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How to reorder data.table columns (without copying)
... @PeterPan See also NEWS about the devel version 1.10.5: "setcolorder() now accepts less than ncol(DT) columns to be moved to the front"
– Henrik
Oct 22 '17 at 12:21
...
NUnit vs. Visual Studio 2008's test projects for unit testing [closed]
...he Visual Studio 2008 built-in unit testing framework:
The 2008 version now is available in
professional editions (before it
required expensive versions of Visual Studio, and
this is just for developer unit
testing) that left a lot of
developers with the only choice of
open/external testing fram...
Capitalize only first character of string and leave others alone? (Rails)
...
Thats great news! I was thinking what we can do right now and maybe a polyfill for Rails 4 would be nice.
– hakunin
Sep 13 '16 at 13:41
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PHP function to build query string from array
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@ceejayoz Well you've known it for a long time now... Your wish has come true?
– Andrew
Nov 30 '16 at 19:56
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Should I always return IEnumerable instead of IList?
...euse out of a component as possible. On the other hand, since you already know exactly what kind of object you have handy, there's not much point in masking it.
– Mel
Oct 14 '11 at 17:12
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Replace specific characters within strings
..., "e18947")) )
R> group
group
1 12357e
2 12575e
3 197e18
4 e18947
Now use gsub() with the simplest possible replacement pattern: empty string:
R> group$groupNoE <- gsub("e", "", group$group)
R> group
group groupNoE
1 12357e 12357
2 12575e 12575
3 197e18 19718
4 e18947 ...
What is the best way to implement constants in Java? [closed]
... big bad hack), because the constructor of the subclass needs to call the (now private) constructor of its superclass. So, marking it final is unnecessary (but perhaps more explicit).
– import this
Nov 4 '14 at 16:56
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python's re: return True if string contains regex pattern
...similar case where I want to search for an exact string (xyz) and want to know which is a more efficient way to do this, should I use python's 'xyz' in given_text or use re.compile(r'xyz').search(given_text) ?
– bawejakunal
May 4 '16 at 9:01
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How to avoid java.util.ConcurrentModificationException when iterating through and removing elements
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I know that cloning the list would help, but I don't know if it is a good approach. But I'll add some more code.
– RoflcoptrException
Nov 12 '11 at 13:32
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.keyCode vs. .which
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If you are staying in vanilla Javascript, please note keyCode is now deprecated and will be dropped:
This feature has been removed from the Web standards. Though some browsers may still support it, it is in the process of being dropped. Avoid using it and update existing code if possib...