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Integer to hex string in C++
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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 ...
Objective-C and Swift URL encoding
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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...
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 ...
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...
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...
What linux shell command returns a part of a string? [duplicate]
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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'...