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RVM: Uninstalling all gems of a gemset
I have global gems and various gemsets. I want to remove all gems of a gemset. Is there a way do to this, besides uninstalling the gemset?
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jquery select change event get selected option
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@AdrianFöder For you and other people looking for it, .find() is around 10% faster according to this answer: stackoverflow.com/a/9046288/2767703
– Kevin van Mierlo
Jun 8 '16 at 12:39
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jQuery equivalent of getting the context of a Canvas
... ensure you don't try calling the canvas element before it's fully created and registered to the DOM.
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Get object by id()? [duplicate]
...The Python weakref module lets you keep references, dictionary references, and proxies to objects without having those references count in the reference counter. They're like symbolic links.
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Python: finding an element in a list [duplicate]
...x in mylist if x.attr == "foo"][0]
Of course this assumes the existence (and, actually, uniqueness) of a suitable element in the list.
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How can I convert a string to upper- or lower-case with XSLT?
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In XSLT 1.0 the upper-case() and lower-case() functions are not available.
If you're using a 1.0 stylesheet the common method of case conversion is translate():
<xsl:variable name="lowercase" select="'abcdefghijklmnopqrstuvwxyz'" />
<xsl:vari...
Kotlin: how to pass a function as parameter to another?
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Use :: to signify a function reference, and then:
fun foo(m: String, bar: (m: String) -> Unit) {
bar(m)
}
// my function to pass into the other
fun buz(m: String) {
println("another message: $m")
}
// someone passing buz into foo
fun something() {
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New line in JavaScript alert box
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I'm working in MVC 4, and creating a confirm() in the onsubmit event of an Html.BeginForm(). \n does not work for me. I get an Illegal token error when the code gets hit. Apparently you need to escape both the newline character and the backslash t...
CSS /JS to prevent dragging of ghost image?
...ing under the assumption that the ghost image is visual indicator for drag-and-drop (which it is), and that most people who want to hide the ghost image generally don't care if drag-and-drop is disabled altogether.
– BoltClock♦
Jun 26 '14 at 1:28
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Using Java 8's Optional with Stream::flatMap
The new Java 8 stream framework and friends make for some very concise java code, but I have come across a seemingly-simple situation that is tricky to do concisely.
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