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Is ServiceLocator an anti-pattern?
...gacy code, everything is justified to get you out of that mess, even if it means taking intermediate (and imperfect) steps. The Service Locator is such intermediate step. It allows you get out of that hell one step at the time, as long as you remember that a good alternative solution exists that is ...
How to avoid having class data shared among instances?
... def __init__(self):
self.list = []
Declaring the variables inside the class declaration makes them "class" members and not instance members. Declaring them inside the __init__ method makes sure that a new instance of the members is created alongside every new instance of the object, whi...
Preview layout with merge root tag in Intellij IDEA/Android Studio
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There is a new parentTag tools attribute (added in Android Studio 2.2) that you can use to specify the layout type for a merge tag, which will make the layout render correctly in the layout editor preview.
So using your example:
<merge xmlns:android="http://schemas.android.c...
Convert hex string to int in Python
...der to invoke this prefix-guessing behavior; omitting the second parameter means to assume base-10.)
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What are CN, OU, DC in an LDAP search?
I have a search query in LDAP like this. What exactly does this query mean?
3 Answers
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Sass Variable in CSS calc() function
... This is definitely a clearer answer than the accepted. 'Interpolate:' meant nothing to me.
– Jacques Mathieu
Aug 5 '19 at 16:15
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Inserting multiple rows in a single SQL query? [duplicate]
...data to insert at once, say 4 rows. My table has three columns: Person , Id and Office .
4 Answers
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Label Alignment in iOS 6 - UITextAlignment deprecated
... best practice, no doubt. You can ALWAYS assume that NSTextAlignmentCenter means CENTER, you can in NO WAY assume that 1 always means CENTER. Unless Apple is completely daft.
– Rasmus
Nov 14 '12 at 13:17
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Why use AJAX when WebSockets is available?
...e it does not answer the question. It basically just says that they aren't meant to replace each other and that WS isn't fully supported (it is now). It doesn't answer why you would prefer AJAX over websocket? Let's take Discord for example. Discord uses WS to push messages and events from the serve...
Declaring javascript object method in constructor function vs. in prototype [duplicate]
... accessible outside the constructor function so are effectively "private", meaning your API is cleaner than if these variable were instead defined as properties of the object. Some general rules of thumb:
If your methods do not use local variables defined in your constructor (your example doesn't)...