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How to make a function wait until a callback has been called using node.js
..., here goes: (1) Use C to implement your function and publish it to NPM in order to use it. That's what the sync methods do. (2) Use fibers, github.com/laverdet/node-fibers, (3) Use promises, for example the Q-library, (4) Use a thin layer on top of javascript, that looks blocking, but compiles to a...
How can I make Array.Contains case-insensitive on a string array?
... three choices above depends on the circumstance. I don't object to your reordering, but I'm removing the "probably not" comment. It's already made clear in the answer that you should pick the one that works for you in the current situation.
– Mehrdad Afshari
J...
Regex to match only letters
...pends on what definition of "latin character" you choose. J, U, Ö, Ä can all be argued to be latin characters or not, based on your definition. But they are all used in languages that use the "latin alphabet" for writing.
– Joachim Sauer
Sep 1 '10 at 12:23
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How to spyOn a value property (rather than a method) with Jasmine
...ue as needed.
const spy = spyOnProperty(myObj, 'myGetterName', 'get').and.callThrough(); // Call the real thing.
Here's the line in the github source code where this method is available if you are interested.
https://github.com/jasmine/jasmine/blob/7f8f2b5e7a7af70d7f6b629331eb6fe0a7cb9279/src/cor...
What is the difference between DAO and Repository patterns?
...that access a database, must have some logic to handle database access. In order to keep the code clean and modular, it is recommended that database access logic should be isolated into a separate module. In layered architecture, this module is DAL.
So far, we haven't talked about any particular im...
How to access random item in list?
...fle<T>(this IEnumerable<T> source)
{
return source.OrderBy(x => Guid.NewGuid());
}
}
For a strongly typed list, this would allow you to write:
var strings = new List<string>();
var randomString = strings.PickRandom();
If all you have is an ArrayList, you can...
How to check if a view controller is presented modally or pushed on a navigation stack?
...elf.navigationController != nil would mean it's in a navigation
stack.
In order to handle the case that the current view controller is pushed while the navigation controller is presented modally, I have added some lines of code to check if the current view controller is the root controller in the n...
how can I see what ports mongo is listening on from mongo shell?
... port, it must be 27017. If the port is not 27017, I must know the port in order to connect. Sound right?
– jcollum
Feb 19 '12 at 18:01
...
Downloading MySQL dump from command line
...
Instead of using > to save, I rather use -r in order to prevent trouble with foreign characters, or that nightmare concerning encoding problems, as stated in this article.
– Pathros
Feb 7 '18 at 15:43
...
In MySQL, how to copy the content of one table to another table within the same database?
...y the content of one table to another table within the same database. Basically, I would like to insert to a table from another table. Is there easy way of doing this?
...