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What is “String args[]”? parameter in main method Java
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The following answer is based my understanding & some test.
What is String[] args?
Ans- >
String[] -> As We know this is a simple String array.
args -> is the name of an array it can be anything (e.g. a, ar, argument, param, parameter) no issues with compiler &a...
Does Go have “if x in” construct similar to Python?
...eds at
most 20 comparisons, even in the worst case.
files := []string{"Test.conf", "util.go", "Makefile", "misc.go", "main.go"}
target := "Makefile"
sort.Strings(files)
i := sort.Search(len(files),
func(i int) bool { return files[i] >= target })
if i < len(files) && files[i] ==...
ITunes review URL and iOS 7 (ask user to rate our app) AppStore show a blank page
... It correctly works on both iPhone and iPad in iOS 8.3. Just tested :) Thank you!
– alones
May 11 '15 at 7:57
2
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When creating HTML emails, should we use html, head, body tags?
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-1 The right way is to test it in the relevant clients. While mail clients should follow the standards, virtually none of them do.
– Dan Blows
Jan 6 '12 at 17:50
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Margin while printing html page
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This works now in Chrome 18 and IE9 (didn't test earlier versions). Still not working in Firefox 12, but you could do a server-side detection and add a body class <body class="firefox"> so in your css you can do body.firefox {margin: 0mm; padding: 0.25in;}, that...
Compiler Ambiguous invocation error - anonymous method and method group with Func or Action
...error messages are different. Here's the one for IntMethod(GetString):
Test.cs(12,9): error CS1502: The best
overloaded method match for
'Program.IntMethod(int)' has some
invalid arguments
In other words, section 7.4.3.1 of the spec can't find any applicable function members.
No...
Link and execute external JavaScript file hosted on GitHub
...the linked reference of a local JavaScript file to a GitHub raw version my test file stops working. The error is:
15 Answe...
Peak-finding algorithm for Python/SciPy
...e and above all prominence to get a good peak extraction.
According to my tests and the documentation, the concept of prominence is "the useful concept" to keep the good peaks, and discard the noisy peaks.
What is (topographic) prominence? It is "the minimum height necessary to descend to get from...
explicit casting from super class to subclass
...t ClassCastException.
So if you are downcasting you should use instanceof test to avoid screwing up.
if (animal instanceof Dog) {
Dog dog = (Dog) animal;
}
Now a question comes to our mind. Why the hell compiler is allowing the downcast when eventually it is going to throw a java.lang.ClassCa...
how to exclude null values in array_agg like in string_agg using postgres?
...t(array_in) a
WHERE
a IS NOT NULL
;
'
LANGUAGE sql
;
Doing a pgbench test proved (with high confidence) that array_remove() is a little more than twice as fast. I did my test on double precision numbers with a variety of array sizes (10, 100 and 1000 elements) and random NULLs in between.
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