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MongoDB: Combine data from multiple collections into one..how?
... db.users.find();
db.comments.save({userId: users[0]._id, "comment": "Hey, what's up?", created: new ISODate()});
db.comments.save({userId: users[1]._id, "comment": "Not much", created: new ISODate()});
db.comments.save({userId: users[0]._id, "comment": "Cool", created: new ISODate()});
// end sampl...
(this == null) in C#!
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@quetzalcoatl: this in CheckNull method is legal. What is not legal is the implicit this-access in () => CheckNull(), essentially () => this.CheckNull(), which is running outside the block of an instance constructor. I agree that the part of spec I cite is mostly focu...
What is the difference between 'java', 'javaw', and 'javaws'?
What is the difference between java , javaw , and javaws ?
5 Answers
5
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HashMap get/put complexity
...n my experience. So no, O(1) certainly isn't guaranteed - but it's usually what you should assume when considering which algorithms and data structures to use.
In JDK 8, HashMap has been tweaked so that if keys can be compared for ordering, then any densely-populated bucket is implemented as a tree...
Browse and display files in a git repo without cloning
... can see the current HEADs and tags for example).
The only real way to do what you want (if I understand correctly) would be to use ssh to run a remote command and return the results, for example:
ssh me@otherhost "cd repo && git log -n 10"
What you want would be lovely functionality if ...
Focus Next Element In Tab Index
...never implemented this, but I've looked into a similar problem, and here's what I would try.
Try this first
First, I would see if you could simply fire a keypress event for the Tab key on the element that currently has focus. There may be a different way of doing this for different browsers.
If t...
get all keys set in memcached
...ocalhost:11211 dump | less
which dumps all keys and values.
See also:
What's the simplest way to get a dump of all memcached keys into a file?
How do I view the data in memcache?
share
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impro...
Does it make sense to use Require.js with Angular.js? [closed]
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To restate what I think the OP's question really is:
If I'm building an application principally in Angular 1.x, and (implicitly) doing so in the era of Grunt/Gulp/Broccoli and Bower/NPM, and I maybe have a couple additional library ...
How to determine if a string is a number with C++?
... Also doesn't handle negative numbers and non-whole numbers. We can't know what the requirements are based on the question.
– Brennan Vincent
Jan 11 '11 at 6:24
76
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Change the color of a bullet in a html list?
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Exactly what I needed! I have a list of links and the links already have a different color style applied to them anyway.
– Dave Haynes
Sep 16 '08 at 20:38
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