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Python `if x is not None` or `if not x is None`?
...is y. Although the compiler will always treat it as not (x is y), a human reader might misunderstand the construct as (not x) is y. If I write x is not y then there is no ambiguity.
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“Origin null is not allowed by Access-Control-Allow-Origin” error for request made by application ru
...defining the callback=? so that you can use an anonymous function. You may read more about it in the documentation.
Another remark is that you shouldn't call eval. The parameter passed to your anonymous function will already be parsed into JSON by jQuery.
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Understanding the meaning of the term and the concept - RAII (Resource Acquisition is Initialization
... }
}
// The following technicalities can be skipped on the first read.
// They are not crucial to understanding the basic idea of RAII.
// However, if you plan to implement your own RAII classes,
// it is absolutely essential that you read on :)
// It does not make sense...
Xcode duplicate/delete line
...the sharing & permissions setting (By pressing the lock) and set it to Read & Write for all.
Enter the folder and find the file IDETextKeyBindingSet.plist. Right Click it, press Get Info, unlock the sharing & permissions setting (By pressing the lock) and set it to Read & Write for a...
How to insert an element after another element in JavaScript without using a library?
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If you already have the element constructed, you can use .insertAdjacentElement()
– GetFree
Mar 13 '18 at 17:05
7
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How to access session variables from any class in ASP.NET?
...ary), using System.Web.HttpContext.Current.Session["loginId"].
But please read on for my original answer...
I always use a wrapper class around the ASP.NET session to simplify access to session variables:
public class MySession
{
// private constructor
private MySession()
{
Pr...
What happened to console.log in IE8?
...lly liked the IIFE article you've mentioned, probably one of the best i've read so far. Could you please elaborate what is the purpose for these two lines in trap function: var args = Array.prototype.slice.call(arguments); var message = args.join(' '); ? Why do you pass the the arguments through thi...
n-grams in python, four, five, six grams?
...ltk approach (just in case, the OP gets penalized for reinventing what's already existing in the nltk library).
There is an ngram module that people seldom use in nltk. It's not because it's hard to read ngrams, but training a model base on ngrams where n > 3 will result in much data sparsity.
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Why do people say there is modulo bias when using a random number generator?
...ll rarely require more than one call to rand().
Works cited and further reading:
CPlusPlus Reference
Eternally Confuzzled
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How to turn on (literally) ALL of GCC's warnings?
...t really want all warnings, you just think you do.
Go through the manual, read about them, decide which you might want to enable, try them. Reading your compiler's manual is a Good ThingTM anyway, taking a short cut and enabling warnings you don't understand is not a very good idea, especially if ...