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How to vertically align an image inside a div
...s a good start, but oversized images have a wrong ratio.
Here's my fork:
Demo: https://jsbin.com/lidebapomi/edit?html,css,output
HTML:
<div class="frame">
<img src="foo"/>
</div>
CSS:
.frame {
height: 160px; /* Can be anything */
width: 160px; /* Can be anythin...
Programmatically register a broadcast receiver
...blic void onReceive(Context context, Intent intent) {
//do something based on the intent's action
}
};
registerReceiver(receiver, filter);
}
Remember to run this in the onDestroy method:
@Override
protected void onDestroy() {
if (receiver != null) {
unregisterReceiver(rece...
MongoDB SELECT COUNT GROUP BY
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I need some extra operation based on the result of aggregate function. Finally I've found some solution for aggregate function and the operation based on the result in MongoDB. I've a collection Request with field request, source, status, requestDate.
...
How can I share code between Node.js and the browser?
...function so that it can be called from another machine using a simple JSON-based network protocol.
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How to implement a queue with three stacks?
...the O(1) version that has lazy evaluation. The problem is that it's really based on lazy evaluation. The question is if it can be translated to a 3-stack algorithm without lazy evaluation.
UPDATE: Another related algorithm is described in paper "Stacks versus Deques" by Holger Petersen, published i...
What is the __DynamicallyInvokable attribute for?
... comment on the OP's Q - one case where the CLR seems to be doing trickery based on this is in the handling 'slight' moves of methods (e.g. down one level onto a new base class) under unification
– Ruben Bartelink
Feb 13 '13 at 13:29
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What is the fastest factorial function in JavaScript? [closed]
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I've created an auto-memoizer for any given function based on this answer (also slightly faster :)), also including a limit on the cache size. stackoverflow.com/a/10031674/36537
– Phil H
Apr 5 '12 at 15:41
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MySQL DROP all tables, ignoring foreign keys
Is there a nice easy way to drop all tables from a MySQL database, ignoring any foreign key constraints that may be in there?
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sqlalchemy: how to join several tables by one query?
...e to setup integer primary keys for everything, but whatever):
class User(Base):
__tablename__ = 'users'
email = Column(String, primary_key=True)
name = Column(String)
class Document(Base):
__tablename__ = "documents"
name = Column(String, primary_key=True)
author_email = C...
How to access the ith column of a NumPy multidimensional array?
...is a view or a copy of another array you can do the following:
arr_c1_ref.base is arr # True
arr_c1_copy.base is arr # False
see ndarray.base.
Besides the obvious difference between the two (modifying arr_c1_ref will affect arr), the number of byte-steps for traversing each of them is differen...