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How can I get last characters of a string
... If you're trying to apply slice or substr on a number (int), convert it to string first. E.g. myVar.toString().slice(-5)
– dnns
Jul 19 '19 at 10:04
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Make a float only show two decimal places
...ow the number is stored, it is a matter of how you are displaying it. When converting it to a string you must round to the desired precision, which in your case is two decimal places.
E.g.:
NSString* formattedNumber = [NSString stringWithFormat:@"%.02f", myFloat];
%.02f tells the formatter that ...
Replace a character at a specific index in a string?
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Turn the String into a char[], replace the letter by index, then convert the array back into a String.
String myName = "domanokz";
char[] myNameChars = myName.toCharArray();
myNameChars[4] = 'x';
myName = String.valueOf(myNameChars);
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Convert normal date to unix timestamp
How can I convert normal date 2012.08.10 to unix timestamp in javascript?
11 Answers
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The input is not a valid Base-64 string as it contains a non-base 64 character
...ervice that reads a file and sends it to another console application after converting it to Byte array and then to Base64 string. This part works, but when the same stream is received at the application, it gets manipulated and is no longer a valid Base64 string. Some junk characters are getting int...
What is Serialization?
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Simply speaking Serialization is a process of converting an Object into stream of bytes so that it can be transferred over a network or stored in a persistent storage.
Deserialization is the exact opposite - Fetch a stream of bytes from network or persistence storage a...
Converting XML to JSON using Python?
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There is no "one-to-one" mapping between XML and JSON, so converting one to the other necessarily requires some understanding of what you want to do with the results.
That being said, Python's standard library has several modules for parsing XML (including DOM, SAX, and ElementTree...
converting CSV/XLS to JSON? [closed]
Does anyone know if there is application that will let me convert preferably XLS to JSON?
10 Answers
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Convert a python dict to a string and back
...back into the dictionary object when the program is run again.
How would I convert a dictionary object into a string that can be written to a file and loaded back into a dictionary object? This will hopefully support dictionaries containing dictionaries.
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php is null or empty?
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@Robert: A string not starting with digits is converted to 0 when cast to a string: codepad.org/qi40SG3E. So (int)"php" == 0.
– Felix Kling
Nov 27 '13 at 21:58
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