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Convert InputStream to byte array in Java
...lass DataInputStream is primary used to read primary types (Longs, Shorts, Chars...) from a stream, so we can see this usage as a misuse of the class.
– Olivier Faucheux
Apr 8 '15 at 11:51
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When should I use nil and NULL in Objective-C?
...ke a C pointer) in Objective-C. Like nil , NULL got no value nor address.
char *myChar = NULL;
struct MyStruct *dStruct = NULL;
So if there is a situation, when I need to check my struct (structure type variable) is empty or not then, I will use:
if (dStruct == NULL)
NSLog("The struct is emp...
Generate a random alphanumeric string in Cocoa
...i=0; i<len; i++) {
[randomString appendFormat: @"%C", [letters characterAtIndex: arc4random_uniform([letters length])]];
}
return randomString;
}
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get string value from HashMap depending on key name
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Suppose you declared HashMap as :-
HashMap<Character,Integer> hs = new HashMap<>();
Then,key in map is of type Character data type and value of int type.Now,to get value corresponding to key irrespective of type of key,value type, syntax is :-
char tem...
Create a .txt file if doesn't exist, and if it does append a new line
... answered Jan 31 '18 at 19:38
R.ChaR.Cha
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How to convert a currency string to a double with jQuery or Javascript?
... To handle negative numbers in the string, I added a '-' to the list of chars to accept, i.e. .replace(/[^0-9-\.]+/g, "")
– tonycoupland
Nov 27 '13 at 13:28
4
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Standard deviation of a list
... would expect. I couldn't edit the post as edits need to modify at least 6 chars...
– mknaf
Jan 6 '17 at 16:00
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In Bash, how do I add a string after each line in a file?
... @shuhalo According to gnu sed documentation $ also acts as a special character only at the end of the regular expression. So $ regexp grabs the end of each line and s/$/appendix/ substitues the end of a line with a given string. This is my understanding.
– Azatik1000
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How to assign string to bytes array
...ize of the slice and use an array instead. My answer below trims the extra chars to make sure you do not overflow the array.
– DavidG
Feb 14 '16 at 5:17
3
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Remove carriage return in Unix
...many shells on many terminals, ctrl-V ctrl-M will produce a literal ctrl-M character).
– tripleee
Aug 25 '14 at 10:55
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