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Is it better to reuse a StringBuilder in a loop?
...ngth(0) is far and away the most efficient answer. StringBuilder is backed by a char array and is mutable. At the point .toString() is called, the char array is copied and is used to back an immutable string. At this point, the mutable buffer of StringBuilder can be re-used, simply by moving the ins...
Append column to pandas dataframe
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As pointed by @jeremy-z, it is very important to reset indexes in both dataset if they don't share same index. Otherwise you will get one dataset with lot of NaNs rows.
– Israel Varea
Jun 18 '19 at...
How long does it take for GitHub page to show changes after changing index.html
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Github pages are cached with CDN. As explained by JoelGlovier in comments, you can still have the latest version of your pages by appending a version in the query string such as https://username.github.io/awesome-repo/?version=f36af92 so that you won't get a cached versio...
Accessing bash command line args $@ vs $*
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+1 I've always thought this concept was best demonstrated by a simple example, in which the bash manual is completely lacking.
– chepner
Sep 7 '12 at 12:01
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Difference between Label and TextBlock
...can also be a TextBlock (or any other control), so Labels can be multiline by using a TextBlock as the content.
– Jim Balter
May 18 '16 at 23:39
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Connection string using Windows Authentication
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All actions performed by the process will be run with the permissions/privileges of that account. Don't grant more permissions than needed. A dedicated service account would be advisable. Would recommend checking out the DISA IIS and Windows Serve...
Parse RSS with jQuery
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XmlHttpRequest error: Origin is not allowed by Access-Control-Allow-Origin
– jackocnr
Aug 30 '12 at 19:05
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Connect to a heroku database with pgadmin
I would like to manage my heroku database with pgadmin client. By now, I've been doing this with psql .
When I use data from heroku pg:credentials to connect de DB using pgadmin , I obtain:
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How is pattern matching in Scala implemented at the bytecode level?
How is pattern matching in Scala implemented at the bytecode level?
3 Answers
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Can I call an overloaded constructor from another constructor of the same class in C#?
...l things. If so, you should through arguments of the base constructor, not by setting properties of the base class or something like that
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