大约有 42,000 项符合查询结果（耗时：0.0384秒） [XML]
Default template arguments for function templates
...rt by Bjarne Stroustrup: Default Template Arguments for Function Templates and what he says
The prohibition of default template arguments for function templates is a misbegotten remnant of the time where freestanding functions were treated as second class citizens and required all template argum...
Ruby function to remove all white spaces?
...
If you want to remove only leading and trailing whitespace (like PHP's trim) you can use .strip, but if you want to remove all whitespace, you can use .gsub(/\s+/, "") instead .
share
...
SQLite add Primary Key
... suggested solution is to create a new table with the correct requirements and copy your data into it, then drop the old table.
here is the official documentation about this: http://sqlite.org/faq.html#q11
share
|
...
Django template how to look up a dictionary value with a variable
...
Fetch both the key and the value from the dictionary in the loop:
{% for key, value in mydict.items %}
{{ value }}
{% endfor %}
I find this easier to read and it avoids the need for special coding. I usually need the key and the value in...
Javascript heredoc
... answered Dec 7 '10 at 12:16
Andrew HareAndrew Hare
310k6363 gold badges611611 silver badges614614 bronze badges
...
How do I check if there are duplicates in a flat list?
...N log N) for non-hashable comparables, otherwise it's down to O(N squared) and there's nothing one can do about it:-(.
share
|
improve this answer
|
follow
|
...
What is a rune?
...in that range. Furthermore, 32 is in fact the offset between the uppercase and lowercase codepoint of the character. So by adding 32 to 'A', you get 'a' and vice versa.
share
|
improve this answer
...
Best way to format integer as string with leading zeros? [duplicate]
...
The way 004 is parsed by the compiler, and then represented in memory, is exactly the same as 4. The only time a difference is visible is in the .py source code. If you need to store information like "format this number with leading zeros until the hundreds place"...
Get operating system info
...ing system info. I have not been able to find out how to do that with PHP, and wanted to try to figure it out.
7 Answers
...
How to list all methods for an object in Ruby?
...ons", "table_name_prefix", ...
Note that methods is a method for Classes and for Class instances.
Here's the methods that my User class has that are not in the ActiveRecord base class:
>> User.methods - ActiveRecord::Base.methods
=> ["field_types", "su_pw?", "set_login_attr", "create_u...