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Generating all permutations of a given string
What is an elegant way to find all the permutations of a string. E.g. permutation for ba , would be ba and ab , but what about longer string such as abcdefgh ? Is there any Java implementation example?
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How to make an HTML back link?
...way to create an <a> tag that links to the previous web page? Basically a simulated back button, but an actual hyperlink. Client-side technologies only, please.
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Get Image Height and Width as integer values?
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@poke: are you really 100% sure?
– Sarfraz
Feb 18 '10 at 5:04
5
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How to initialize a two-dimensional array in Python?
...beginning python and I'm trying to use a two-dimensional list, that I initially fill up with the same variable in every place. I came up with this:
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Need to ZIP an entire directory using Node.js
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How do I include all files and directories, recursively (also the hidden files/directories)?
– Ionică Bizău
Jan 12 '15 at 10:21
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How do you check if a JavaScript Object is a DOM Object?
...exception is thrown and we end up here. Testing some
//properties that all elements have (works on IE7)
return (typeof obj==="object") &&
(obj.nodeType===1) && (typeof obj.style === "object") &&
(typeof obj.ownerDocument ==="object");
}
}
It's part of ...
Authoritative position of duplicate HTTP GET query keys
...t you like.
Typical approaches include: first-given, last-given, array-of-all, string-join-with-comma-of-all.
Suppose the raw request is:
GET /blog/posts?tag=ruby&tag=rails HTTP/1.1
Host: example.com
Then there are various options for what request.query['tag'] should yield, depending on the...
Android search with Fragments
... to be a better answer: stackoverflow.com/questions/6938952/… This will allow "searching" from within Fragments. True, it's not the official search mechanism provided by Google, but it works just fine.
– Kyle Falconer
Aug 5 '13 at 19:19
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How to update npm
I'm trying to install mean.io boilerplate. It fails when running sudo npm install -g meanio@latest . Prior to failing it notes that it 'wants' npm version 1.4.x, whereas I have 1.2.18 installed. So I tried updating npm to the latest; several ways. Last of which was...
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How can sbt pull dependency artifacts from git?
... myProject = Project("my-project", file("."))
.settings(myProjectSettings: _*)
.dependsOn(Projects.depProject)
.settings(
libraryDependencies ++= Seq(...
Note that if you have multiple SBT projects dependending on the same external project, it's worth setting up a central sbt.boot.directory to a...