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Why should a function have only one exit-point? [closed]
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There are different schools of thought, and it largely comes down to personal preference.
One is that it is less confusing if there is only a single exit point - you have a single path through the method and you know where to look for the exit. On the minus side if you use indentation...
How can I set the default value for an HTML element?
... The ="selected" part is not necessary. Just <option selected> will do as mentioned in other answers.
– MindJuice
Nov 11 '14 at 16:59
56
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Make body have 100% of the browser height
I want to make body have 100% of the browser height. Can I do that using CSS?
21 Answers
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Most efficient way to check for DBNull and then assign to a variable?
...omething. Isn't checking for DBNull exactly what the DataRow.IsNull method does?
I've been using the following two extension methods:
public static T? GetValue<T>(this DataRow row, string columnName) where T : struct
{
if (row.IsNull(columnName))
return null;
return row[colu...
Copy a stream to avoid “stream has already been operated upon or closed”
... efficiency payback if you're only going to use the data once, because you don't have to store it, and streams give you powerful "loop fusion" optimizations that let you flow the whole data efficiently through the pipeline.
If you want to re-use the same data, then by definition you either have t...
List to array conversion to use ravel() function
...ut wouldn't you need to get an array out of this no matter what? I guess I don't follow how you wouldn't get either command to generate a new array object.
– fgb
Apr 7 '13 at 22:29
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How to remove the first and the last character of a string
.../";
var result = yourString.slice(1,-1);
console.log(result);
Documentation for the slice and substring.
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Can I try/catch a warning?
...e the function call, then restore_error_handler when the error checking is done?
– user121196
Aug 6 '09 at 22:19
2
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CSS - Expand float child DIV height to parent's height
...posed content) when your assumptions turn out to be faulty. In short: you don't want to do this unless you really need to.
– Eamon Nerbonne
Feb 15 '13 at 15:32
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Accessing bash command line args $@ vs $*
...e the differences:
$ set -- "arg 1" "arg 2" "arg 3"
$ for word in $*; do echo "$word"; done
arg
1
arg
2
arg
3
$ for word in $@; do echo "$word"; done
arg
1
arg
2
arg
3
$ for word in "$*"; do echo "$word"; done
arg 1 arg 2 arg 3
$ for word in "$@"; do echo "$word"; done
arg 1
arg 2
arg ...