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How to extract a substring using regex
...up(0) would return the complete match with the outer ' '. group(1) returns what is in-between the ' ' without the ' ' themselves.
– tagy22
Feb 19 '15 at 14:34
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Command to remove all npm modules globally?
Is there a command to remove all global npm modules? If not, what do you suggest?
24 Answers
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Pass a local file in to URL in Java
...RI. Eg, a URI begins with file:/// but a URL with file:/ (at least, that's what toString produces).
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Generating random number between 1 and 10 in Bash Shell Script [duplicate]
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What does the "| bc" part do?
– ebi
May 11 '15 at 17:27
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Can a Windows batch file determine its own file name?
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You can get the file name, but you can also get the full path, depending what you place between the '%~' and the '0'. Take your pick from
d -- drive
p -- path
n -- file name
x -- extension
f -- full path
E.g., from inside c:\tmp\foo.bat, %~nx0 gives you "foo.bat", whilst %~dpnx0 gives "c:\tmp\f...
How can I let a table's body scroll but keep its head fixed in place?
...head and tbody, and setting a fixed height on tbody with overflow:scroll?
What are your target browsers?
EDIT: It worked well (almost) in firefox - the addition of the vertical scrollbar caused the need for a horizontal scrollbar as well - yuck. IE just set the height of each td to what I had spe...
How to check if a map contains a key in Go?
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What would happen if one line above if val,ok ... a val was declared: var val string = ""?
– Kiril
May 7 '14 at 15:49
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Replacing NAs with latest non-NA value
...t faster.
It's less flexible though.
But it plays nice with ave, which is what I needed.
repeat.before = function(x) { # repeats the last non NA value. Keeps leading NA
ind = which(!is.na(x)) # get positions of nonmissing values
if(is.na(x[1])) # if it begins with a miss...
When should the volatile keyword be used in C#?
...ptimizations on this variable". It also means "tell the processors to
do whatever it is they need to do to ensure that I am reading the
latest value, even if that means halting other processors and making
them synchronize main memory with their caches".
Actually, that last bit is a lie. T...
JavaScript chop/slice/trim off last character in string
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+1 This is what OP needs, forget the false assumption that there are strings to be trimmed.
– naugtur
Dec 5 '12 at 17:23
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