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Can I use a collection initializer for Dictionary entries?
...{ 113, new StudentName {FirstName="Andy", LastName="Ruth", ID=198}}
};
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Easy pretty printing of floats in python?
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As noone has added it, it should be noted that going forward from Python 2.6+ the recommended way to do string formating is with format, to get ready for Python 3+.
print ["{0:0.2f}".format(i) for i in a]
The new string formating syntax is not hard to use, and yet is quite powerfull...
Is there a regular expression to detect a valid regular expression?
...t;)|\)(?<-N>))(?:(?:[?+*]|\{\d+(?:,\d*)?\})[?+]?)?|\|)*$(?(N)(?!))
From the comments:
Will this validate substitutions and translations?
It will validate just the regex part of substitutions and translations. s/<this part>/.../
It is not theoretically possible to match all va...
Bitwise operation and usage
...ction for sure; using all kinds of bitwise operations to go back and forth from the low-level to the higher-level communication.
As a concrete example, imagine some one gives you a file that contains raw data that was captured directly by telecommunication hardware. In this case, in order to find t...
Can I invoke an instance method on a Ruby module without including it?
...in one class. If you have problem that you want to include just one method from module then it sounds like a bad code smell and it is not good Ruby style to put unrelated methods together.
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Set color of TextView span in Android
...se. Are the first 3 lines necessary? Can't you create the Spannable object from the string directly?
– hpique
Jul 19 '10 at 21:18
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How to avoid overflow in expr. A * B - C * D
...X,MAX,2}. The OP says "Each number can be really big", but it isn't clear from the problem statement that each number must be really big.
– Kevin K
Nov 5 '12 at 21:28
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What characters are valid for JavaScript variable names?
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From the ECMAScript specification in section 7.6 Identifier Names and Identifiers, a valid identifier is defined as:
Identifier ::
IdentifierName but not ReservedWord
IdentifierName ::
IdentifierStart
Identif...
Excel: last character/string match in a string
...of "@", I used CHAR(9) (the tab character), since my data originally comes from tab-delimited file, and I'm guaranteed it won't be in my data.
– Josiah Yoder
Jun 16 '15 at 21:11
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Using HTML5/JavaScript to generate and save a file
...alog. For other browsers, your only option is to manually choose "Save as" from the context menu of the download link.
– bcmpinc
Feb 27 '16 at 14:56
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