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Why is good UI design so hard for some Developers? [closed]

...way to explore design options and find the right design, whereas usability testing is about getting the design right. Paper prototyping is fast, cheap, and effective during the early design stages. Much faster than coding a digital prototype. The key text here is Sketching User Experience: Getting t...
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Best way to alphanumeric check in JavaScript

... /^[a-z0-9]+$/i.test( TCode ) – Alex V Oct 14 '13 at 18:12 3 ...
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How can a Java variable be different from itself?

...15.21.1. Numerical Equality Operators == and !=: Floating-point equality testing is performed in accordance with the rules of the IEEE 754 standard: If either operand is NaN, then the result of == is false but the result of != is true. Indeed, the test x!=x is true if and only if the value of x is...
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How do I use shell variables in an awk script?

... support them (including Bash): awk '{print $0}' <<< "$variable" test This is the same as: printf '%s' "$variable" | awk '{print $0}' P.S. this treats the variable as a file input. ENVIRON input As TrueY writes, you can use the ENVIRON to print Environment Variables. Setting a var...
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Why does DEBUG=False setting make my django Static Files Access fail?

... Doesn't make sense to me. I would like to test it locally somehow with Debug=False – Philipp S. Jun 23 at 13:55 ...
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How to check if a string contains only digits in Java [duplicate]

...Sequences Edit: due to some confusion in other answers, I am writing a test case and will explain some more things in detail. Firstly, if you are in doubt about the correctness of this solution (or others), please run this test case: String regex = "\\d+"; // positive test cases, should all b...
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Why does make think the target is up to date?

... Maybe you have a file/directory named test in the directory. If this directory exists, and has no dependencies that are more recent, then this target is not rebuild. To force rebuild on these kind of not-file-related targets, you should make them phony as follow...
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How to use string.replace() in python 3.x

...e str.replace() as a chain of str.replace(). Think you have a string like 'Testing PRI/Sec (#434242332;PP:432:133423846,335)' and you want to replace all the '#',':',';','/' sign with '-'. You can replace it either this way(normal way), >>> str = 'Testing PRI/Sec (#434242332;PP:432:1334238...
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How to configure encoding in Maven?

...-plugin (http://maven.apache.org/plugins/maven-failsafe-plugin/integration-test-mojo.html) I found, that the <encoding> configuration - of course - uses ${project.reporting.outputEncoding} by default. So I added the property as a child element of the project element and everything is fine now:...
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How do I add custom field to Python log format string?

....basicConfig(format="%(foo)s - %(message)s") >>> logging.warning('test', extra={'foo': 'bar'}) bar - test Also, as a note, if you try to log a message without passing the dict, then it will fail. >>> logging.warning('test') Traceback (most recent call last): File "/usr/lib/py...