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“std::endl” vs “\n”
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@Omnifarious: No std::cerr should be reserved for errors. The two streams are not synced together so if you output some text to cout it may be buffered and the cerr will go direct to the output this resulting in a mixed mode display. Use cerr for what it is supposed to be fo...
unix - head AND tail of file
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answered Dec 24 '11 at 13:05
mahmah
36.2k88 gold badges6565 silver badges8989 bronze badges
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In Python, how do I indicate I'm overriding a method?
...'hello kitty!'
and if you do a faulty version it will raise an assertion error during class loading:
class ConcreteFaultyImplementer(MySuperInterface):
@overrides(MySuperInterface)
def your_method(self):
print 'bye bye!'
>> AssertionError!!!!!!!
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What is the meaning of “POSIX”?
...iew/osfoundations.html . For Windows, see en.wikipedia.org/wiki/POSIX#POSIX_for_Windows : Posix compliance is currently included in Enterprise and Ultimate editions only (not in the cheaper ones!-), though you can get partways w/Cygwin, en.wikipedia.org/wiki/Cygwin .
– Alex Mar...
How do I map lists of nested objects with Dapper
I'm currently using Entity Framework for my db access but want to have a look at Dapper. I have classes like this:
7 Answer...
Python String and Integer concatenation [duplicate]
... string = "string{0}".format(i)
What you did (range[1,10]) is
a TypeError since brackets denote an index (a[3]) or a slice (a[3:5]) of a list,
a SyntaxError since [1,10] is invalid, and
a double off-by-one error since range(1,10) is [1, 2, 3, 4, 5, 6, 7, 8, 9], and you seem to want [0, 1, 2...
Running a cron every 30 seconds
... 26 21:03:30 AWST 2020 Sleeping for 35 seconds (max 36).
Tue May 26 21:04:05 AWST 2020 Sleeping for 2 seconds (max 37).
Tue May 26 21:04:35 AWST 2020 Sleeping for 20 seconds (max 38).
Tue May 26 21:05:05 AWST 2020 Sleeping for 22 seconds (max 39).
Tue May 26 21:05:35 AWST 2020 Sleeping for 18 secon...
Differences between Agda and Idris
...gt; a -> b -> Type where
refl : x = x
while in Agda, it is
data _≡_ {l} {A : Set l} (x : A) : A → Set a where
refl : x ≡ x
The l in the Agda defintion can be ignored, as it has to do with the universe polymorphism that Edwin mentions in his answer.
The important difference is...
CentOS+Nginx+PHP+MySQL详细配置(图解) - PHP - 清泛IT论坛，有思想、有深度
...，这两个选项是做什么的上面已经描述。执行完后系统会提示--enable-fastcgi是一个未知选项，我们不必理会
#make
#make install
#cp php.ini-dist /usr/local/php/etc/php.ini
下面我们就要启动PHP-FPM
#/usr/local/php/sbin/php-fpm start
在启动PHP-...
Correct way to convert size in bytes to KB, MB, GB in JavaScript
...their method is ambiguous and confusing. I noticed the other examples have errors such as using KB instead of kB to represent a kilobyte so I decided to write a function that will solve each of these cases using the range of currently accepted units of measure.
There is a formatting bit at the end ...