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class
...s is "opening" a class defined, even though we all have an idea of what it means. Does class << self mean anything more than the value of self is set equal to the singleton class within the block's scope?
– Cary Swoveland
Mar 3 '18 at 3:57
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Is a colon `:` safe for friendly-URL use?
...ki/ABNF You are basically looking at a list of allowed characters, where / means OR. I haven't done any GWT programming, so I don't know how it uses the fragment part of URIs.
– McDowell
Jan 13 '10 at 0:27
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Android; Check if file exists without creating a new one
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When you say "in you package folder," do you mean your local app files? If so you can get a list of them using the Context.fileList() method. Just iterate through and look for your file. That's assuming you saved the original file with Context.openFileOutput().
Sample ...
Can we have multiple in same ?
... may be a set of <tr> so it could also be zero (i.e. a tbody or a tr means it could just be a tr and no tbody.)
– Alexis Wilke
Jan 28 '16 at 6:23
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How to apply shell command to each line of a command output?
...X-LINES use at most MAX-LINES non-blank input lines per command line. - Meaning that xargs with -L1 will execute a command consuming a single line at each time.
– eja
Jul 31 '19 at 9:04
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Generate random string/characters in JavaScript
...s the parameter is filled with random numbers (random in its cryptographic meaning).
Here's a little console example -
> var arr = new Uint8Array(4) # make array of 4 bytes (values 0-255)
> arr
Uint8Array(4) [ 0, 0, 0, 0 ]
> window.crypto
Crypto { subtle: SubtleCrypto }
> window.crypt...
Java's Virtual Machine and CLR
...parametric specializations at runtime.
From a practical perspective, that means you can't overload Java methods on generic types. You can't have two different methods, with the same name, differing only on whether they accept a List<String> or a List<Date>. Of course, since the CLR know...
Difference between git pull and git pull --rebase
...o
But that will not help if the upstream rebase involved any "squashing" (meaning that the patch-ids of the commits changed, not just their order).
Which means git pull --rebase has to do a little bit more than that. Here's an explanation of what it does and how.
Let's say your starting point is th...
Adaptive segue in storyboard Xcode 6. Is push deprecated?
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I didn't mean this segue. I was talking about creating new UIViewController next to "MainViewController" (it has Navigation Controller, and my "update" only shows how do I get it there) and attempts to push new View into MainViewContr...
What is the purpose of the “Prefer 32-bit” setting in Visual Studio and how does it actually work?
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Microsoft has a blog entry What AnyCPU Really Means As Of .NET 4.5 and Visual Studio 11:
In .NET 4.5 and Visual Studio 11 the cheese has been moved. The
default for most .NET projects is again AnyCPU, but there is more than
one meaning to AnyCPU now. There is an ...