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How to concatenate two IEnumerable into a new IEnumerable?
...on't forget that the names of actions you want to perform are likely close if not exactly called what you are after. Always browse IntelliSense, you learn a lot.
– Adam Houldsworth
Jan 31 '14 at 11:02
...
What is the easiest way to remove the first character from a string?
...-1]
end
def first(how_many = 1)
self[0...how_many]
end
def shift(how_many = 1)
shifted = first(how_many)
self.replace self[how_many..-1]
shifted
end
alias_method :shift!, :shift
end
class Array
def eat!(how_many = 1)
self.replace self[how_many..-1]
end
end
put...
Syntax highlighting/colorizing cat
...ith syntax highlighting is simply out of scope. cat is not meant for that.
If you just want to have the entire content of some file coloured in some way (with the same colour for the whole file), you can make use of terminal escape sequences to control the color.
Here's a sample script that will ch...
Deleting rows with MySQL LEFT JOIN
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You simply need to specify on which tables to apply the DELETE.
Delete only the deadline rows:
DELETE `deadline` FROM `deadline` LEFT JOIN `job` ....
Delete the deadline and job rows:
DELETE `deadline`, `job` FROM `deadline` LEFT JOIN `job` ....
Configuration System Failed to Initialize
...
Make sure that your config file (web.config if web, or app.config if windows) in your project starts as:
<?xml version="1.0"?>
<configuration>
<configSections>
<sectionGroup name="applicationSettings"
type="Syste...
Reference list item by index within Django template?
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If you're willing to create a custom tag, you can do a lot more. Here we're just working with the built-in stuff.
– Mike DeSimone
Apr 16 '15 at 13:55
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How to send only one UDP packet with netcat?
...
If you are using bash, you might as well write
echo -n "hello" >/dev/udp/localhost/8000
and avoid all the idiosyncrasies and incompatibilities of netcat.
This also works sending to other hosts, ex:
echo -n "hello" >...
Linq order by boolean
... I sort of like this more than the built in way. Mainly because even if there is an implied ordering for true/false, it isn't really obvious to anyone who hasn't done it before. So someone that doesn't know looking at code in the future could think it sorts true to false, when really it sorts ...
Using C# regular expressions to remove HTML tags
... am aware that this expression will fail in some cases. I am not even sure if the general case can be handled by any regular expression without errors.
– Daniel Brückner
Apr 25 '09 at 0:49
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Max return value if empty query
... .Select(x => x.ShoeSize)
.DefaultIfEmpty(0)
.Max();
The zero in DefaultIfEmpty is not necessary.
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