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How can I shuffle an array? [duplicate]
...hout having it show up in loops such as for (i in arr). The following will allow you to call arr.shuffle() to shuffle the array arr:
Object.defineProperty(Array.prototype, 'shuffle', {
value: function() {
for (let i = this.length - 1; i > 0; i--) {
const j = Math.floor(Ma...
Convert from List into IEnumerable format
How shall I do in order to convert _Book_List into IEnumerable format?
6 Answers
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How to Select Columns in Editors (Atom,Notepad++, Kate, VIM, Sublime, Textpad,etc) and IDEs (NetBean
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And it is called "Block Selection Mode" in Kate, if you, like me, were searching for it in the Edit menu.
– ReneSac
Apr 19 '15 at 20:52
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How to convert a string of bytes into an int?
... use the struct module to do this:
>>> struct.unpack("<L", "y\xcc\xa6\xbb")[0]
3148270713L
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Visual Studio Expand/Collapse keyboard shortcuts [duplicate]
...code file open, I can press CTRL + M or CTRL + M + O to collapse all code blocks, regions, namespaces, etc.
7 Ans...
LINQ Ring: Any() vs Contains() for Huge Collections
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Does Any() perform the operation on all objects in the collection or does it terminate with the first match?
– Quarkly
Feb 14 '19 at 18:02
1
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Are string.Equals() and == operator really same? [duplicate]
...i.e. it can be overridden, and the implementation used will depend on the execution-time type of the target object), whereas the implementation of == used is determined based on the compile-time types of the objects:
// Avoid getting confused by interning
object x = new StringBuilder("hello").ToStr...
How do I change the value of a global variable inside of a function
...That's why it's considered best practice to always declare your variables explicitly with var. Because if you forget it, you can start messing with globals by accident. It's an easy mistake to make. But in your case, this turn around and becomes an easy answer to your question.
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In javascript, is an empty string always false as a boolean?
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Yes. All false, 0, empty strings '' and "", NaN, undefined, and null are always evaluated as false; everything else is true.
And in your example, b is false after evaluation. (I think you mistakenly wrote true)
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Checking for empty arrays: count vs empty
...s simply that something that should have happened, didn't happen: the non-existence of the member variable in the subclass was treated exactly the same way as though this member variable, an array, was empty — i.e., as though it had no elements). This is problematic, and another example of PHP bei...