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What does it mean to “program to an interface”?
...rly heady discussions, so I'd like to take the opportunity to break things down a bit for understanding why an interface is useful.
When I first started getting exposed to interfaces, I too was confused about their relevance. I didn't understand why you needed them. If we're using a language like...
“Find next” in Vim
...fter the initial one). It also works for all motion operator like 3j to go down 3 lines.
– Xavier T.
Nov 12 '15 at 9:26
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Uncaught SyntaxError: Unexpected token with JSON.parse
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I was getting the error and I tracked it down to a weird character in a string. I used your method of removing the non valid JSON characters and it worked.
– albertski
Aug 13 '15 at 18:12
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Fastest way to get the first object from a queryset in django?
... will make the results deterministic but will most probably slow the query down.
– Phil Krylov
Jun 27 '17 at 19:24
@ja...
How to enable file sharing for my app?
...in the info plist of your app. Here's a link for the documentation. Scroll down to the file sharing support part.
In the past, it was also necessary to define CFBundleDisplayName (Bundle Display Name), if it wasn't already there. More details here.
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What are POD types in C++?
... compatibility with C struct layout for that compiler, and pointer up- and down-casting. PODs "act like C types", non-PODs aren't guaranteed to do so. So if you want your type to portably act like a C struct, you must ensure that it is POD, so you need to know the difference.
–...
Is it possible to specify a different ssh port when using rsync?
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Indeed, although to be fair, the downside is it becomes invisible, ie, after a while one might forget it's in the ssh config file and not understand how it works, or one of your colleagues might copy/paste the command and not understand why it doesn't work i...
What's the canonical way to check for type in Python?
...e its .write() method!
Of course, sometimes these nice abstractions break down and isinstance(obj, cls) is what you need. But use sparingly.
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How to set TextView textStyle such as bold, italic
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The spannable and fromHTML options may slow down typing / setText if the text is big due to layout recalculations. Avoid it if you have other methods available.
– Eugene Kartoyev
Oct 29 '18 at 6:21
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Best practices: throwing exceptions from properties
...ou watch or inspect an object. An exception here can be confusing and slow down your debugging efforts. It's also undesirable to perform other expensive operations in properties (like accessing a database) for the same reasons.
Properties are often used in a chaining convention: obj.PropA.AnotherPro...