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Why do I have to access template base class members through the this pointer?
...if
static const int x = 2;
template <typename T> void foo() { A *x = 0; }
if A is a type, that declares a pointer (with no effect other than to shadow the global x). If A is an object, that's multiplication (and barring some operator overloading it's illegal, assigning to an rvalue). If it i...
What is a proper naming convention for MySQL FKs?
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Example:
CREATE TABLE users(
user_id int,
name varchar(100)
);
CREATE TABLE messages(
message_id int,
user_id int
);
ALTER TABLE messages ADD CONSTRAINT fk_messages_users_user_id
FOREIGN KEY (user_id) REFERENCES users(user_id);
I try to stick with the same fiel...
How to quit a java app from within the program
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edited Jun 20 at 9:12
Community♦
111 silver badge
answered Apr 19 '10 at 21:16
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What is the difference between NaN and None?
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109
NaN is used as a placeholder for missing data consistently in pandas, consistency is good. I us...
Can I set the height of a div based on a percentage-based width? [duplicate]
Let's say I've got a div that has a width of 50% of the body. How do I make its height equal to that value? So that when the browser window is 1000px wide, the div's height and width are both 500px.
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HEAD and ORIG_HEAD in Git
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answered Jun 9 '09 at 0:05
Jakub NarębskiJakub Narębski
254k5858 gold badges205205 silver badges227227 bronze badges
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Differences between Agda and Idris
... edited Nov 3 '19 at 16:59
user2023370
9,12644 gold badges3737 silver badges7171 bronze badges
answered Feb 27 '12 at 23:35
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Determining type of an object in ruby
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edited Nov 10 '17 at 21:10
answered Apr 2 '13 at 16:53
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round() doesn't seem to be rounding properly
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102
I can't help the way it's stored, but at least formatting works correctly:
'%.1f' % round(n, ...