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Difference between case object and object
...between a standard Scala object and a case object is explained by what we know about the difference between standard classes and case classes. This answer doesn't even address the wording of the question.
– itsbruce
Jan 31 '17 at 13:50
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Why do we need message brokers like RabbitMQ over a database like PostgreSQL?
...ated to be an in-memory key-value store(though it does much more than that now; its even referred to as a swiss army knife). Still, I've read/heard many people achieving good results with Redis for smaller sized projects, but haven't heard much about it in larger applications.
Here is an example of...
Handling optional parameters in javascript
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You can know how many arguments were passed to your function and you can check if your second argument is a function or not:
function getData (id, parameters, callback) {
if (arguments.length == 2) { // if only two arguments were s...
sed one-liner to convert all uppercase to lowercase?
...oned, BSD sed doesn't support it). Try reading the top line of man sed to know which version you're using.
– Ryder
Dec 8 '17 at 10:48
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CALayers didn't get resized on its UIView's bounds change. Why?
...ut the sublayers resizes in a different animation. Bloody hell, what to do now? What is the method to override in the CALayer subclass what invokes on EVERY (!) frame of the view's animation? Is there any?
– Geri Borbás
Mar 24 '10 at 19:32
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How to architect an Ember.js application
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Fair point @JKillian. I know there is a concern about Ember's learning curve, for those reasons. While Ember-cli does introduce some complexity (Ember-data & Broccoli), it removes significant confusion around vendor requirements and structuring ...
Difference between Repository and Service Layer?
...aravel conventions, and has some architectural problems for work I'm doing now. One thing I came across is that repositories "should not return ViewModels, DTO's, or query objects", but rather should return repository objects. I'm thinking through where services interact with repository objects via ...
How to re import an updated package while in Python Interpreter? [duplicate]
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Reload is now longer a function in Python 3. Use imp.reload() instead
– Casebash
Dec 12 '12 at 1:33
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is_file or file_exists in PHP
...e or directory. So it would depend entirely on your needs. If you want to know specifically if it's a file or not, use is_file(). Otherwise, use file_exists().
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Strange out of memory issue while loading an image to a Bitmap object
...ts within the available memory.
Load a scaled down version into Memory
Now that the image dimensions are known, they can be used to decide if the full image should be loaded into memory or if a subsampled version should be loaded instead. Here are some factors to consider:
Estimated memory usa...