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Delete duplicate rows from small table

...al location of the row. You can use this as a unique id even if your table does not possess a unique id. postgresql.org/docs/8.2/ddl-system-columns.html – Eric Burel Dec 4 '19 at 20:39 ...
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redirect COPY of stdout to log file from within bash script itself

... @Barry: POSIX specifies that tee should not buffer its output. If it does buffer on most systems, it's broken on most systems. That's a problem of the tee implementations, not of my solution. – DevSolar Feb 16 '12 at 8:21 ...
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How do I find out if first character of a string is a number?

...d substring(0, 1) will throw a StringIndexOutOfBoundsException. startsWith does not have this problem. To make the entire condition one line and avoid length checks, you can alter the regexes to the following: s.matches("\\d.*") // or the equivalent s.matches("[0-9].*") If the condition does not...
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Check if a variable is a string in JavaScript

...hat it 'fails' for object-wrapped strings like new String('foo'), but that doesn't matter because object-wrapped strings are a worthless feature that you shouldn't be using. The Google style guide forbids them, Douglas Crockford wants them deprecated, and no libraries use them. Pretend they don't ex...
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How to use ArgumentCaptor for stubbing?

...sed to doSomething. But when is true returned in the second code block? Or does someObject always return true for someMethod in that case? – Can't Tell Sep 6 '12 at 9:02 ...
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What is the difference between a JavaBean and a POJO?

... (plain-old-Java-object) isn't rigorously defined. It's a Java object that doesn't have a requirement to implement a particular interface or derive from a particular base class, or make use of particular annotations in order to be compatible with a given framework, and can be any arbitrary (often re...
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Timeout a command in bash without unnecessary delay

...cess by SIGKILL. Default value: $DEFAULT_DELAY seconds. As of today, Bash does not support floating point arithmetic (sleep does), therefore all delay/time values must be integers. EOF } # Options. while getopts ":t:i:d:" option; do case "$option" in t) timeout=$OPTARG ;; i) in...
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SAML vs federated login with OAuth

...do SSO with OAuth (by requesting access to an API that provides identity). Does that mean OAuth can do everyhting SAML can and more? – Dirk Feb 5 '15 at 9:10 ...
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How can I check for NaN values?

...ad NumPy just for a NaN check (but if you're writing the kind of code that does NaN checks, it's likely you should be using NumPy). – user2357112 supports Monica Feb 21 '19 at 0:51 ...
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How to compare two revisions in Bitbucket?

... Does not work in version 4.14. Gives a Dead Link error when you add anything after compare/ including the above. – Juha Untinen Aug 6 '18 at 10:22 ...