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Site does not exist error for a2ensite
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You probably updated your Ubuntu installation and one of the updates included the upgrade of Apache to version 2.4.x
In Apache 2.4.x the vhost configuration files, located in the /etc/apache2/sites-available directory, must have the .conf extension.
Using term...
How to give border to any element using css without adding border-width to the whole width of elemen
... Noted: outline doesn't define sides, so this works only if all sides are styled.
– Screenack
Mar 25 '13 at 1:02
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Which is more preferable to use: lambda functions or nested functions ('def')?
...nction objects, but list comprehensions and generator expressions are generally more readable than those functions and can cover all use cases, without the need of lambdas.
For the cases you really need a small function object, you should use the operator module functions, like operator.add instea...
How do you get the “object reference” of an object in java when toString() and hashCode() have been
...ith it (what you want to do makes a difference with what you will need to call).
hashCode, as defined in the JavaDocs, says:
As much as is reasonably practical, the hashCode method defined by class Object does return distinct integers for distinct objects. (This is typically implemented by con...
What is the yield keyword used for in C#?
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The yield keyword actually does quite a lot here.
The function returns an object that implements the IEnumerable<object> interface. If a calling function starts foreaching over this object, the function is called again until it "yields". Th...
How to keep up with the latest versions of Node.js in Ubuntu? PPA? Compiling?
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You could also use tools like for example nvm which can help you install node and even have multiple versions.
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Is there an onSelect event or equivalent for HTML ?
...heir editor view fails to load jQuery used in the example for readability. All above just tested with mouse interaction; to get this keyboard friendly this hack likely needs additional work, as at least old IEs happily trigger the change event before you've had a chance to get to choice "C".
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Root user/sudo equivalent in Cygwin?
... The problem with this is that it creates a whole new terminal window (usually conhost). The output isn't inlined into the current terminal.
– CMCDragonkai
Apr 24 '16 at 7:19
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Remove the last line from a file in Bash
...e, while $ means "the last line in the file". When specifying a location (called "range" in sed lingo) before a command, that command is only applied to the specified location. So, this command explicitly says "in the range of the last line in a file, delete it". Quite slick and straight to the poin...
Google Gson - deserialize list object? (generic type)
...mcArray = gson.fromJson(jsonString, MyClass[].class);
This way you avoid all the hassle with the Type object, and if you really need a list you can always convert the array to a list by:
List<MyClass> mcList = Arrays.asList(mcArray);
IMHO this is much more readable.
And to make it be an ...