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Logging levels - Logback - rule-of-thumb to assign log levels

...y requires human intervention. The "2AM rule" applies here- if you're on call, do you want to be woken up at 2AM if this condition happens? If yes, then log it as "error". warn: an unexpected technical or business event happened, customers may be affected, but probably no immediate human intervent...
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What is the difference between single-quoted and double-quoted strings in PHP?

...uotes in this syntax. Nowdoc (since PHP 5.3.0) string syntax works essentially like single quoted strings. The difference is that not even single quotes or backslashes have to be escaped. A nowdoc is identified with the same <<< sequence used for heredocs, but the identifier which follows ...
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Is it possible to define more than one function per file in MATLAB, and access them from outside tha

...ion in an m-file (i.e. the main function), is invoked when that m-file is called. It is not required that the main function have the same name as the m-file, but for clarity it should. When the function and file name differ, the file name must be used to call the main function. All subsequent funct...
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Is it possible to do a sparse checkout without checking out the whole repository first?

...mand, no need to run git pull Note that it requires git version 2.25 installed. Read more about it here: https://github.blog/2020-01-17-bring-your-monorepo-down-to-size-with-sparse-checkout/ UPDATE: The above git clone command will still clone the repo with its full history, though without check...
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How do you save/store objects in SharedPreferences on Android?

... Do you need all 3 jars? There are 3 of them in that link. . . – coolcool1994 Jul 13 '14 at 6:13 3 ...
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Putting license in each code file? [closed]

...uisance to have the actual licence text in the file, but it's a judgement call. But it is sensible to identify which licence it's released under. – Jonathan Leffler May 10 '09 at 20:43 ...
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How to test multiple variables against a value?

...lish sentence and guess that you are talking about the same comparison for all names here. You are looking for: if x == 1 or y == 1 or z == 1: x and y are otherwise evaluated on their own (False if 0, True otherwise). You can shorten that using a containment test against a tuple: if 1 in (x, y,...
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Using smart pointers for class members

...seems like everybody recommends using unique_ptr as the way to go almost all the time. But how would I implement something like this: ...
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How to saveHTML of DOMDocument without HTML wrapper?

... All of these answers are now wrong, because as of PHP 5.4 and Libxml 2.6 loadHTML now has a $option parameter which instructs Libxml about how it should parse the content. Therefore, if we load the HTML with these options ...
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How do you detect Credit card type based on number?

...rds; there are other cards issued using the MasterCard system that do not fall into this IIN range. In 2016, they will add numbers in the range (222100-272099). American Express: ^3[47][0-9]{5,}$ American Express card numbers start with 34 or 37. Diners Club: ^3(?:0[0-5]|[68][0-9])[0-9]{4,}$ Dine...