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What is recursion and when should I use it?
...sion.
To see why, walk through the steps that the above languages use to call a function:
space is carved out on the stack for the function's arguments and local variables
the function's arguments are copied into this new space
control jumps to the function
the function's code runs
the function's...
In C#, how do I calculate someone's age based on a DateTime type birthday?
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This answer does not work with all locales and all ages. Several countries have skipped dates after the birth of current living people, including Russia (1918), Greece (1924) and Turkey (1926).
– Lars D
Nov 9 '09 at 2...
Update a column value, replacing part of a string
... clause optimizes the query to only modify the rows with certain URL. Logically, the result will be the same, but the addition of WHERE will make the operation faster.
– Dmytro Shevchenko
Aug 14 '15 at 14:34
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Check if a string contains one of 10 characters
...tion) >= 0;
}
That way you don't end up creating a new array on each call. The string is also easier to scan than a series of character literals, IMO.
Of course if you're only going to use this once, so the wasted creation isn't a problem, you could either use:
private const string Punctuatio...
Why are nested weights bad for performance? Alternatives?
...with non-zero weights, then the number of measurements
increase exponentially.
It's better to use RelativeLayouts and adjust your view according to the places of other views without using specific dpi values.
share
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Concat all strings inside a List using LINQ
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I am all for LINQ solutions but this is more efficient than LINQ and the Aggregate() method.
– andleer
Feb 20 '09 at 18:29
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resize ipython notebook output window
By default the ipython notebook ouput is limited to a small sub window at the bottom. This makes us force to use separate scroll bar that comes with the output window, when the output is big.
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How do I delete a Git branch locally and remotely?
I want to delete a branch both locally and remotely.
41 Answers
41
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How do I embed a single file from a GitHub gist with the new gist interface?
...tHub Gist interface has one embed snippet for the entire gist which embeds all files in the gist. The old interface had embed code for each file in the gist. Anyone know if there's a trick to embed a single file?
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BestPractice - Transform first character of a string into lower case
... However, + is much faster than string.Format. Use the latter when you actually need to format something (like displaying integers, doubles or dates).
– Dirk Vollmar
Aug 25 '10 at 11:09
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