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How to write a UTF-8 file with Java?
...riter =
new OutputStreamWriter(new FileOutputStream(PROPERTIES_FILE), StandardCharsets.UTF_8))
// do stuff
}
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Why can't a text column have a default value in MySQL?
...r platforms it is often a warning. While not a bug, it's possible to get trapped by this if you write code on a lenient platform, and later run it on a strict platform:
Personally, I do view this as a bug. Searching for "BLOB/TEXT column can't have a default value" returns about 2,940 results on ...
Which is the correct C# infinite loop, for (;;) or while (true)? [closed]
..." on in Visual Studio.
Both loops compile into (with .NET Reflector):
Label_0000:
goto Label_0000;
Raptors should attack soon.
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How can I reverse a NSArray in Objective-C?
... surrounding method/block return is tricky and probably
// requires a '__block' variable.
// (This is the worst feature of this method, IMHO.)
}];
(Note: Substantially updated in 2014 with five more years of Foundation experience, a new Objective-C feature or two, and a couple tips from th...
MySQL Great Circle Distance (Haversine formula)
...0.0 miles of the lat/long point 42.81/-70.81 . When you build this into an app, that's where you put your own point and search radius.
If you want to work in kilometers rather than miles, change 69 to 111.045 and change 3963.17 to 6378.10 in the query.
Here's a detailed writeup. I hope it helps s...
Why are unsigned int's not CLS compliant?
... had been separate integer types for unsigned numbers and algebraic rings; applying a unary minus operator to unsigned 32-bit number should yield a 64-bit signed result [negating anything other than zero would yield a negative number] but applying a unary minus to a ring type should yield the additi...
UIViewController viewDidLoad vs. viewWillAppear: What is the proper division of labor?
...on the type of tasks that should be assigned to viewDidLoad vs. viewWillAppear : in a UIViewController subclass.
4 An...
PHP/MySQL insert row then get 'id'
...
$link = mysqli_connect('127.0.0.1', 'my_user', 'my_pass', 'my_db');
mysqli_query($link, "INSERT INTO mytable (1, 2, 3, 'blah')");
$id = mysqli_insert_id($link);
See mysqli_insert_id().
Whatever you do, don't insert and then do a "SELECT...
What is %2C in a URL?
... | RS | 3E | > | 5E | ^ | 7E | ~ |
| 1F | US | 3F | ? | 5F | _ | 7F | DEL |
+----+-----+----+-----+----+-----+----+-----+
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Check if two unordered lists are equal [duplicate]
...hat appear identical but are not evaluating as equal (as I did), check the __hash__ function of those objects to verify that equal objects have equal hashes. Mine did not.
– Paul Wintz
Dec 16 '19 at 12:01
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