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When to use ko.utils.unwrapObservable?
I've written a few custom bindings using KnockoutJS. I'm still unsure when to use ko.utils.unwrapObservable(item) Looking at the code, that call basically checks to see if item is an observable. If it is, return the value(), if it's not, just return the value. Looking at the section on Knockout ...
Type Checking: typeof, GetType, or is?
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To clarify, I was aware of that, but I commented before you added a code sample. I wanted to try to add some plain English clarity to your already excellent answer.
– jasonh
Jun 11 '09 a...
How to move one word left in the vi editor
I use the shortcut w to move the cursor one word right. Is there a shortcut to move a word left?
5 Answers
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What algorithm gives suggestions in a spell checker?
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There is good essay by Peter Norvig how to implement a spelling corrector. It's basicly a brute force approach trying candidate strings with a given edit distance. (Here are some tips how you can improve the spelling corrector performance using a Bloom Filter and f...
How do you mock out the file system in C# for unit testing?
Are there any libraries or methods to mock out the file system in C# to write unit tests? In my current case I have methods that check whether certain file exists and read the creation date. I may need more than that in future.
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Why use multiple columns as primary keys (composite primary key)
..., but the combination of the two is guaranteed unique.
The alternative is to use a generated (non-intelligent) primary key, for example in this case OrderDetailId. But then you would not always see the relationship as easily. Some folks prefer one way; some prefer the other way.
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Combining two Series into a DataFrame in pandas
...2 with the same (non-consecutive) indices. How do I combine s1 and s2 to being two columns in a DataFrame and keep one of the indices as a third column?
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How to update a plot in matplotlib?
I'm having issues with redrawing the figure here. I allow the user to specify the units in the time scale (x-axis) and then I recalculate and call this function plots() . I want the plot to simply update, not append another plot to the figure.
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What's the best way to detect a 'touch screen' device using JavaScript?
I've written a jQuery plug-in that's for use on both desktop and mobile devices. I wondered if there is a way with JavaScript to detect if the device has touch screen capability. I'm using jquery-mobile.js to detect the touch screen events and it works on iOS, Android etc., but I'd also like to writ...
var functionName = function() {} vs function functionName() {}
...e else's JavaScript code. I'm fixing bugs, adding features and also trying to tidy up the code and make it more consistent.
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