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Validate decimal numbers in JavaScript - IsNumeric()
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@Joel's answer is pretty close, but it will fail in the following cases:
// Whitespace strings:
IsNumeric(' ') == true;
IsNumeric('\t\t') == true;
IsNumeric('\n\r') == true;
// Number literals:
IsNumeric(-1) == false;
IsNumeric(0) == false;
IsNumeric(1....
What is scaffolding? Is it a term for a particular platform?
Scaffolding, what is it? Is it a Rails-only thing?
7 Answers
7
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Random number generation in C++11: how to generate, how does it work? [closed]
...andom numbers in C++11, but couldn't digest the papers that I read about it (what is that engine , maths term like distribution , "where all integers produced are equally likely ").
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“ClickOnce does not support the request execution level 'requireAdministrator.'”
So I was writing an application that requires access to the registry.
I had not touched any build settings, wanting to get the thing working before I added the other touches, such as a description or name.
Out of the blue, I get an error that will not go away. ClickOnce does not support the requ...
Convert base64 string to ArrayBuffer
... not there when the page is loaded.
I would like to do this in javascript without making an ajax call to the server if possible.
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How to organize a node app that uses sequelize?
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The short story
The trick in this case is not to initialize the model in the file but just to provide the necesary information for its initialization and let a centralized module take care of the models setup and instantiation.
So the steps are:
Have several Model files with...
How do I auto size a UIScrollView to fit its content
... make a UIScrollView auto-adjust to the height (or width) of the content it's scrolling?
21 Answers
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Boolean Field in Oracle
... the pros/cons of each approach.
The most commonly seen design is to imitate the many Boolean-like
flags that Oracle's data dictionary views use, selecting 'Y' for true
and 'N' for false. However, to interact correctly with host
environments, such as JDBC, OCCI, and other programming envir...
How do I read a text file of about 2 GB? [duplicate]
... a .txt file whose memory is more than 2 GB. The problem is I cannot open it with Notepad, Notepad++ or any other editor programs.
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Which annotation should I use: @IdClass or @EmbeddedId
...A (Java Persistence API) specification has 2 different ways to specify entity composite keys: @IdClass and @EmbeddedId .
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