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Writing files in Node.js
I've been trying to find a way to write to a file when using Node.js, but with no success. How can I do that?
19 Answers
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Is there a RegExp.escape function in Javascript?
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The function linked above is insufficient. It fails to escape ^ or $ (start and end of string), or -, which in a character group is used for ranges.
Use this function:
function escapeRegex(string) {
return string.replace(/[-\/\\^$*+?.()|[\]{}]/g, '\\$&');
}
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ASP.NET MVC - Set custom IIdentity or IPrincipal
...fairly simple: in my ASP.NET MVC application, I want to set a custom IIdentity / IPrincipal. Whichever is easier / more suitable. I want to extend the default so that I can call something like User.Identity.Id and User.Identity.Role . Nothing fancy, just some extra properties.
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Matplotlib discrete colorbar
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You can create a custom discrete colorbar quite easily by using a BoundaryNorm as normalizer for your scatter. The quirky bit (in my method) is making 0 showup as grey.
For images i often use the cmap.set_bad() and convert my data to a numpy masked array. That would ...
How do I “Add Existing Item” an entire directory structure in Visual Studio?
I have a free standing set of files not affiliated with any C# project at all that reside in a complicated nested directory structure.
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How can I remove a style added with .css() function?
I'm changing CSS with jQuery and I wish to remove the styling I'm adding based on the input value:
21 Answers
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Do on-demand Mac OS X cloud services exist, comparable to Amazon's EC2 on-demand instances? [closed]
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I just came across this tonight. Can't say if they are legit, how long in business, and whether they'll be around long, but seems interesting. I may give them a try, and will post update if I do.
Per the website, they say they offer hourly pay-as-you-go and weekly/monthly plans, pl...
What columns generally make good indexes?
...e in query optimization and searching the results speedily from tables. So it is most important step to select which columns to be indexed. There are two major places where we can consider indexing: columns referenced in the WHERE clause and columns used in JOIN clauses. In short, such columns shoul...
What are the most useful Intellij IDEA keyboard shortcuts? [closed]
I did a bit of googling hoping to find a post on IDEA shortcuts similar to Jeff's post on Visual Studio shortcuts ( Visual Studio .NET 2003 and 2005 Keyboard Shortcuts ), but didn't really spot anything that helped. Hopefully the answers to this question will fill the void.
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jQuery hasAttr checking to see if there is an attribute on an element [duplicate]
...there is an attribute on an element in jQuery? Similar to hasClass , but with attr ?
9 Answers
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