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When should I use RequestFactory vs GWT-RPC?
...while RequestFactory is "RPC-by-interface".
RPC is more convenient to get started with, because you write fewer lines of code and use the same class on both the client and the server. You might create a Person class with a bunch of getters and setters and maybe some simple business logic for furth...
Programmatically trigger “select file” dialog box
..., but only if you do it in an event handler belonging to an event THAT WAS STARTED BY THE USER!
So, for example, nothing will happen if you, the script, programmatically click the button in an ajax callback, but if you put the same line of code in an event handler that was raised by the user, it wi...
One-liner to take some properties from object in ES 6
...k to solving this as a one-liner is to flip the approach taken: Instead of starting from original object orig, one can start from the keys they want to extract.
Using Array#reduce one can then store each needed key on the empty object which is passed in as the initialValue for said function.
Like so...
Deadly CORS when http://localhost is the origin
...se a domain like lvh.me (which points at 127.0.0.1 just like localhost) or start chrome with the --disable-web-security flag (assuming you're just testing).
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How to replace a set of tokens in a Java String?
...ements.get(matcher.group(1));
builder.append(text.substring(i, matcher.start()));
if (replacement == null)
builder.append(matcher.group(0));
else
builder.append(replacement);
i = matcher.end();
}
builder.append(text.substring(i, text.length()));
return builder.toStrin...
Binding multiple events to a listener (without JQuery)?
While working with browser events, I've started incorporating Safari's touchEvents for mobile devices. I find that addEventListener s are stacking up with conditionals. This project can't use JQuery.
...
Config Error: This configuration section cannot be used at this path
...on't remember where I found it on the web, but here is what I did:
Click "Start button"
in the search box, enter "Turn windows features on or off"
in the features window, Click: "Internet Information Services"
Click: "World Wide Web Services"
Click: "Application Development Features"
Check (enable)...
Get data from fs.readFile
...ut using sync versions of methods for one-shot calls before the server has started taking requests. Anyone using Node should really understand why before using it. Definitely before rant-blogging about it.
– Erik Reppen
Mar 2 '15 at 22:42
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How do I erase an element from std::vector by index?
...erase (iterator first, iterator last);
Since std::vec.begin() marks the start of container and if we want to delete the ith element in our vector, we can use:
vec.erase(vec.begin() + index);
If you look closely, vec.begin() is just a pointer to the starting position of our vector and adding th...
Return index of greatest value in an array
...dIndex : bestIndexSoFar, 0);, which can be described as: iterate the array starting from index 0 (2nd parameter), if currentlyTestedValue is higher than the value of the element at the bestIndexSoFar, then return the currentlyTestedIndex to the next iteration as the bestIndexSoFar.
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