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Verifying that a string contains only letters in C#
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When to use the brace-enclosed initializer?
...t works everywhere, for instance even for in-class initialization:
struct foo {
// Ok
std::string a = { "foo" };
// Also ok
std::string b { "bar" };
// Not possible
std::string c("qux");
// For completeness this is possible
std::string d = "baz";
};
or for funct...
How do I extract a sub-hash from a hash?
...[desired_keys, hash.values_at(*desired_keys)].transpose]
end
ex:
slice({foo: 'bar', 'bar' => 'foo', 2 => 'two'}, 'bar', 2)
# => {'bar' => 'foo', 2 => 'two'}
except({foo: 'bar', 'bar' => 'foo', 2 => 'two'}, 'bar', 2)
# => {:foo => 'bar'}
Explanation:
Out of {:a =&...
How to make CSS width to fill parent?
...r css for it. Then it will follow the same rendering rules as the div.
td#foo will be rendered as a table-cell which has some craziness to it. Bottom line here is that for your purposes its going to act just like div#foo as far as restricting the width of its contents. The only issue here is going ...
Mockito How to mock only the call of a method of the superclass
...Mockito can mock it correctly.
public class BaseService{
public boolean foo(){
return true;
}
}
public ChildService extends BaseService{
}
@Test
@Mock ChildService childService;
public void testSave() {
Mockito.when(childService.foo()).thenReturn(false);
// When
assertFalse(childSe...
How to get element by class name? [duplicate]
...n value is an array-like object:
var y = document.getElementsByClassName('foo');
var aNode = y[0];
If, for some reason you need the return object as an array, you can do that easily, because of its magic length property:
var arrFromList = Array.prototype.slice.call(y);
//or as per AntonB's comme...
What is the fastest way to check if a class has a function defined?
... also returns True if connection has an attribute connection.invert_opt = 'foo'.
– Robert Hönig
Nov 13 '17 at 12:47
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Should __init__() call the parent class's __init__()?
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CS0120: An object reference is required for the nonstatic field, method, or property 'foo'
Consider:
7 Answers
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How can one print a size_t variable portably using the printf family?
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For C89, use %lu and cast the value to unsigned long:
size_t foo;
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printf("foo = %lu\n", (unsigned long) foo);
For C99 and later, use %zu:
size_t foo;
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printf("foo = %zu\n", foo);
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