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Static/Dynamic vs Strong/Weak
...kly typed that "12" + "34" would equal "46", but "12" + "34Q" would equal "1234Q" [fortunately, one could write "12" & "34" if one wanted concatenation]. Curiously, variables holding numbers stored them as double-precision floats, and math on such variables used the floating-point values without...
How to spread django unit tests over multiple files?
...
123
Note that this approach is no longer valid from Django 1.6, see this post.
You can create tes...
Func vs. Action vs. Predicate [duplicate]
...lt;int> myAction = new Action<int>(DoSomething);
myAction(123); // Prints out "123"
// can be also called as myAction.Invoke(123);
Func<int, double> myFunc = new Func<int, double>(CalculateSomething);
Console.Wr...
Getting only Month and Year from SQL DATE
...lieMatBailie
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Any way to modify Jasmine spies based on arguments?
...pi, 'get')
.withArgs('abc').and.returnValue('Jane')
.withArgs('123').and.returnValue(98765);
});
});
For Jasmine versions earlier than 3.0 callFake is the right way to go, but you can simplify it using an object to hold the return values
describe('my fn', function() {
var params ...
BLE UUID是对的但连接闪退：java.lang.IllegalArgumentException: UUID str...
...请使用最新编译出来的拓展（版本20240822）：https://www.fun123.cn/reference/iot/bluetoothle.html。
Good PHP ORM Library?
...roducts'); // Automatically reads the above schema
$product->product_id=123;
$product->description='Sofa bed';
$product->save(); // ORM knows it's a new record
// Retrieve
$product->load('product_id=123');
echo $product->description;
// Update
$product->description='A better sofa...
Fixed point vs Floating point number
...of precision, so a value of 100 means actually means 1.00, 101 means 1.01, 12345 means 123.45, etc.
Floating point numbers are more general purpose because they can represent very small or very large numbers in the same way, but there is a small penalty in having to have extra storage for where the...
static const vs #define
...uld be very like to see a comparison table.
– Unknown123
Apr 25 '19 at 3:49
2
...
How can I format a number into a string with leading zeros?
... i.ToString("0000000000");
Replace with as many digits as you like.
i = 123 will then result in Key = "0000000123".
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