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Get the POST request body from HttpServletRequest
... that somewhere in your code (filters problably), or maybe because someone by Spring, the getReader() method is not called before, because if you call it twice or more times, it only returns the payload the first one.
– Dani
Dec 20 '19 at 17:17
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How to retrieve an element from a set without removing it?
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next(iter(s)) only exceeds list(s)[0] by three characters and is otherwise dramatically superior in both time and space complexity. So, while the claim of "least code" is trivially true, it's also trivially true that this is the worst possible approach. Even manu...
Check if object is file-like in Python
...like a builtin file object", and different functions mean different things by "like". Such functions should document what they mean; if they don't, you have to look at the code.
However, the most common meanings are "has read(size)", "has read()", or "is an iterable of strings", but some old librar...
Wget output document and headers to STDOUT
I'm trying to output document body and its headers to stdout with wget by wget -S -O - http://google.com
5 Answers
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Delegates: Predicate vs. Action vs. Func
...he question "does the specified argument satisfy the condition represented by the delegate?" Used in things like List.FindAll.
Action: Perform an action given the arguments. Very general purpose. Not used much in LINQ as it implies side-effects, basically.
Func: Used extensively in LINQ, usually to ...
Split string with dot as delimiter
...ed to escape that .. There are few ways to do it, but simplest is probably by using \ (which in String needs to be written as "\\" because \ is also special there and requires another \ to be escaped).
So solution to your problem may look like
String[] fn = filename.split("\\.");
Bonus
You can ...
Lambda expression vs method reference [closed]
...efs is simple: names matter. If a method has a name, then referring to it by name, rather than by an imperative bag of code that ultimately just turns around and invokes it, is often (but not always!) more clear and readable.
The arguments about performance or about counting characters are mostl...
How to set a stroke-width:1 on only certain sides of SVG shapes?
...eed stroke or no-stroke then you can also use stroke-dasharray to do this, by making the dashes and gaps match up with the sides of the rectangle.
rect { fill: none; stroke: black; }
.top { stroke-dasharray: 0,50,150 }
.left { stroke-dasharray: 150,50 }
.bottom { stroke-dasharray: 100,50 }
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Better way to get type of a Javascript variable?
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A reasonably good type capture function is the one used by YUI3:
var TYPES = {
'undefined' : 'undefined',
'number' : 'number',
'boolean' : 'boolean',
'string' : 'string',
'[object Function]': 'function',
'[object RegExp]...
How to remove files from git staging area?
...EAD -- path/to/file
Just like git add, you can unstage files recursively by directory and so forth, so to unstage everything at once, run this from the root directory of your repository:
git reset HEAD -- .
Also, for future reference, the output of git status will tell you the commands you need...