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When to use symbols instead of strings in Ruby?
If there are at least two instances of the same string in my script, should I instead use a symbol?
4 Answers
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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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.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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How to delete a character from a string using Python
There is a string, for example. EXAMPLE .
16 Answers
16
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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...
Validate that a string is a positive integer
I would like the simplest fail-safe test to check that a string in JavaScript is a positive integer.
13 Answers
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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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How to change fontFamily of TextView in Android
...ml
<?xml version="1.0" encoding="utf-8"?>
<resources>
<string name="font_family_light">sans-serif-light</string>
<string name="font_family_medium">sans-serif-medium</string>
<string name="font_family_regular">sans-serif</string>
<st...
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...