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Why can't (or doesn't) the compiler optimize a predictable addition loop into a multiplication?
...ant answer by Mysticial to the question: why is it faster to process a sorted array than an unsorted array ?
7 Answers
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Is there any algorithm in c# to singularize - pluralize a word?
Is there any algorithm in c# to singularize - pluralize a word (in english) or does exist a .net library to do this (may be also in different languages)?
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Is null check needed before calling instanceof?
Will null instanceof SomeClass return false or throw a NullPointerException ?
7 Answers
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How to parse JSON to receive a Date object in JavaScript?
...rialize a DateTime at all; just send an RFC 1123 date string ToString("r") or a seconds-from-Unix-epoch number, or something else that you can use in the JavaScript to construct a Date.
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How to undo a git pull?
...ould like to undo my git pull on account of unwanted commits on the remote origin, but I don't know to which revision I have to reset back to.
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How to check if a file exists in a folder?
...is is a way to see if any XML-files exists in that folder, yes.
To check for specific files use File.Exists(path), which will return a boolean indicating wheter the file at path exists.
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How do I remove objects from a JavaScript associative array?
...To remove a property from an object in JavaScript you use the delete operator:
const o = { lastName: 'foo' }
o.hasOwnProperty('lastName') // true
delete o['lastName']
o.hasOwnProperty('lastName') // false
Note that when delete is applied to an index property of an Array, you will create a sparsel...
What version of javac built my jar?
...patibility. Is the compiler version embedded somewhere in the class files or jar?
20 Answers
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Java Round up Any Number
I can't seem to find the answer I'm looking for regarding a simple question: how do I round up any number to the nearest int ?
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Setting background colour of Android layout element
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You can use simple color resources, specified usually inside res/values/colors.xml.
<color name="red">#ffff0000</color>
and use this via android:background="@color/red". This color can be used anywhere else too, e.g. as a text color...