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IEnumerable vs List - What to Use? How do they work?
...3 types. stackoverflow.com/questions/2876616/…
– Bronek
Jan 6 '14 at 20:55
5
@Bronek The answer...
How do I edit an existing tag message in git?
... `# get the second to last date, as the last one is the commit date` \
> git tag tag1 tag1^{} -a -f # finally, update the tag message, but save the date of the old one
>
> git rev-list --objects -g --no-walk --all
6bdcc34...
Is it safe to parse a /proc/ file?
...onsistent snapshot.
For example:
/proc/uptime is totally atomic, as someone mentioned in another answer -- but only since Linux 2.6.30, which is less than two years old. So even this tiny, trivial file was subject to a race condition until then, and still is in most enterprise kernels. See fs/p...
How to request a random row in SQL?
... -1 for relying on order by rand() or equivalents in all dbs :|. also mentioned here.
– AD7six
May 26 '14 at 9:27
21
...
For each row return the column name of the largest value
...
One option using your data (for future reference, use set.seed() to make examples using sample reproducible):
DF <- data.frame(V1=c(2,8,1),V2=c(7,3,5),V3=c(9,6,4))
colnames(DF)[apply(DF,1,which.max)]
[1] "V3" "V1" "V2"
...
Why doesn't list have safe “get” method like dictionary?
... view they're all O(1). The right answer is the typical usage / semantics one...
– Mark Longair
Feb 26 '11 at 8:15
...
What is a “translation unit” in C++
...utable program.
The notion of a translation unit is
most often mentioned in the contexts
of the One Definition Rule, and
templates.
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How do I prompt a user for confirmation in bash script? [duplicate]
...islevis85's suggestion (thanks!) and added the -n option to read to accept one character without the need to press Enter. You can use one or both of these.
Also, the negated form might look like this:
read -p "Are you sure? " -n 1 -r
echo # (optional) move to a new line
if [[ ! $REPLY =~ ^[Yy]$ ]...
random.seed(): What does it do?
...random.randint()') which generates these values on the basis of this seed. One of the must properties of random numbers is that they should be reproducible. When you put same seed, you get the same pattern of random numbers. This way you are generating them right from the start. You give a different...
Aliases in Windows command prompt
...d.
For completeness, here is a template to illustrate the kind of aliases one may find useful.
@echo off
:: Temporary system path at cmd startup
set PATH=%PATH%;"C:\Program Files\Sublime Text 2\"
:: Add to path by command
DOSKEY add_python26=set PATH=%PATH%;"C:\Python26\"
DOSKEY add_python33=s...