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Why can't I use float value as a template parameter?
... C++ standard does not allow float (i.e. real number) or character string literals to be used as template non-type parameters. You can of course use the float and char * types as normal arguments.
Perhaps the author is using a compiler that doesn't follow the current standard?
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How do I automatically scroll to the bottom of a multiline text box?
I have a textbox with the .Multiline property set to true. At regular intervals, I am adding new lines of text to it. I would like the textbox to automatically scroll to the bottom-most entry (the newest one) whenever a new line is added. How do I accomplish this?
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ssh “permissions are too open” error
I had a problem with my mac where I couldn't save any kind of file on the disk anymore.
I had to reboot OSX lion and reset the permissions on files and acls.
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Advanced JavaScript: Why is this function wrapped in parentheses? [duplicate]
I came across this bit of JavaScript code, but I have no idea what to make out of it. Why do I get "1" when I run this code? What is this strange little appendix of (1) and why is the function wrapped in parentheses?
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How do I create a namespace package in Python?
...you want to release related libraries as separate downloads. For example, with the directories Package-1 and Package-2 in PYTHONPATH ,
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Cross-browser window resize event - JavaScript / jQuery
...ethod for tapping into the window resize event that works in Firefox, WebKit , and Internet Explorer?
11 Answers
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Define: What is a HashSet?
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A HashSet holds a set of objects, but in a way that it allows you to easily and quickly determine whether an object is already in the set or not. It does so by internally managing an array and storing the object using an index which is calculated from the hashcode of the objec...
When to favor ng-if vs. ng-show/ng-hide?
...attach the handler.
ng-show/ng-hide does not remove the elements from DOM. It uses CSS styles to hide/show elements (note: you might need to add your own classes). This way your handlers that were attached to children will not be lost.
ng-if creates a child scope while ng-show/ng-hide does not
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How to check for an active Internet connection on iOS or macOS?
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Important: This check should always be performed asynchronously. The majority of answers below are synchronous so be careful otherwise you'll freeze up your app.
Swift
1) Install via CocoaPods or Carthage: https://github.com/ashleymills/Reachability.swift
2) Test reachability via closures
let...
Listing and deleting Git commits that are under no branch (dangling?)
I've got a Git repository with plenty of commits that are under no particular branch, I can git show them, but when I try to list branches that contain them, it reports back nothing.
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