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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 add display:inline-block in a jQuery show() function?
...d work. Maybe you are targeting the wrong element on your HTML page.
$('#foo').css('display', 'inline-block');
But if you are not using any effects of .show(), .hide() why don't you set those CSS properties manually like:
$('#foo').css('display','none');
$('#foo').css('display','inline-block')...
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...
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 unit tests be written for getter and setters?
...t later on, this will reinforce your assumptions.
A common bug is void setFoo( Object foo ){ foo = foo; } where it should be void setFoo( Object foo ){ this.foo = foo; }. (In the first case the foo that is being written to is the parameter not the foo field on the object).
If you are returning an a...
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...
How can one print a size_t variable portably using the printf family?
...
For C89, use %lu and cast the value to unsigned long:
size_t foo;
...
printf("foo = %lu\n", (unsigned long) foo);
For C99 and later, use %zu:
size_t foo;
...
printf("foo = %zu\n", foo);
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Check if full path given
...It also returns true for absolute paths.
System.IO.Path.IsPathRooted(@"c:\foo"); // true
System.IO.Path.IsPathRooted(@"\foo"); // true
System.IO.Path.IsPathRooted("foo"); // false
System.IO.Path.IsPathRooted(@"c:1\foo"); // surprisingly also true
System.IO.Path.GetFullPath(@"c:1\foo");// returns "...
Is there a “not in” operator in JavaScript for checking object properties?
...
Two quick possibilities:
if(!('foo' in myObj)) { ... }
or
if(myObj['foo'] === undefined) { ... }
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CS0120: An object reference is required for the nonstatic field, method, or property 'foo'
Consider:
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