 97 It's good practice to always specify the radix as the second argument. In older browsers, if the string started with a 0, it would be interpreted as octal if the radix wasn't specified which took a lot of people by s...
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Setting a timeout for socket operations

...xception (but not increase it), and it has no effect on the timeout for UnknownHostException, which the OP claims he is getting (although I don't believe it). Note also that the Javadoc is incorrect in stating that the default is infinity. It isn't. The platform has a default timeout of around a min...
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Call to getLayoutInflater() in places not in activity

... Great, But now the findViewById doesn't work, do you have any ideas about that ? inflater.inflate(R.layout.some_layout, (ViewGroup) findViewById(R.id.parent)); – Lukap ...
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How do lexical closures work?

... There is one problem with this solution: func has now two parameters. That means it doesn't work with a variable amount of parameters. Worse, if you call func with a second parameter this will overwrite the original i from the definition. :-( – Pascal ...