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“Instantiating” a List in Java? [duplicate]
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List is an interface, not a concrete class.
An interface is just a set of functions that a class can implement; it doesn't make any sense to instantiate an interface.
ArrayList is a concrete class that happens to implement this interface and all of the methods in it.
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bundle install returns “Could not locate Gemfile”
...ying a Gemfile into a docker container, I couldnt find a .bundle and I had set my WOKRDIR but it didnt seem to catch it for bundle install, this did the trick!
– ConstantineK
Mar 22 '16 at 3:15
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How does one create an InputStream from a String? [duplicate]
...to Aaron Waibel's comment):
InputStream is = new ByteArrayInputStream(Charset.forName("UTF-16").encode(myString).array());
Please see ByteArrayInputStream manual.
It is safe to use a charset argument in String#getBytes(charset) method above.
After JDK 7+ you can use
java.nio.charset.StandardC...
jQuery if checkbox is checked
...) method gets the property value for only the first element in the matched set." see api.jquery.com/prop
– Adrien Be
May 19 '14 at 12:11
add a comment
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Pass array to ajax request in $.ajax() [duplicate]
... jQuery.serialize(). There is .serialize() but it's meant to be used on a set of form elements. Try this code and you will only get TypeError: $.serialize is not a function
– billynoah
Aug 5 '17 at 0:52
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Design by contract using assertions or exceptions? [closed]
When programming by contract a function or method first checks whether its preconditions are fulfilled, before starting to work on its responsibilities, right? The two most prominent ways to do these checks are by assert and by exception .
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Secure Web Services: REST over HTTPS vs SOAP + WS-Security. Which is better? [closed]
I'm not a security expert by any means, but I favor creating REST-style web services.
11 Answers
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var functionName = function() {} vs function functionName() {}
...y initializer. (For details on when this happens and the rules, search for SetFunctionName in the the specification — it appears all over the place.)
Named function Expression
The third form is a named function expression ("NFE"):
var z = function w() {
console.log('zw')
};
The function ...
“Large data” work flows using pandas
... pandas. I use SAS for my day-to-day work and it is great for it's out-of-core support. However, SAS is horrible as a piece of software for numerous other reasons.
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App Inventor 2 UrsPahoMqttClient 拓展 - 物联网轻量...