大约有 42,000 项符合查询结果（耗时：0.0605秒） [XML]
Create module variables in Ruby
...rd Hey my mistake. Why the need for two '@@' class variables? Isn't it considered a code smell, especially if the class is extended to use class variables? I was testing this and I realized I could get the same result from a single @ instance variable. Is there a specific reason for using class vari...
Permanently adding a file path to sys.path in Python
... example_file.py , which I wanted to use from various other files, so I decided to add example_file.py to sys.path and import this file in another file to use the file. To do so, I ran the following in IPython.
...
Can a pointer to base point to an array of derived objects?
...
As Martinho Fernandes said, the indexing is wrong. If you wanted instead to store an array of Shapes, you would have to do so using an array of Shape *'s, like so:
int main()
{
Shape ** shapes = new Shape*[10];
for (int i = 0; i < 10; ++i)...
Set cookie and get cookie with JavaScript [duplicate]
...
The eraseCookie function didn't work for me (FireFox Developer Edition 66.0b4). Instead, I had to use the code from B T's answer: document.cookie = name + '=; expires=Thu, 01 Jan 1970 00:00:00 UTC; path=/'.
– ban-geoengineering
...
Android Studio - Where can I see callstack while debugging an android app?
...
Thanks Nickolai, I didn't find "Threads" because I had closed it. I clicked on the icon on the right of the Tabs and I reopened it.
– ARLabs
Feb 9 '15 at 14:15
...
How to deserialize a JObject to .NET object
...
Any ideas on the performance implications here? Will reflection be used every time?
– Shaun Rowan
Nov 2 '13 at 21:46
...
The Ruby %r{ } expression
..., making complex regexps more readable. Example from GitHub's Ruby style guide:
regexp = %r{
start # some text
\s # white space char
(group) # first group
(?:alt1|alt2) # some alternation
end
}x
...
How do I sort an array of hashes by a value in the hash?
...by! was added in 1.9.2" answer worked for me
– web spider26
Nov 19 '16 at 6:02
add a comment
...
swift case falling through
... var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
StackExchange.using("externalEditor", function() {
// Have to fire editor after snippets, if snippets enabled...
Get current value of a setting in Vim
... var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
StackExchange.using("externalEditor", function() {
// Have to fire editor after snippets, if snippets enabled...