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Detect browser or tab closing
...ourse this will still work, they just removed a custom String return value from onbeforeunload. So now you're no longer be able to display a custom message before unloading.
– jAndy
Jun 16 '17 at 15:37
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IIS 500.19 with 0x80070005 The requested page cannot be accessed because the related configuration d
...d is the same folder as your IIS website physical path. Choose properties from the context menu and click on the Security tab. Edit users, and then Add a user. Click the Locations button and choose the top icon (looks like My Computer). In the text area, enter IIS_IUSRS. Press OKs repeatedly un...
In Python, how do I iterate over a dictionary in sorted key order?
...diu said, iteritems does not work for Python 3.x, but items() is available from Python 2.6.
– Remi
Oct 1 '11 at 17:30
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What does the “Just” syntax mean in Haskell?
...meter, which means that when used as a constructor it acts like a function from type a to Maybe a, i.e. it has the type a -> Maybe a
So, the constructors of a type build a value of that type; the other side of things is when you would like to use that value, and that is where pattern matching co...
What is the default access specifier in Java?
...h you can't use this explicitly), which means the field will be accessible from inside the same package to which the class belongs.
As mdma pointed out, it isn't true for interface members though, for which the default is "public".
See Java's Access Specifiers
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How persistent is localStorage?
... up to the user. In the case of Mozilla, most of those rules are inherited from the Cookie-related expiration rules. Because of this you can probably expect most of your DOM Storage data to last at least for a meaningful amount of time.
http://ejohn.org/blog/dom-storage/
Chrome implements it like c...
Better way to check variable for null or empty string?
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Beware false negatives from the trim() function — it performs a cast-to-string before trimming, and thus will return e.g. "Array" if you pass it an empty array. That may not be an issue, depending on how you process your data, but with the code ...
Why does intellisense and code suggestion stop working when Visual Studio is open?
...g in a project, editing code and whatnot (after a period of time, anywhere from 5 minutes to over an hour) and all of a sudden, no more code suggestions or intellisense. Both seem to stop working completely at the same time.
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What are the default access modifiers in C#?
...protected, internal, private, protected internal
² structs cannot inherit from structs or classes (although they can, interfaces), hence protected is not a valid modifier
The accessibility of a nested type depends on its accessibility domain, which is determined by both the declared accessibility ...
If threads share the same PID, how can they be identified?
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The four threads will have the same PID but only when viewed from above. What you (as a user) call a PID is not what the kernel (looking from below) calls a PID.
In the kernel, each thread has it's own ID, called a PID (although it would possibly make more sense to call this a TID, or...