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How to get the first five character of a String

...exception in case of string's length less than the characters required. If you want to get the result back in string then you can use: Using String Constructor and LINQ's Take string firstFivChar = new string(yourStringVariable.Take(5).ToArray()); The plus with the approach is not checking ...
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Unable to load Private Key. (PEM routines:PEM_read_bio:no start line:pem_lib.c:648:Expecting: ANY PR

... Open the key file in Notepad++ and verify the encoding. If it says UTF-8-BOM then change it to UTF-8. Save the file and try again. share | improve this answer ...
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Understanding REST: Verbs, error codes, and authentication

...T: Update the addressed member of the collection or create it with the specified ID. POST: Treats the addressed member as a collection in its own right and creates a new subordinate of it. DELETE: Delete the addressed member of the collection. Point 2: I need more verbs In general, when you thi...
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Among $_REQUEST, $_GET and $_POST which one is the fastest?

... depends on variables_order ; and not sure you want to work with cookies. If I had to choose, I would probably not use $_REQUEST, and I would choose $_GET or $_POST -- depending on what my application should do (i.e. one or the other, but not both) : generally speaking : You should use $_GET when...
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How to programmatically set drawableLeft on Android button?

...sists (that is, drawableLeft are not redrawn). Do you know how to apply notifyDataSetChanged also for the drawableLeft, without doing a loop? Thanks! – Luis A. Florit Sep 19 '13 at 2:50 ...
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What does “Protocol … can only be used as a generic constraint because it has Self or associated typ

...create a Dictionary (actually a HashSet ) keyed on a custom protocol in Swift, but it is giving me the error in the title: ...
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Deep copying an NSArray

... As the Apple documentation about deep copies explicitly states: If you only need a one-level-deep copy: NSMutableArray *newArray = [[NSMutableArray alloc] initWithArray:oldArray copyItems:YES]; The above code creates a new array whose members are shallow co...
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How do I know the script file name in a Bash script?

...unning bar.sh!? Must be a bug!" Besides, one of the purposes of having differently-named symlinks is to provide different functionality based on the name it's called as (think gzip and gunzip on some platforms). 1 That is, to resolve symlinks such that when the user executes foo.sh which is ac...
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fs: how do I locate a parent folder?

... @eyurdakul If I understand it corrently: __dirname may look like /path/to/your/dir, if you say __dirname + ".." it is /path/to/your/dir.., which is a nonexistent directory, rather than /path/to/your. The slash is important. ...
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PHP expresses two different strings to be the same [duplicate]

...063 will both be float(0) because they are too small. For == in php, If you compare a number with a string or the comparison involves numerical strings, then each string is converted to a number and the comparison performed numerically. http://php.net/manual/en/language.operators.compari...