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error: ‘NULL’ was not declared in this scope
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Now that C++11 is more generally supported by compilers, it might be worth mentioning the nullptr keyword, which is an actual keyword and doesn't require any #includes. It's also more typesafe than NULL.
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What are good alternatives to SQL (the language)? [closed]
...n or local methods in SQL. I looked up ScalaQuery from your post (which is now called Slick) and rewrote the entire system and every 6 queries become 1, just because you could encapsulate and have local methods! If anyone is suffering from SQL horrors, look up Scala Slick or Quill and prepare for en...
How to trigger event in JavaScript?
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This answer is more actual now. One thing to add: if there should be a know-typed event (like TransitionEvent, ClipboardEvent, etc) the appropriate constructor could be called.
– Kiril
Jul 1 '14 at 13:04
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Initializing C# auto-properties [duplicate]
... bar;
}
}
It's unfortunate that there's no way of doing this right now. You have to set the value in the constructor. (Using constructor chaining can help to avoid duplication.)
Automatically implemented properties are handy right now, but could certainly be nicer. I don't find myself wanti...
Checking if an object is a given type in Swift
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In Swift 2.2 - 5 you can now do:
if object is String
{
}
Then to filter your array:
let filteredArray = originalArray.filter({ $0 is Array })
If you have multiple types to check:
switch object
{
case is String:
...
cas...
How to check whether a pandas DataFrame is empty?
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This seems like a shame, since you need to know that df is a pd.DataFrame. I'd like to know the motivation for not implementing bool() on pd.DataFrame.
– Quant
Feb 14 '14 at 16:55
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The import org.junit cannot be resolved
... I added JUnit 4 via Properties -> Java Build Path, but every now and then Eclipse still shows me this error, though running the tests is possible without problems. Restarting Eclipse resolves the problem - for a while. Any explanation for this?
– Thomas W
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How can I use speech recognition without the annoying dialog in android phones
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Thanks for your advice. I'll try now
– Jim31837
Jun 11 '11 at 16:27
10
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How to get 0-padded binary representation of an integer in java?
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Yes, I do it now, but I believe there should be another way :) Thank you.
– khachik
Dec 12 '10 at 11:43
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Making HTTP Requests using Chrome Developer tools
...ince the Fetch API is supported by Chrome (and most other browsers), it is now quite easy to make HTTP requests from the devtools console.
To GET a JSON file for instance:
fetch('https://jsonplaceholder.typicode.com/posts/1')
.then(res => res.json())
.then(console.log)
Or to PO...