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Passing a list of kwargs?

... another function's kwargs. Consider this code: (newlines don't seem to be allowed in comments) def a(**kw): print(kw), and def b(**kw): a(kw). This code will generate an error because kwargs is actually a dictionary, and will be interpreted as a regular argument of the dict type. Which is why chang...
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WPF TextBox won't fill in StackPanel

...s meant for "stacking" things even outside the visible region, so it won't allow you to fill remaining space in the stacking dimension. You can use a DockPanel with LastChildFill set to true and dock all the non-filling controls to the Left to simulate the effect you want. <DockPanel Background...
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Creating PHP class instance with a string

...able functions & methods. $func = 'my_function'; $func('param1'); // calls my_function('param1'); $method = 'doStuff'; $object = new MyClass(); $object->$method(); // calls the MyClass->doStuff() method. share ...
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How to set a Django model field's default value to a function call / callable (e.g., a date relative

... to create a field in the class. PRE Django 1.7 Django lets you pass a callable as the default, and it will invoke it each time, just as you want: from datetime import datetime, timedelta class MyModel(models.Model): # default to 1 day from now my_date = models.DateTimeField(default=lambda: ...
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iOS: Multi-line UILabel in Auto Layout

...e in iOS8. It also, from my understanding, will adjust the height automatically and in my experience you don't need to set a height constraint for it to work. This worked for me using an explicit width. – Tony Mar 25 '15 at 18:28 ...
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Pair/tuple data type in Go

... structs and fields are fine for quick and dirty solutions like this. For all but the simplest cases though, you'd do better to define a named struct just like you did. share | improve this answer ...
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Spring Data JPA find by embedded object property

... According to me, Spring doesn't handle all the cases with ease. In your case the following should do the trick Page<QueuedBook> findByBookIdRegion(Region region, Pageable pageable); or Page<QueuedBook> findByBookId_Region(Region region, Pageable ...
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Disable assertions in Python

...trate each. For the whole process Using the -O flag (capital O) disables all assert statements in a process. For example: $ python -Oc "assert False" $ python -c "assert False" Traceback (most recent call last): File "<string>", line 1, in <module> AssertionError Note that by di...
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How to create duplicate allowed attributes

...teUsage attribute onto your Attribute class (yep, that's mouthful) and set AllowMultiple to true: [AttributeUsage(AttributeTargets.Method, AllowMultiple = true)] public sealed class MyCustomAttribute: Attribute share ...
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Which is better, return value or out parameter?

...ery rare exception to this rule.) Aside from anything else, it stops the caller from having to declare the variable separately: int foo; GetValue(out foo); vs int foo = GetValue(); Out values also prevent method chaining like this: Console.WriteLine(GetValue().ToString("g")); (Indeed, that...