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How to present popover properly in iOS 8
... you talk to the view controller inside of it to set the content size, by calling the property preferredContentSize
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What is “entropy and information gain”?
...: female
| | ends-vowel=0: male
length>=7
| length=5: male
basically each node represent a test performed on a single attribute, and we go left or right depending on the result of the test. We keep traversing the tree until we reach a leaf node which contains the class prediction (m or f)...
Failed to serialize the response in Web API with Json
I am working with ASP.NET MVC 5 Web Api. I want consult all my users.
27 Answers
27
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iPad/iPhone hover problem causes the user to double click a link
... ago, that use jquery mouse events...I just got an ipad and i noticed that all the mouse over events are translated in clicks...so for instance i have to do two clicks instead of one..(the first hover, than the actual click)
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How to print a number with commas as thousands separators in JavaScript
... console.log(`${failures} test(s) failed`);
} else {
console.log("All tests passed");
}
.as-console-wrapper {
max-height: 100% !important;
}
The regex uses 2 lookahead assertions:
a positive one to look for any point in the string that has a multiple of 3 digits in a row...
What does a Ajax call response like 'for (;;); { json data }' mean? [duplicate]
I found this kind of syntax being used on Facebook for Ajax calls. I'm confused on the for (;;); part in the beginning of response. What is it used for?
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How to sort an array of integers correctly
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By default, the sort method sorts elements alphabetically. To sort numerically just add a new method which handles numeric sorts (sortNumber, shown below) -
var numArray = [140000, 104, 99];
numArray.sort(function(a, b) {
return a - b;
});
console.log(numArray);
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What's the main difference between int.Parse() and Convert.ToInt32
...u'd use Int32.Parse().
If you're collecting input from a user, you'd generally use Int32.TryParse(), since it allows you more fine-grained control over the situation when the user enters invalid input.
Convert.ToInt32() takes an object as its argument. (See Chris S's answer for how it works)
Conv...
How to copy a collection from one database to another in MongoDB
...so some documents may incur type changes. mongodump/mongorestore are generally the better approach.
– Stennie
Jul 19 '12 at 6:17
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Check if Python Package is installed
What's a good way to check if a package is installed while within a Python script? I know it's easy from the interpreter, but I need to do it within a script.
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