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JavaScript: location.href to open in new window/tab?
...notification in modern browsers, doesn't simulate a _blank anchor click at all.
– Nathan Hornby
Oct 1 '14 at 12:46
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Remote connect to clearDB heroku database
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In heroku website, go to My Apps and select the app on which you have installed ClearDB.
On the top corner click on Addons and then select ClearDB MySQL Database.
Once there, click on your database and choose the 'Endpoint Information' tab. There you see your username/password. The URL to the dat...
How do you split and unsplit a window/view in Eclipse IDE?
...tcut for splitting is:
Azerty keyboard:
Ctrl + _ for split horizontally, and
Ctrl + { for split vertically.
Qwerty US keyboard:
Ctrl + Shift + - (accessing _) for split horizontally, and
Ctrl + Shift + [ (accessing {) for split vertically.
MacOS - Qwerty US keyboard:
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iOS 7 parallax effect in my view controller
... to the orientation of the user’s device. For example, to emulate the parallax effect on the home screen, you can use the subclass UIInterpolationMotionEffect, as explained here and here, just with a few lines of code.
Objective-C:
// Set vertical effect
UIInterpolatingMotionEffect *verticalMoti...
How to convert all tables from MyISAM into InnoDB?
I know I can issue an alter table individually to change the table storage from MyISAM to InnoDB.
26 Answers
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How to expand/collapse a diff sections in Vimdiff?
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Actually if you do Ctrl+W W, you won't need to add that extra Ctrl. Does the same thing.
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Why can I not push_back a unique_ptr into a vector?
...to a local variable. The lifetime of a local variable is managed automatically: local variables are destroyed when the block ends (e.g., when the function returns, in this case). You need to dynamically allocate the object:
std::unique_ptr<int> ptr(new int(1));
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How to remove specific elements in a numpy array
...delete() returns a new array since array scalars are immutable, similar to strings in Python, so each time a change is made to it, a new object is created. I.e., to quote the delete() docs:
"A copy of arr with the elements specified by obj removed. Note that
delete does not occur in-place..."
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How does Dijkstra's Algorithm and A-Star compare?
...t; but it is a special case of the more general algorithm A*. It is not at all unusual (in fact, probably the norm) for special cases to be discovered first, and then subsequently be generalized .
– Pieter Geerkens
Sep 2 '13 at 15:37
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Counting the Number of keywords in a dictionary in python
... the len() function.
> a = {'foo':42, 'bar':69}
> len(a)
2
To get all the distinct words (i.e. the keys), use the .keys() method.
> list(a.keys())
['foo', 'bar']
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