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Spring @PostConstruct vs. init-method attribute
...nit-method in xml was preferred way , as it decouples java classes (beans) from any spring specific classes/annotations.So if you are building a library that does not need to be dependent on spring infrastructure beans then use of init-method was preferred.During creation method u can specify the me...
What does (x ^ 0x1) != 0 mean?
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@supercat: When a conversion from floating-point to integer is called for, the conversion is implicit (doesn't require cast syntax). But no conversion is triggered by bitwise operators, they simply fail for floating-point types.
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What is the preferred/idiomatic way to insert into a map?
...a value. Obviously, this can be inefficient if the mapped_type can benefit from being directly initialized instead of default constructed and assigned. This method also makes it impossible to determine if an insertion has indeed taken place or if you have only overwritten the value for an previously...
How do I calculate square root in Python?
... If you want your Python 2.x code to behave like 3.x w.r.t. division write from __future__ import division - then 1/2 will evaluate to 0.5 and for backwards compatibility, 1//2 will evaluate to 0.
And for the record, the preferred way to calculate a square root is this:
import math
math.sqrt(x)
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How to create a sub array from another array in Java?
How to create a sub-array from another array? Is there a method that takes the indexes from the first array such as:
9 Answ...
Minimum and maximum date
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From the spec, §15.9.1.1:
A Date object contains a Number indicating a particular instant in time to within a millisecond. Such a Number is called a time value. A time value may also be NaN, indicating that the Date object ...
What is the Git equivalent for revision number?
... the revision number. I also had trouble with this when I made the switch from SVN to git.
You can use "tagging" in git to tag a certain revision as the "release" for a specific version, making it easy to refer to that revision. Check out this blog post.
The key thing to understand is that git c...
Remove header and footer from window.print()
I am using window.print() for printing page, but I got header and footer contains page title, file path, page number and date. How to remove them?
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How to generate a git patch for a specific commit?
...d be included in the patch;
-<n>
Prepare patches from the topmost commits.
Apply the patch with the command:
git am < file.patch
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Can you determine if Chrome is in incognito mode via a script?
... updated with this, or the accepted answer should change. Not to take away from the originally accepted answer as it was the correct solution at the time.
– Cruncher
Aug 12 '19 at 15:13
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