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Where to define custom error types in Ruby and/or Rails?
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Some heirarchy can be helpful - namespaces are good at keeping redundant strings out of type names - but that's more a matter of taste - there's no need to go overboard provided you have at least one custom exception type in your app which you use throughout to differentiate between 'intentional' ...
TypeError: ObjectId('') is not JSON serializable
...al example from json_util.
Unlike Flask's jsonify, "dumps" will return a string, so it cannot be used as a 1:1 replacement of Flask's jsonify.
But this question shows that we can serialize using json_util.dumps(), convert back to dict using json.loads() and finally call Flask's jsonify on it.
E...
What is aspect-oriented programming?
...n a method is execute, Spring AOP can hijack the executing method, and add extra functionality before or after the method execution.
Reference: http://www.mkyong.com/spring/spring-aop-examples-advice/
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In Objective-C why should I check if self = [super init] is not nil?
... my superclass's initializer is non-null then is it really still worth the extra clutter to check? (Although NSObject itself doesn't seem to have any for its -init afaict…)
– natevw
Dec 17 '15 at 18:14
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What is the difference between and ?
...: block (hence block-level) applied to them; nothing more (except somewhat extra margin in some instances). However, as aforementioned, they both different greatly in terms of semantics.
The <p> element, as its name somewhat implies, is for paragraphs. Thus, <p> should be used when you...
How to get all count of mongoose model?
...('mongodb://localhost/myApp');
var userSchema = new mongoose.Schema({name:String,password:String});
var userModel =db.model('userlists',userSchema);
var anand = new userModel({ name: 'anand', password: 'abcd'});
anand.save(function (err, docs) {
if (err) {
console.log('Error');
} el...
Delete local Git branches after deleting them on the remote repo
...hell, this is the equivalent to the answer above:
git branch -vv | Select-String -Pattern ': gone]' | ForEach-Object{($_ -split "\s+")[1]} | %{ git branch -D $_ }
Filter all the branches that are marked as gone
Call git branch -D on each of the found branches
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Adjust UIButton font size to width
...u just use self.titleLabel?.adjustsFontSizeToFitWidth ? what for do u need extra thing?
– Zaporozhchenko Oleksandr
Jul 17 '18 at 15:37
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How do I format a date in Jinja2?
...er is called many times in the templates, this avoids repeating the format string, and can result into writting less code. And even more important, less repeated code, by adding an abstration.
– jacquev6
Jun 4 '18 at 8:59
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How do I edit the Visual Studio templates for new C# class/interface?
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Extract, edit and recompress. Paths are for the class template, but the interface templates are in the same folder.
You may want to edit the VS template file in each to remove the fact that they don't automatically add refer...