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final keyword in method parameters [duplicate]
...er, if the parameter is not final, although one can reassign the parameter from the passed in argument to anything else, the caller of the function never loses its reference, and continues to point to the same object.
– Armand
Feb 20 '14 at 18:19
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Why is the shovel operator (
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First way you do it by taking a new glass, filling it halfway with water from a tap and then using this second half-full glass to refill your drinking glass. You do this every time you need to refill your glass.
The second way you take your half full glass and just refill it with water straight f...
What is the proper way to format a multi-line dict in Python?
...Otherwise you will need extra blank line to split the comment and its code from others.
some_normal_code()
# hi this function is blah blah
some_code_need_extra_explanation()
some_normal_code()
share
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How to bring back “Browser mode” in IE11?
...e version of IE11 does in fact provide the ability to switch browser modes from the Emulation tab in the dev tools:
Having said that, the advice I've given here (and elsewhere) to avoid using compatibility modes for testing is still valid: If you want to test your site for compatibility with olde...
How can I combine two HashMap objects containing the same types?
... don't have duplicate keys, or you want values in map2 to overwrite values from map1 for duplicate keys, you can just write
map3 = new HashMap<>(map1);
map3.putAll(map2);
If you need more control over how values are combined, you can use Map.merge, added in Java 8, which uses a user-provide...
Java SimpleDateFormat(“yyyy-MM-dd'T'HH:mm:ss'Z'”) gives timezone as IST
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From ISO 8601 String to Java Date Object
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss'Z'");
sdf.setTimeZone(TimeZone.getTimeZone("GMT"));
sdf.parse("2013-09-29T18:46:19Z"); //prints-> Mon Sep 30 02:...
Good way to use table alias in Update statement?
I'm using SQL Server, and trying to update rows from within the same table. I want to use a table alias for readability.
2 ...
What represents a double in sql server?
... type is equivalent to the 64-bit double type in .NET. (My original answer from 2011 said there could be a slight difference in mantissa, but I've tested this in 2020 and they appear to be 100% compatible in their binary representation of both very small and very large numbers -- see https://dotnetf...
avoid page break inside row of table
...ide: avoid !important;
margin: 4px 0 4px 0; /* to keep the page break from cutting too close to the text in the div */
}
</style>
Even though Chrome supposedly does not recognize the 'page-break-inside: avoid;' property, this seems to keep the row content from being split in half by a...
C/C++ macro string concatenation
...ine PPCAT_NX(A, B) A ## B
PPCAT_NX("s", "1")
produces this error message from the preprocessing phase of gcc: error: pasting ""s"" and ""1"" does not give a valid preprocessing token
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However, for general token pasting, try this:
/*
* Concatenate preprocessor tokens A and B without expanding...