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Explain the encapsulated anonymous function syntax
...to observe, because most ways of attempting to get the returned value will convert the function declaration to a function expression. However, eval shows it:
var r = eval("function f(){}");
console.log(r); // undefined
Calling an empty completion record makes no sense. That's why functi...
POST JSON to API using Rails and HTTParty
.../json', 'Accept' => 'application/json'}. Note: the header should not be converted to JSON, it is expected to be an hash
– Devaroop
Sep 28 '13 at 6:45
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What is The difference between ListBox and ListView
...ew, but you can easily create your own.
Another difference is the default selection mode: it's Single for a ListBox, but Extended for a ListView
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How to store date/time and timestamps in UTC time zone with JPA and Hibernate
...C timezone (so that Hibernate will store dates in UTC), and you'll need to convert to whatever timezone desired when you display stuff (at least we do it this way).
At startup, we do:
TimeZone.setDefault(TimeZone.getTimeZone("Etc/UTC"));
And set the desired timezone to the DateFormat:
fmt.setTi...
Debugging iframes with Chrome developer tools
...ools in Chrome, there is a bar along the top, called the Execution Context Selector (h/t felipe-sabino), just under the Elements, Network, Sources... tabs, that changes depending on the context of the current tab. When in the Console tab there is a dropdown in that bar that allows you to select the...
Execute SQLite script
...return to my shell script, I think this works well:
$ sqlite3 example.db 'SELECT * FROM some_table;'
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How to check that an element is in a std::set?
... IMO using count() is better because it is simply shorter and it converts to bool as noted in the answer by Pieter. I don't understand why this answer got accepted and so many points...
– Огњен Шобајић
Mar 27 '15 at 6:08
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java: HashMap not working
...foo", new Integer(3));
Auto-boxing means the first version is implicitly converted to the second. Auto-unboxing means you can write:
int i = myMap.get("foo");
instead of:
int i = myMap.get("foo").intValue();
The implicit call to intValue() means if the key isn't found it will generate a Null...
PHP Difference between array() and []
...standard class and $obj = (object) ['foo'=>'bar', 'baz'=>'biz']; to convert an array (using explicit type casting) to an object (stdClass) but regarding the {}, it could be implemented in future but not sure tho :-)
– The Alpha
Jan 27 '16 at 17:39
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How to escape special characters in building a JSON string?
...ncoding library to use. If you simply use language or library functions to convert things to and from JSON, you'll never even need to know JSON's escaping rules. This is what the misguided question asker here ought to have done.
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