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shortcut for creating a Map from a List in groovy?
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If what you need is a simple key-value pair, then the method collectEntries should suffice. For example
def names = ['Foo', 'Bar']
def firstAlphabetVsName = names.collectEntries {[it.charAt(0), it]} // [F:Foo, B:Bar]
But if you want a structure similar to a Multimap,...
CSS content generation before or after 'input' elements [duplicate]
... This is what I really want: <input name='…' type='…' required>, then input[required]::after { content: ' *'; color: red; }. le sigh.
– thirdender
Aug 28 '12 at 4:41
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Detect viewport orientation, if orientation is Portrait display alert message advising user of instr
...this is much stronger now. This seems to be a much more robust answer now then the accepted one.
– JonK
Jun 28 '16 at 21:56
2
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Rich vs Anemic Domain Model [closed]
...ell. The rich model is nice until your domain grows large and complex, and then you start hitting infrastructure limitations. That is where lazy-load ORM's can come in to help, though. Find a good one, and you can retain rich models while not loading the entire DB into memory when you only needed 1/...
SQL - find records from one table which don't exist in another
... If performance not good enough, make sure appropriate indexes exist. Only then, try the less-obvious LEFT OUTER JOIN, see if its performance is better.
– ToolmakerSteve
Feb 24 '19 at 2:05
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What does “./” (dot slash) refer to in terms of an HTML file path location?
...e same location where the referring file is. The main part of the question then is: "Why to use it and is it necessary at all?". The only reason to prefer the syntax of "./file" instead of "file" I was able to find is that ./ means current folder and ONLY the current folder. So if there is some kind...
SQL JOIN and different types of JOINs
...rect). But I'd rather go the other way round and start with cross join and then "build" inner join on top of it. After all, the mere concept of cross join invalidates these informal and inaccurate Venn diagram visualisations...
– Lukas Eder
Apr 21 '17 at 17:25
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OSGi, Java Modularity and Jigsaw
...hen released is not guaranteed to have modularity (it slipped from Java 7, then from Java 8, and could easily slip again). Finally, the published requirements for JSR376 state that OSGi interop is required... so adopting OSGi remains a safe choice, and today the only practical choice.
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How to change the default charset of a MySQL table?
...u must use utf8_unicode_ci, because if you don’t care about correctness, then it’s trivial to make it infinitely fast.
– Yohanes AI
Apr 1 '17 at 15:41
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How to close current tab in a browser window?
...th the above. If you opened the window with Javascript (via window.open()) then you are allowed to close the window with javascript. Firefox disallows you from closing other windows. I believe IE will ask the user for confirmation. Other browsers may vary.
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