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Is there a cross-browser onload event when clicking the back button?
For all major browsers (except IE), the JavaScript onload event doesn’t fire when the page loads as a result of a back button operation — it only fires when the page is first loaded.
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Calculate age given the birth date in the format YYYYMMDD
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@RobG I don't think a full year technically has passed from 2000-02-29 to 2001-02-28, making your answer invalid. It wouldn't make sense, 2000-02-28 to 2001-02-28 is a year, so 2000-02-29 to 2001-02-28, must be less than a year.
– André Sne...
What is the Haskell response to Node.js?
...mmunication with a single client, rather that writing code that deals with all the clients at the same time. Think of it like this: a server that handles multiple clients with threads looks almost the same as one that handles a single client; the main difference is there's a fork somewhere in the f...
JavaScript post request like a form submit
...y: post('/contact/', {name: 'Johnny Bravo', csrfmiddlewaretoken: $("#csrf_token").val()});
– Davidson Lima
Nov 22 '17 at 16:09
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JavaScript closure inside loops – simple practical example
...pport let but get the above wrong (they don't create a new i each time, so all the functions above would log 3 like they would if we used var). Edge 14 finally gets it right.
ES5.1 solution: forEach
With the relatively widespread availability of the Array.prototype.forEach function (in 2015), it's ...
Can an interface extend multiple interfaces in Java?
...in of the diamond problem?) __Tried it and the sensible thing happens: not allowed if the return type is different.
– Daniel
Jan 6 '15 at 17:38
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Is key-value observation (KVO) available in Swift?
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Both yes and no:
Yes, you can use the same old KVO APIs in Swift to observe Objective-C objects.
You can also observe dynamic properties of Swift objects inheriting from NSObject.
But... No it's not strongly typed as you could expect Swift native observation system to be.
Usi...
What is Data Transfer Object?
...attern.
Another use for DTOs can be to encapsulate parameters for method calls. This can be useful if a method takes more than 4 or 5 parameters.
When using the DTO pattern, you would also make use of DTO assemblers. The assemblers are used to create DTOs from Domain Objects, and vice versa.
The ...
Best way of invoking getter by reflection
...ever, there are a lot of libraries that extend and simplify the java.beans API. Commons BeanUtils is a well known example. There, you'd simply do:
Object value = PropertyUtils.getProperty(person, "name");
BeanUtils comes with other handy stuff. i.e. on-the-fly value conversion (object to string, ...
Why do we need the “finally” clause in Python?
I am not sure why we need finally in try...except...finally statements. In my opinion, this code block
14 Answers
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