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Integer to hex string in C++

... WARNIG: this will not work for single byte because char is always threated as char – ov7a Feb 15 '16 at 9:36 5 ...
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How do I find out if first character of a string is a number?

In Java is there a way to find out if first character of a string is a number? 5 Answers ...
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UINavigationBar custom back button without title

...se that you have a navigation controller going to ViewA from ViewB. In IB, select ViewA's navigation bar, you should see these options: Title, Prompt and Back Button. ViewA navigate bar options The trick is choose your destiny view controller back button title (ViewB) in the options of previous ...
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Objective-C and Swift URL encoding

... To escape the characters you want is a little more work. Example code iOS7 and above: NSString *unescaped = @"http://www"; NSString *escapedString = [unescaped stringByAddingPercentEncodingWithAllowedCharacters:[NSCharacterSet URLHo...
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unsigned int vs. size_t

...y removed all absolute guarantees about integer ranges (excluding unsigned char). The standard does not seem to contain the string '65535' or '65536' anywhere, and '+32767' only occurs (1.9:9) in a note as possible largest integer representable in int; no guarantee is given even that INT_MAX cannot ...
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Is there a way to escape a CDATA end token in xml?

...e 20 of the XML specification is quite clear: [20] CData ::= (Char* - (Char* ']]>' Char*)) EDIT: This product rule literally means "A CData section may contain anything you want BUT the sequence ']]>'. No exception.". EDIT2: The same section also reads: Within a CDATA section, o...
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List of all special characters that need to be escaped in a regex

...a regex for matching the message. The template/message may contain special characters. 10 Answers ...
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What would be the Unicode character for big bullet in the middle of the character?

... These links contain some more info like HTML entities for these four characters: fileformat.info/info/unicode/char/25cf fileformat.info/info/unicode/char/26ab fileformat.info/info/unicode/char/2b24 fileformat.info/info/unicode/char/1f311 – D Coetzee Aug 3...
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What linux shell command returns a part of a string? [duplicate]

... what do we need to do if we want to start from 3rd char till end of the string ie: "abcdef" we need cdef then echo "abcdef" | cut -c3?" – user1731553 Apr 5 '16 at 5:46 ...
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Is there a difference between YES/NO,TRUE/FALSE and true/false in objective-c?

...them from their #define values. Importantly, never test booleans using a character comparison -- it's not only risky because someVar could be assigned a non-zero value which is not YES, but, in my opinion more importantly, it fails to express the intent correctly: if(someVar==YES) { ... } // don'...