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How do I remove the last comma from a string using PHP?
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Use the rtrim function:
rtrim($my_string, ',');
The Second parameter indicates the character to be deleted.
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How to hash some string with sha256 in Java?
How can I hash some string with sha256 in Java? Does anybody know of any free library for this?
15 Answers
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Reading Excel files from C#
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var fileName = string.Format("{0}\\fileNameHere", Directory.GetCurrentDirectory());
var connectionString = string.Format("Provider=Microsoft.Jet.OLEDB.4.0; data source={0}; Extended Properties=Excel 8.0;", fileName);
var adapter = new OleD...
How to delete a character from a string using Python
There is a string, for example. EXAMPLE .
16 Answers
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.NET String.Format() to add commas in thousands place for a number
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String.Format("{0:n}", 1234); // Output: 1,234.00
String.Format("{0:n0}", 9876); // No digits after the decimal point. Output: 9,876
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The input is not a valid Base-64 string as it contains a non-base 64 character
...r 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 introduced into the stream.
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Getting all names in an enum as a String[]
...or shortest way possible to get the names of enum elements as an array of String s?
20 Answers
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Split by comma and strip whitespace in Python
...list comprehension -- simpler, and just as easy to read as a for loop.
my_string = "blah, lots , of , spaces, here "
result = [x.strip() for x in my_string.split(',')]
# result is ["blah", "lots", "of", "spaces", "here"]
See: Python docs on List Comprehension
A good 2 second explanation of lis...
How do I get the first n characters of a string without checking the size or going out of bounds?
How do I get up to the first n characters of a string in Java without doing a size check first (inline is acceptable) or risking an IndexOutOfBoundsException ?
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Should I use string.isEmpty() or “”.equals(string)?
I'm usually testing this alongside a string == null , so I'm not really concerned about a null-safe test. Which should I use?
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