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File input 'accept' attribute - is it useful?
...is incredibly useful. It is a hint to browsers to only show files that are allowed for the current input. While it can typically be overridden by users, it helps narrow down the results for users by default, so they can get exactly what they're looking for without having to sift through a hundred di...
Center a position:fixed element
...in: 5% auto; for this. Without position: fixed; it centers fine horizontally, but not vertically. After adding position: fixed; , it's even not centering horizontally.
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How to create a jQuery plugin with methods?
... plugin that will provide additional functions/methods to the object that calls it. All the tutorials I read online (have been browsing for the past 2 hours) include, at the most, how to add options, but not additional functions.
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How do I change the language of moment.js?
...locale('es')
console.log(march.format('MMMM')) // 'Marzo'
In summation, calling locale on the global moment sets the locale for all future moment instances, but does not return an instance of moment. Calling locale on an instance, sets it for that instance AND returns that instance.
Also, as Shiv...
How to get all enum values in Java?
... yourEnums = YourEnumClass.class.getEnumConstants(); solved my problem of calling from a non-static method.
– Jeremy
Jul 21 '17 at 23:33
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Can I have multiple primary keys in a single table?
...re UNIQUE, taken together, and also NOT NULL. Thus, specifying values for all the columns of any candidate key is enough to determine that there is one row that meets the criteria, or no rows at all.
Candidate keys are a fundamental concept in the relational data model.
It's common practice, if m...
How to output something in PowerShell
... aforementioned value, and being the last item on the command pipeline it calls the .toString() method and outputs the result to STDOUT (by default). A thing of beauty.
The other Write-* commands are specific to outputting the text to their associated streams, and have their place as such.
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What is the difference between JOIN and JOIN FETCH when using JPA and Hibernate
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In this two queries, you are using JOIN to query all employees that have at least one department associated.
But, the difference is: in the first query you are returning only the Employes for the Hibernate. In the second query, you are returning the Employes and all Depart...
Is it good practice to make the constructor throw an exception? [duplicate]
...c to the problem you are reporting, and 3) it is reasonable to expect the caller to deal with a checked exception for this2.
However explicitly declaring or throwing java.lang.Exception is almost always bad practice.
You should pick an exception class that matches the exceptional condition that h...
Remove non-utf8 characters from string
...eplacement is whatever was captured into group 1. This effectively removes all invalid bytes.
It is possible to repair the string, by encoding the invalid bytes as UTF-8 characters. But if the errors are random, this could leave some strange symbols.
$regex = <<<'END'
/
(
(?: [\x00-...