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How to JSON serialize sets?
...y to recover regular lists; if you convert sets to a dictionary using dict.fromkeys(s) then you lose the ability to recover dictionaries).
A more sophisticated solution is to build-out a custom type that can coexist with other native JSON types. This lets you store nested structures that include l...
Do I really have a car in my garage? [duplicate]
...e a base class stands fine on it's own, but you might also want to inherit from it. Continuing with the Vehicle example, you may have a Boat in your garage that has all the information you need to operate your boat. But your neighbor may have a SkiBoat, which might also have a method for the lengt...
One-liner to check whether an iterator yields at least one element?
...oblem with this solution is that you can't actually use the returned value from the iterator if it's not empty, right?
– Ken Williams
Jan 3 '17 at 3:55
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Attempt to present UIViewController on UIViewController whose view is not in the window hierarchy
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Where are you calling this method from? I had an issue where I was attempting to present a modal view controller within the viewDidLoad method. The solution for me was to move this call to the viewDidAppear: method.
My presumption is that the view controller...
SSH Key - Still asking for password and passphrase
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See this github doc to convert remote's URL from https to ssh. To check if remote's URL is ssh or https, use git remote -v. To switch from https to ssh: git remote set-url origin git@github.com:USERNAME/REPOSITORY.git
– Manavalan Gajapathy
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Nullable type as a generic parameter possible?
... original code – remove the where constraint, and change the last return from return null to return default(T). This way you can return whatever type you want.
By the way, you can avoid the use of is by changing your if statement to if (columnValue != DBNull.Value).
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Sorting arraylist in alphabetical order (case insensitive)
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@seethalakshmi that's the strings from your list. Please take a look at the sources of Collections.sort method if you want to get more details on that
– denis.solonenko
Apr 28 '11 at 8:02
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CSRF Token necessary when using Stateless(= Sessionless) Authentication?
...al link, and no javascript content-replace)
You can still access the token from sessionStorage
To logout, you can either manually delete the token from sessionStorage or wait for the user to close the browser window, which will clear all stored data.
(for both have a look here: http://www.w3schoo...
Java logical operator short-circuiting
...r example:
// 2 == 2 will never get evaluated because it is already clear from evaluating
// 1 != 1 that the result will be false.
(1 != 1) && (2 == 2)
// 2 != 2 will never get evaluated because it is already clear from evaluating
// 1 == 1 that the result will be true.
(1 == 1) || (2 != 2...
Options for embedding Chromium instead of IE WebBrowser control with WPF/C#
...me on looking into a smaller issue, and get your fix included. We see that from time to time with CefSharp and it's pretty neat.
– Per Lundberg
Oct 30 '13 at 20:28
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