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Which Boost features overlap with C++11?
...peof → auto, decltype
Value initialized → List-initialization (§8.5.4/3)
Math/Special Functions → <cmath>, see the list below
gamma function (tgamma), log gamma function (lgamma)
error functions (erf, erfc)
log1p, expm1
cbrt, hypot
acosh, asinh, atanh
TR1 (they are marked in the d...
ICollection Vs List in Entity Framework
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3
So.... just for me to understand a bit further - List inherits IList, which inherits ICollection, which inherits IEnumerable?
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Foreign key constraints: When to use ON UPDATE and ON DELETE
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3 Answers
3
Active
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What is Prefix.pch file in Xcode?
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RaffAlRaffAl
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a...
What do @, - and + do as prefixes to recipe lines in Make?
... normally executed. See also the POSIX specification for make and also §9.3 of the GNU Make manual.
The + notation is a (POSIX-standardized) generalization of the de facto (non-standardized) mechanism whereby a command line containing ${MAKE} or $(MAKE) is executed under make -n.
(@ is discusse...
How can I force division to be floating point? Division keeps rounding down to 0?
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In Python 2, division of two ints produces an int. In Python 3, it produces a float. We can get the new behaviour by importing from __future__.
>>> from __future__ import division
>>> a = 4
>>> b = 6
>>> c = a / b
>>> c
0.66666666666666663
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differences in application/json and application/x-www-form-urlencoded
...server that you are posting JSON data as in:
{ Name : 'John Smith', Age: 23}
The second option is telling the web server that you will be encoding the parameters in the URL as in:
Name=John+Smith&Age=23
share
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Alter MySQL table to add comments on columns
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136
try:
ALTER TABLE `user` CHANGE `id` `id` INT( 11 ) COMMENT 'id of user'
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PostgreSQL naming conventions
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gerardw
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answered May 20 '10 at 22:47
leonbloyleonbloy
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Is type=“text/css” necessary in a tag?
...th the HTML5 spec, but for older versions of HTML is it required.
Html 4 W3.org spec
http://www.w3.org/TR/html40/struct/links.html#edef-LINK
http://www.w3.org/TR/html40/present/styles.html
Type stands for The MIME type of the style sheet. The only supported value I have ever seen is Text/CSS, wh...