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Declaring Multiple Variables in JavaScript
In JavaScript, it is possible to declare multiple variables like this:
17 Answers
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Editing Javascript using Chrome Developer Tools
I am trying to edit javascript on a site using Chrome's Developer Tools. I have read about 30 accounts of how to do this as well as watched a few videos. The fact is, when I go to the sources tab and open the file I want to edit, I can't do anything to it. Is there some step I am missing?
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Is null check needed before calling instanceof?
...on is
not null and the reference could be
cast to the ReferenceType
without raising a ClassCastException.
Otherwise the result is false."
So if the operand is null, the result is false.
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Random row from Linq to Sql
... fastest) way to retrieve a random row using Linq to SQL when I have a condition, e.g. some field must be true?
15 Answers
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Single Page Application: advantages and disadvantages [closed]
I've read about SPA and it advantages. I find most of them unconvincing. There are 3 advantages that arouse my doubts.
11 A...
How do I use arrays in C++?
C++ inherited arrays from C where they are used virtually everywhere. C++ provides abstractions that are easier to use and less error-prone ( std::vector<T> since C++98 and std::array<T, n> since C++11 ), so the need for arrays does not arise quite as often as it does in C. However, ...
.NET unique object identifier
...us value A will be changed to value B, so as far as safe code is concerned it's still a unique ID.
If the objects involved are under your control, you could create a mapping using weak references (to avoid preventing garbage collection) from a reference to an ID of your choosing (GUID, integer, wha...
How do I iterate over an NSArray?
I'm looking for the standard idiom to iterate over an NSArray. My code needs to be suitable for OS X 10.4+.
8 Answers
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Why does std::getline() skip input after a formatted extraction?
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Why does this happen?
This has little to do with the input you provided yourself but rather with the default behavior std::getline() exhibits. When you provided your input for the name (std::cin >> name), you not only submitted the following character...
Change type of varchar field to integer: “cannot be cast automatically to type integer”
...ertain field contains the type " character varying ". I'm trying to change it to " Integer " but it gives an error that casting is not possible.
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