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How to check “hasRole” in Java Code with Spring Security?
...eRequestWrapper instance. You could improve it explaining how to obtain it and clarifying the answer itself a little bit more.
– Xtreme Biker
Feb 23 '15 at 9:59
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What's a quick way to test to see a file exists?
...s = FileManager.default.fileExists(atPath: somePath)
Thanks to Nikolay Suvandzhiev.
Objective-C (Original):
BOOL fileExists = [[NSFileManager defaultManager] fileExistsAtPath:somePath];
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How can I get a Dialog style activity window to fill the screen?
I am using an activity with the dialog theme set, and I want it to be full screen. I tried all sorts of things, even going through the WindowManager to expand the window to full width and height manually, but nothing works.
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Gson: Directly convert String to JsonObject (no POJO)
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This is the simplest answer and helped me out. Thanks!
– khiner
Dec 20 '14 at 22:32
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powershell 2.0 try catch how to access the exception
... postfix: "",
imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9....
Block Comments in Clojure
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A word of warning -- the (comment) macro expands to nil. Use #_ to comment a single form, or #_(comment ...) to comment multiple forms without inserting a nil.
– treat your mods well
Dec 18 '11 at 2:55
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How to convert String object to Boolean Object?
...: this does not create new instances of Boolean, so performance is better (and less garbage-collection). It reuses the two instances of either Boolean.TRUE or Boolean.FALSE.
boolean: no instance is needed, you use the primitive type.
The official documentation is in the Javadoc.
UPDATED:
Auto...
What does the clearfix class do in css? [duplicate]
...nline since with the latter, you can't set the element's dimensions (width and height) as well as vertical paddings (top and bottom) - which floated elements can do since they're treated as block elements.
Float problems
The main problem is that we're using float against its intended purpose.
Ano...
Color text in terminal applications in UNIX [duplicate]
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printf(KMAG "magenta\n"); is much cleaner and faster than using %s.
– user142019
Feb 26 '11 at 12:43
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How to sort a list of strings?
...amples above are a bit naive, because they don't take locale into account, and perform a case-sensitive sorting. You can take advantage of the optional parameter key to specify custom sorting order (the alternative, using cmp, is a deprecated solution, as it has to be evaluated multiple times - key ...