大约有 13,916 项符合查询结果（耗时：0.0171秒） [XML]
Array versus List: When to use which?
...t<T> any time you want to add/remove data, since resizing arrays is expensive. If you know the data is fixed length, and you want to micro-optimise for some very specific reason (after benchmarking), then an array may be useful.
List<T> offers a lot more functionality than an array (alt...
How do you install ssh-copy-id on a Mac?
...I have tried to follow https://github.com/beautifulcode/ssh-copy-id-for-OSX but every time I run ssh-copy-id it gives me errors. Any ideas on how to get ssh-copy-id to install?
...
How to activate JMX on my JVM for access with jconsole?
How to activate JMX on a JVM for access with jconsole?
11 Answers
11
...
Rails - Nested includes on Active Records?
...) of an already included association (we'll call it B), you'd use the syntax above. However, if you'd like to include D as well, which is also an association of B, that's when you'd use the array as given in the example in the Rails Guide.
A.includes(bees: [:cees, :dees])
You could continue to ne...
Download multiple files with a single action
...port more than one file download at once.
There are two solutions:
Open x amount of windows to initiate the file downloads (this would be done with JavaScript)
preferred solution create a script to zip the files
share
...
Get user info via Google API
... access token you get after user has authorized you to access this scope. Example: curl -X GET "https://www.googleapis.com/oauth2/v1/userinfo?alt=json" -H"Authorization: Bearer accessTokenHere"
– Pratik Singhal
Jul 7 '18 at 10:28
...
Size of font in CSS with slash
...0%;
line-height: 120%;
To quote the official documentation:
The syntax of this property is based on a traditional typographical shorthand notation to set multiple properties related to fonts.
As David M said in the comments, it mirrors the typesetting tradition of specifying typeface sizes a...
Is there a way to list pip dependencies/requirements?
... 18.1.
To get the output without cluttering your current directory on Linux use
pip download [package] -d /tmp --no-binary :all: -v
-d tells pip the directory that download should put files in.
Better, just use this script with the argument being the package name to get only the dependencies as...
Get lengths of a list in a jinja2 template
...ave {{products|length}} products</span>
You can also use this syntax in expressions like
{% if products|length > 1 %}
jinja2's builtin filters are documented here; and specifically, as you've already found, length (and its synonym count) is documented to:
Return the number of items...
Mixing a PHP variable with a string literal
...answered Mar 20 '11 at 13:55
alexalex
420k184184 gold badges818818 silver badges948948 bronze badges
...