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How to auto-reload files in Node.js?
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WHERE vs HAVING
...ain any aggregates, putting it into the WHERE clause will most probably be more efficient.
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How to “properly” create a custom object in JavaScript?
...otype's this.x and this.y. If the constructor function were doing anything more complicated, it would fall flat on its face.
So what we need to do is find a way to create a prototype object which contains the methods and other members we want at a class level, without calling the base class's const...
Is there a good reason I see VARCHAR(255) used so often (as opposed to another length)?
...F-8 in MySQL, you have to use its "utf8mb4" encoding. But people are much more likely to not know that and go with "utf8", and much more likely to want UTF-8 than any other encoding, so, presto, they wind up with a maximum indexable length of 255 characters in a VARCHAR. Your astoundment notwithst...
When should I use uuid.uuid1() vs. uuid.uuid4() in python?
...to make it unique across computers.
You can create duplicates by creating more than 214 uuid1 in less than 100ns, but this is not a problem for most use cases.
uuid4() generates, as you said, a random UUID. The chance of a collision is really, really, really small. Small enough, that you shouldn't...
What is an intuitive explanation of the Expectation Maximization technique? [closed]
...data point.
Calculate weights for each data point indicating whether it is more red or more blue based on the likelihood of it being produced by a parameter. Combine the weights with the data (expectation).
Compute a better estimate for the parameters using the weight-adjusted data (maximisation).
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Passing parameters to addTarget:action:forControlEvents
...ust check (objectClass *)[button.layer valueForKey:@"anyKey"]; It's like a more free version of .tag
– Albert Renshaw
Oct 14 '16 at 20:40
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Cache an HTTP 'Get' service response in AngularJS?
...to enable or disable caching of the HTTP response. See
$http Caching for more
information.
Boolean value
So you can set cache to true in its options:
$http.get(url, { cache: true}).success(...);
or, if you prefer the config type of call:
$http({ cache: true, url: url, method: 'GET'}).succ...
How can I add a key/value pair to a JavaScript object?
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“X-UA-Compatible” content=“IE=9; IE=8; IE=7; IE=EDGE”
...his allows for much easier testing and maintenance. Although generally the more useful version of this is using Emulate:
<meta http-equiv="X-UA-Compatible" content="IE=EmulateIE8" />
For this:
<meta http-equiv="X-UA-Compatible" content="IE=Edge" />
It forces the browser the render ...