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When should I use RequestFactory vs GWT-RPC?
...gure out if I should migrate my gwt-rpc calls to the new GWT2.1 RequestFactory cals.
8 Answers
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Regular expression to stop at first match
...acters as possible:
/location="(.*?)"/
Adding a ? on a quantifier (?, * or +) makes it non-greedy.
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Convert a JSON string to object in Java ME?
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I used a few of them and my favorite is,
http://code.google.com/p/json-simple/
The library is very small so it's perfect for J2ME.
You can parse JSON into Java object in one line like this,
JSONObject json = (JSONObject)new JSONParser().parse("{\"name...
What's the difference between emulation and simulation? [duplicate]
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(Using as an example your first link)
You want to duplicate the behavior of an old HP calculator, there are two options:
You write new program that draws the calculator's display and keys, and when the user clicks on the keys, your programs does what the old calculator did. This is a Simulato...
List Git aliases
.../\ =\ /"
This will create a permanent git alias named alias which gets stored in your ~/.gitconfig file. Using it will list all of your git aliases, in nearly the same format as they are in the ~/.gitconfig file. To use it, type:
$ git alias
loga = log --graph --decorate --name-status --all
alias...
How does facebook, gmail send the real time notification?
...onds), to check if something has happened. However, this can be pretty network intensive, and you often make pointless requests, because nothing has happened.
The way Facebook does it is using the comet approach, rather than polling on an interval, as soon as one poll completes, it issues another o...
Best practices for API versioning? [closed]
Are there any known how-tos or best practices for web service REST API versioning?
7 Answers
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How can I clear event subscriptions in C#?
...vents basically expose "subscribe" and "unsubscribe" and that's it.
It's worth being aware of what field-like events are actually doing - they're creating a variable and an event at the same time. Within the class, you end up referencing the variable. From outside, you reference the event.
See my ...
Pipe subprocess standard output to a variable [duplicate]
I want to run a command in pythong , using the subprocess module, and store the output in a variable. However, I do not want the command's output to be printed to the terminal.
For this code:
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Print JSON parsed object?
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Most debugger consoles support displaying objects directly. Just use
console.log(obj);
Depending on your debugger this most likely will display the object in the console as a collapsed tree. You can open the tree and inspect the object.
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