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“new” keyword in Scala
...fferent things
> println(new Foo)
test@5c79cc94
> println(Foo())
7
And, since you mentioned Java classes: yes -- Java classes rarely have
companion objects with an apply method, so you must use new and the actual
class's constructor.
...
Display JSON as HTML [closed]
...t as suggested by @A. Levy to colour code it.
It is worth adding that IE7 and older browsers do not support the JSON.stringify method.
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How can I add numbers in a Bash script?
I have this Bash script and I had a problem in line 16.
How can I take the previous result of line 15 and add
it to the variable in line 16?
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Git rebase merge conflict cannot continue
...f so just skip it. If that isn't the case please post a copy of git status and I can try to help further.
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(Deep) copying an array using jQuery [duplicate]
...an a value.
Likewise delete(b[0][0]) also causes a[0][0] to be deleted and b[0][0]=99 also changes the value of a[0][0] to 99.
jQuery's extend method does perform a deep copy when a true value is passed as the initial argument:
var a =[[1], [2], [3]];
var b = $.extend(true, [], a);
b.shift()....
Scripting TFS Command Line for Get Latest Version, Check Out and Check in, programmatically
I use WinXP, VS 2008 and Team Explorer to connect to Team Foundation Server.
4 Answers
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JavaScript isset() equivalent
...l also evaluate to false if array.foo does exists but is false or 0 (and probably other values as well).
24 Answers
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What is the meaning of “… …” token? i.e. double ellipsis operator on parameter pack
...mma is purely optional; §8.3.5/4 does say
Where syntactically correct and where “...” is not part of an abstract-declarator, “, ...” is synonymous with “...”.
This is within an abstract-declarator, [edit] but Johannes makes a good point that they are referring to an abstract-decla...
A migration to add unique constraint to a combination of columns
...mns. i.e. for a people table, a combination of first_name , last_Name and Dob should be unique.
6 Answers
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Is explicitly closing files important?
... Python aren't guaranteed to work this way. For example IronPython, PyPy, and Jython don't use reference counting and therefore won't close the file at the end of the loop.
It's bad practice to rely on CPython's garbage collection implementation because it makes your code less portable. You might...