大约有 45,000 项符合查询结果(耗时:0.0989秒) [XML]
Test if a class has an attribute?
I'm trying to do a little Test-First development, and I'm trying to verify that my classes are marked with an attribute:
4 ...
Django - iterate number in for loop of a template
... (in the below case i) in a loop. Or do I have to store it in the database and then query it in form of days.day_number?
3 ...
What does a double * (splat) operator do
...
Ruby 2.0 introduced keyword arguments, and ** acts like *, but for keyword arguments. It returns a Hash with key / value pairs.
For this code:
def foo(a, *b, **c)
[a, b, c]
end
Here's a demo:
> foo 10
=> [10, [], {}]
> foo 10, 20, 30
=> [10, [20...
How to do a simple file search in cmd
...search for a file given its name or part of its name, from the windows command line (not power shell). This is similar to opening explorer and using the search box at the top.
...
What are CFI directives in Gnu Assembler (GAS) used for?
There seem to be a .CFI directive after every line and also there are wide varities of these ex., .cfi_startproc , .cfi_endproc etc.. more here .
...
Initialize parent's protected members with initialization list (C++)
...er to be default initialized.
From C++0x draft:
12.6.2 Initializing bases and members
2 Names in a mem-initializer-id are
looked up in the scope of the
constructor’s class and, if not found
in that scope, are looked up in the
scope containing the constructor’s
definition. [ Note: if the
constru...
Why is $$ returning the same id as the parent process?
I have problem with Bash, and I don't know why.
Under shell, I enter:
6 Answers
6
...
Gulp.js task, return on src?
I'm new to gulp and have been looking through example set-ups.
Some people have the following structure:
3 Answers
...
Github (SSH) via public WIFI, port 22 blocked
I'm currently on a public WIFI spot and I'm unable to use SSH (they probably blocked that port). However, I need that connection to do a git push .
...
How to set the holo dark theme in a Android app?
...
change parent="android:Theme.Holo.Dark"
to parent="android:Theme.Holo"
The holo dark theme is called Holo
share
|
improve this answer
...