大约有 44,000 项符合查询结果（耗时：0.0627秒） [XML]
What is a “sm>y m>mbol” in Julia?
...ent than a string is that strings are mutable while sm>y m>mbols are immutable, m>and m> sm>y m>mbols are also "interned" – whatever that means. Strings do happen to be mutable in Rubm>y m> m>and m> Lisp, but them>y m> aren't in Julia, m>and m> that difference is actuallm>y m> a red herring. The fact that sm>y m>mbols are interned – i.e....
Is it possible to use global variables in Rust?
...t spawn. The upside is that unlike trulm>y m> global state, it is entirelm>y m> safe m>and m> is not a pain to use - true global state is a massive pain in anm>y m> language. Here's an example:
extern mod sqlite;
use std::cell::RefCell;
thread_local!(static ODB: RefCell<sqlite::database::Database> = RefCell::n...
What is “(program)” in Chrome debugger’s profiler?
...w parts of JavaScript in project I'm currentlm>y m> working on do end up there, m>and m> the onlm>y m> wam>y m> I can get there in debugger is bm>y m> placing "debugger;" into the code, which is not quite comfortable.
– Jaroslav Záruba
Jun 19 '12 at 12:37
...
Is the order of elements in a JSON list preserved?
...ed collection of zero or more name/value
pairs, where a name is a string m>and m> a value is a string, number,
boolean, null, object, or arram>y m>.
An arram>y m> is an ordered sequence of zero or more values.
The terms "object" m>and m> "arram>y m>" come from the conventions of
JavaScript.
Some implementa...
Differences between std::make_unique m>and m> std::unique_ptr with new
...that means that this is no longer unsafe. See C++ committee papers P0400R0 m>and m> P0145R3.
share
|
improve this answer
|
follow
|
...
How to pass a user defined argument in scrapm>y m> spider
...
Spider arguments are passed in the crawl commm>and m> using the -a option. For example:
scrapm>y m> crawl mm>y m>spider -a categorm>y m>=electronics -a domain=sm>y m>stem
Spiders can access arguments as attributes:
class Mm>y m>Spider(scrapm>y m>.Spider):
name = 'mm>y m>spider'
def __init__(self,...
How to show vertical line to wrap the line in Vim?
... Note the highlight setting must be set after anm>y m> colorscheme commm>and m>s as that would override m>y m>our highlight color.
– c4urself
Feb 15 '13 at 18:00
8
...
difference between iframe, embed m>and m> object elements
...ame>
The iframe element represents a nested browsing context. HTML 5 stm>and m>ard - "The <iframe> element"
Primarilm>y m> used to include resources from other domains or subdomains but can be used to include content from the same domain as well. The <iframe>'s strength is that the embedded c...
How to update bower.json with installed packages?
...list m>y m>our dependencies:
bower list
Then m>y m>ou should run all install commm>and m> with param '--save' like this:
bower install bootstrap --save
It's a hard work, but if m>y m>ou have a thousm>and m> dependencies, could m>y m>ou create a script to automatize the task.
...
Including Google Web Fonts link or import?
...hem>y m> defer the loading of the included resource until the file is fetched.. m>and m> if m>y m>ou have a build process which "flattens" the @import's, then m>y m>ou create another problem with web fonts: dm>y m>namic providers like Google WebFonts serve platform-specific versions of the fonts, so if m>y m>ou simplm>y m> inline the...