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.append(), prepend(), .after() and .before()
...now and then I come across code that seems to do basically the same thing. My main question here is, why would you use .append() rather then .after() or vice verses?
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Multiline string literal in C#
...ly, but you could workaround that by using weiqure's technique above of: @"my string".Replace(Environment.NewLine, "")
– John Rasch
Dec 12 '12 at 15:39
10
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How does !!~ (not not tilde/bang bang tilde) alter the result of a 'contains/included' Array method
... at all - it's a bitwise NOT operator in JavaScript itself.
See The Great Mystery of the Tilde(~).
You are getting strange numbers in your experiments because you are performing a bitwise logical operation on an integer (which, for all I know, may be stored as two's complement or something like th...
Split output of command by columns using Bash?
...b c d; do echo $c; done
will then output the 3rd column. As indicated in my comment...
A piped read will be executed in an environment that does not pass variables to the calling script.
out=$(ps whatever | { read a b c d; echo $c; })
arr=($(ps whatever | { read a b c d; echo $c $b; }))
echo ${...
How do I convert datetime to ISO 8601 in PHP
How do I convert my time from 2010-12-30 23:21:46 to ISO 8601 date format? (-_-;)
6 Answers
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What's a good (free) visual merge tool for Git? (on windows) [closed]
... but it defintly isn't that good either :) I tend to find it easier to use my regular code editor.
– Warpzit
Mar 26 '15 at 14:43
1
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How do you delete a column by name in data.table?
...table)
df3[,foo:=NULL]
df3[, c("foo","bar"):=NULL] # remove two columns
myVar = "foo"
df3[, (myVar):=NULL] # lookup myVar contents
# Method 2a -- A safe idiom for excluding (possibly multiple)
# columns matching a regex
df3[, grep("^foo$", colnames(df3)):=NULL]
# Method 2b -- An alternative t...
How do you unit test a Celery task?
...Registered: celery.task.http.HttpDispatchTask
– davidmytton
Aug 22 '12 at 21:04
Weird, are you sure you're not having ...
How to use 'find' to search for files created on a specific date? [closed]
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My version of find (GNU 4.2.32) doesn't seem to support the -newerXY predicates. Is there a particular minimum version needed? Or is it a case of compiling find with a special configure switch?
– yukondu...
Regular Expression for alphanumeric and underscores
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There's a lot of verbosity in here, and I'm deeply against it, so, my conclusive answer would be:
/^\w+$/
\w is equivalent to [A-Za-z0-9_], which is pretty much what you want. (unless we introduce unicode to the mix)
Using the + quantifier you'll match one or more characters. If you want...