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Java 8 Streams - collect vs reduce
... have good, concrete examples of when it's definitely better to go one way or the other?
7 Answers
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What is the @Html.DisplayFor syntax for?
I understand that in Razor, @Html does a bunch of neat things, like generate HTML for links, inputs, etc.
4 Answers
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How can I reset a react component including all transitively reachable state?
...nts that are conceptually stateful which I want to reset. The ideal behavior would be equivalent to removing the old component and readding a new, pristine component.
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Why does document.querySelectorAll return a StaticNodeList rather than a real Array?
It bugs me that I can't just do document.querySelectorAll(...).map(...) even in Firefox 3.6, and I still can't find an answer, so I thought I'd cross-post on SO the question from this blog:
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Update Git branches from master
...have two options:
The first is a merge, but this creates an extra commit for the merge.
Checkout each branch:
git checkout b1
Then merge:
git merge origin/master
Then push:
git push origin b1
Alternatively, you can do a rebase:
git fetch
git rebase origin/master
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Change how fast “title” attribute's tooltip appears
...o way. The title attribute is implemented in a browser dependent fashion. For example I remember differences between IE and FF when using \r\n inside it.
Mozilla's docs explain the limits and functionality well.
If you want customization you may take a look at third party plugins such as qTip2 wh...
In Gradle, is there a better way to get Environment Variables?
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Well; this works as well:
home = "$System.env.HOME"
It's not clear what you're aiming for.
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improve this answer
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How do I refresh the page in ASP.NET? (Let it reload itself by code)
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Once the page is rendered to the client you have only two ways of forcing a refresh.
One is Javascript
setTimeout("location.reload(true);", timeout);
The second is a Meta tag:
<meta http-equiv="refresh" content="600">
You can set the refresh intervals on the server side.
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Generate JSON string from NSDictionary in iOS
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Here are categories for NSArray and NSDictionary to make this super-easy. I've added an option for pretty-print (newlines and tabs to make easier to read).
@interface NSDictionary (BVJSONString)
-(NSString*) bv_jsonStringWithPrettyPrint:(...
How to turn NaN from parseInt into 0 for an empty string?
...r num = parseInt(s) || 0;
When not used with boolean values, the logical OR (||) operator returns the first expression (parseInt(s)) if it can be evaluated to true, otherwise it returns the second expression (0). The return value of parseInt('') is NaN. NaN evaluates to false, so num ends up being...