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Concept of void pointer in C programming

...ith explicit metainformation, like the int b in your example or the format string in the printf family of functions. share | improve this answer | follow | ...
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C default arguments

... present depending on the required arguments, and printf(3) reads a format string that specifies how many arguments there will be. Both use varargs quite safely and effectively, and though you can certainly screw them up, printf() especially seems to be quite popular. – Chris L...
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Understanding typedefs for function pointers in C

... a numerical algorithm written in C a while ago. So, could you share your tips and thoughts on how to write good typedefs for pointers to functions (Do's and Do not's), as to why are they useful and how to understand others' work? Thanks! ...
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How do I break a string across more than one line of code in JavaScript?

... In your example, you can break the string into two pieces: alert ( "Please Select file" + " to delete"); Or, when it's a string, as in your case, you can use a backslash as @Gumbo suggested: alert ( "Please Select file\ to delete"); Note that this back...
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What is the simplest way to convert a Java string from all caps (words separated by underscores) to

...t all. What's the simplest/most elegant way that I can convert, in Java, a string from the format "THIS_IS_AN_EXAMPLE_STRING" to the format " ThisIsAnExampleString "? I figure there must be at least one way to do it using String.replaceAll() and a regex. ...
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Unable to find valid certification path to requested target - error even after cert imported

... javax.net.ssl.*; public class InstallCert { public static void main(String[] args) throws Exception { String host; int port; char[] passphrase; if ((args.length == 1) || (args.length == 2)) { String[] c = args[0].split(":"); host = c[0]; port = (c.lengt...
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How do malloc() and free() work?

... @Juergen But when free() read extra byte which contain information how much memory allocated from malloc, it get 4. Then how crash happened or how free() touch administrative data ? – Undefined Behaviour Aug 5 '16 at...
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How do iOS Push Notifications work?

...e those notifications. Each device establishes an accredited and encrypted IP connection with the service and receives notifications over this persistent connection. Providers connect with APNs through a persistent and secure channel while monitoring incoming data intended for their client applicati...
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New line in Sql Query

...server-difference-between-line-feed-n-and-carriage-return-r-t-sql-new-line-char/ DECLARE @NewLineChar AS CHAR(2) = CHAR(13) + CHAR(10) PRINT ('SELECT FirstLine AS FL ' + @NewLineChar + 'SELECT SecondLine AS SL') share ...
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How can I force Powershell to return an array when a call only returns one object?

...ve a Count property. Single objects (scalar) do not have a Count property. Strings have a length property so you might get false results, use the Count property: if (@($serverIps).Count -le 1)... By the way, instead of using a wildcard that can also match strings, use the -as operator: [array]$s...