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How to show the “Are you sure you want to navigate away from this page?” when changes committed?
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Update (2017)
Modern browsers now consider displaying a custom message to be a security hazard and it has therefore been removed from all of them. Browsers now only display generic messages. Since we no longer have to worry about setting the message, it i...
How to convert a unix timestamp (seconds since epoch) to Ruby DateTime?
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Seemed plausible, and I upvoted already (cannot rescind now), but upon further checking your claim regarding UTC is untrue. The resulting DateTime/Time object will be in UTC vs local, yes, but the original timestamp is interpreted as being in UTC in both cases! So the moment in ...
What algorithm gives suggestions in a spell checker?
...n distance is not exactly the right edit distance for a spell checker. It knows only insertion, deletion and substitution. Transposition is missing and produces 2 for a transposition of 1 character (it's 1 delete and 1 insertion). Damerau–Levenshtein distance is the right edit distance.
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Java code To convert byte to Hexadecimal
...omponent of that array.. The confusion arised because of the word "array". Now in the below code " byte bv = 10; String hexString = Integer.toHexString(bv); " CAse 1 (Byte Recieved : 68 Hex Output : : 44) Case : 2 (Byte Recieved : -46 Hex Output : : ffffffd2)......... ...
arrow operator (->) in function heading
...ifier ( argument-declarations... ) -> return_type
They are equivalent. Now when they are equivalent, why do you ever want to use the latter? Well, C++11 introduced this cool decltype thing that lets you describe type of an expression. So you might want to derive the return type from the argument...
Java string to date conversion
...UR_OF_DAY));
Then you can manipulate that with something like:
Calendar now = Calendar.getInstance();
mydate.set(Calendar.YEAR,2009);
mydate.set(Calendar.MONTH,Calendar.FEBRUARY);
mydate.set(Calendar.DAY_OF_MONTH,25);
mydate.set(Calendar.HOUR_OF_DAY,now.get(Calendar.HOUR_OF_DAY));
mydate.set(Cale...
How to save CSS changes of Styles panel of Chrome Developer Tools?
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You can save your CSS changes from Chrome Dev Tools itself. Chrome now allows you to add local folders to your Workspace. After allowing Chrome access to the folder and adding the folder to the local workspace, you can map a web resource to a local resource.
Navigate to the Sources panel o...
What does Expression.Quote() do that Expression.Constant() can’t already do?
... is a factory for adders that are bound to the outer lambda's parameter.
Now, suppose we wish to represent this as an expression tree that will later be compiled and executed. What should the body of the expression tree be? It depends on whether you want the compiled state to return a delegate or ...
How do you rename a MongoDB database?
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This is great! I already had a mongodump created. Didnt know you can restore it with a different name. Thanks!
– Dushyant Bangal
Mar 31 '17 at 13:29
5
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Install gitk on Mac
Does anyone know how to install gitk on Mac?
13 Answers
13
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