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Why not infer template parameter from constructor?
...iable<Variable<int>> ?
The key question is, does the compiler select the type-inferred constructor here or the copy constructor?
Trying the code out, we can see that the copy constructor is selected. To expand on the example:
Variable var(num); // infering ctor
Variable var2(va...
How to perform OR condition in django queryset?
...st_name__startswith='D'
)
leads to
In [5]: str(queryset.query)
Out[5]: 'SELECT "auth_user"."id", "auth_user"."password", "auth_user"."last_login",
"auth_user"."is_superuser", "auth_user"."username", "auth_user"."first_name",
"auth_user"."last_name", "auth_user"."email", "auth_user"."is_staff",
"a...
targetContentOffsetForProposedContentOffset:withScrollingVelocity without subclassing UICollectionVi
...en in interface builder I changed the collection view layout to Custom and selected my flow layout subclass.
Because you're doing it this way you can't specify items sizes, etc... in IB so in MyCollectionViewFlowLayout.m I have this...
- (void)awakeFromNib
{
self.itemSize = CGSizeMake(75.0, 75...
How to write a Unit Test?
...l,calculatedVal).
Test your method by running it (in Eclipse, right click, select Run as → JUnit test).
//for normal addition
@Test
public void testAdd1Plus1()
{
int x = 1 ; int y = 1;
assertEquals(2, myClass.add(x,y));
}
Add other cases as desired.
Test that your binary sum doe...
SQL multiple column ordering
... 1478
Thomas | Jefferson | 1826
If you execute the query below:
SELECT * FROM People ORDER BY FirstName DESC, YearOfBirth ASC
The result set will look like this:
FirstName | LastName | YearOfBirth
----------------------------------------
Thomas | More | 1478
Thomas ...
What are JavaScript's builtin strings?
...
The idea is to just select both n and v and just pick whichever is largest: str[23]>str[27]?str[23]:str[27]. In other words, the tertiary operator is the trick. Could be extended to support IE as well: ([]+/-/[(!!1+[])[1>>1]+(!!1+[])[1&...
“On-line” (iterator) algorithms for estimating statistical median, mode, skewness, kurtosis?
...oints you have, in theory you only have to partially sort, e.g. by using a selection algorithm. However, that doesn't help too much with billions of values. I would suggest using frequency counts, see the next section.
Median and Mode with Frequency Counts
If it is integers, I would count
frequenc...
What is the difference between jQuery's mouseout() and mouseleave()?
...
Event Mouseout will trigger when mouse leaves the selected element and also when mouse leaves it's child elements also.
Event Mouseleave element will trigger when pointer will leave the selected element only.
Reference: W3School
...
How to unset a JavaScript variable?
...all browsers. Running in real documents, your code examples are correct. I selected your answer as correct, but I'd appreciate it if you can edit it to include explaining window.a = 1; delete window.a; and possibly the mechanism. I can do so as well if you don't mind.
– Guss
...
How do I set the default font size in Vim?
...n supports it)
set guifont=*
This will pop up a menu that allows you to select the font. After selecting the font, type
set guifont?
To show what the current guifont is set to. After that copy that line into your vimrc or gvimrc. If there are spaces in the font add a \ to escape the space.
se...