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How to use `string.startsWith()` method ignoring the case?
... really will do a toUpperCase in a 1mb String just to compare 4-10 inicial characters?
– Dyorgio
Apr 7 '16 at 16:52
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Is It Possible to NSLog C Structs (Like CGRect or CGPoint)?
...e-C data item. It can hold any of the scalar types such as int, float, and char, as well as pointers, structures, and object ids.
Example:
CGPoint cgPoint = CGPointMake(10,30);
NSLog(@"%@",[NSValue valueWithCGPoint:cgPoint]);
OUTPUT : NSPoint: {10, 30}
Hope it helps you.
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How can I grep for a string that begins with a dash/hyphen?
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The dash is a special character in Bash as noted at http://tldp.org/LDP/abs/html/special-chars.html#DASHREF. So escaping this once just gets you past Bash, but Grep still has it's own meaning to dashes (by providing options).
So you really need t...
How can I strip first X characters from string using sed?
...ave a variable containing the text pid: 1234 and I want to strip first X characters from the line, so only 1234 stays. I have more variables I need to "clean", so I need to cut away X first characters and ${string:5} doesn't work for some reason in my system.
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In Java, what is the best way to determine the size of an object?
... primitives but then you don't really need a program to tell you how big a char is.
– Brel
Sep 16 '11 at 12:39
6
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How to create a directory using Ansible
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this uses the old syntax with = chars, would be great to update it with the : syntax with each atribute on a new line
– ympostor
Jun 8 '17 at 7:52
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How to check if an int is a null
... 0
long 0L
float 0.0f
double 0.0d
char '\u0000'
boolean false
Objects have null as default value.
String (or any object)--->null
1.) I need to check if the object is not null; Is the following expression correct;
if (person == n...
Regex, every non-alphanumeric character except white space or colon
... - matches all the letters
^ - negates them all - so you get - non numeric chars, non spaces and non colons
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cpuid汇编指令 - C/C++ - 清泛网 - 专注C/C++及内核技术
... spaces
cmp al, 0
jz done
disp_char:
mov dl, al
mov ah, 2
int 21h
lodsb
cmp al, 0
jnz disp_char
done:
mov ax, 4c...
Objective-C parse hex string to integer
...format #01FFFFAB, you can still use NSScanner, but you can skip the first character.
unsigned result = 0;
NSScanner *scanner = [NSScanner scannerWithString:@"#01FFFFAB"];
[scanner setScanLocation:1]; // bypass '#' character
[scanner scanHexInt:&result];
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