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Git submodule update
...epo];
# update your submodule
git submodule update --remote
# or (with rebase)
git submodule update --rebase --remote
See "git submodule update --remote vs git pull".
MindTooth's answer illustrate a manual update (without local configuration):
git submodule -q foreach git pull -q origin maste...
How to upgrade rubygems
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you command doesn't work on distribution based on debian gem update --system "2.1.0" ERROR: While executing gem ... (RuntimeError) gem update --system is disabled on Debian, because it will overwrite the content of the rubygems Debian package, and might break your D...
Freeing up a TCP/IP port?
...ou :-).
What are you actually trying to achieve here? Solutions will vary based on the processes holding those ports.
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Objective-C formatting string for boolean?
... evaluates the boxed expression and returns the appropriate object literal based on its value (i.e. NSString for const char*, NSNumber for int, etc.).
Sqlite or MySql? How to decide? [closed]
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Their feature sets are not at all the same. Sqlite is an embedded database which has no network capabilities (unless you add them). So you can't use it on a network.
If you need
Network access - for example accessing from another machine;
Any real degree of concurrency - for example, if you...
Ruby on Rails Server options [closed]
... EventMachine library. Other than using the Mongrel HTTP parser, it is not based on Mongrel in any way. Its cluster mode has no process monitoring so you need to monitor crashes etc. There is no Unicorn-like shared socket, so each process listens on its own socket. In theory, Thin's I/O model allows...
Python Remove last 3 characters of a string
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It doesn't work as you expect because strip is character based. You need to do this instead:
foo = foo.replace(' ', '')[:-3].upper()
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Days between two dates? [duplicate]
...ents on other answers. This is how I would work out the difference in days based on 24 hours and calender days. the days attribute works well for 24 hours and the function works best for calendar checks.
from datetime import timedelta, datetime
def cal_days_diff(a,b):
A = a.replace(hour = 0, ...
valueOf() vs. toString() in Javascript
...operands, and then decides if addition or concatenation should be applied, based on the type of each primitive.
So, this is how you think it works
a + b:
pa = ToPrimitive(a)
if(pa is string)
return concat(pa, ToString(b))
else
return add(pa, ToNumber(b))
and this is wha...
String comparison: InvariantCultureIgnoreCase vs OrdinalIgnoreCase? [duplicate]
...ood at different things.
InvariantCultureIgnoreCase uses comparison rules based on english, but without any regional variations. This is good for a neutral comparison that still takes into account some linguistic aspects.
OrdinalIgnoreCase compares the character codes without cultural aspects. Thi...