大约有 10,700 项符合查询结果（耗时：0.0474秒） [XML]
Why use 'git rm' to remove a file instead of 'rm'?
...t up with git add <fileRemoved>. git rm does this in one step.
You can also use git rm --cached which will remove the file from the index (staging it for deletion on the next commit), but keep your copy in the local file system.
...
Best way to store date/time in mongodb
...ve type supports a whole range of useful methods out of the box, which you can use in your map-reduce jobs, for example.
If you need to, you can easily convert Date objects to and from Unix timestamps1), using the getTime() method and Date(milliseconds) constructor, respectively.
1) Strictly speak...
Bower and devDependencies vs dependencies
...light, looking at bower help install, modules listed under devDependencies can be omitted during the module installation via -p or --production, e.g.:
bower install angular-latest --production
This is the recommended way to perform an installation for anything other than a development platform.
...
How do I write unencoded Json to my View using Razor?
...
What can i do if i want some encoded text in my objects properties? \,{\"UrlPart\":\"TjcolklFX5c\",\"Title\":\"When Mama Isn\u0027t Home\"},{\" For example. This will break beacause js thinks the ' is escaping the native stri...
Rails where condition using NOT NIL
...
The canonical way to do this with Rails 3:
Foo.includes(:bar).where("bars.id IS NOT NULL")
ActiveRecord 4.0 and above adds where.not so you can do this:
Foo.includes(:bar).where.not('bars.id' => nil)
Foo.includes(:bar).whe...
Setting href attribute at runtime
...
To get or set an attribute of an HTML element, you can use the element.attr() function in jQuery.
To get the href attribute, use the following code:
var a_href = $('selector').attr('href');
To set the href attribute, use the following code:
$('selector').attr('href','htt...
How do I convert a Ruby class name to a underscore-delimited symbol?
How can I programmatically turn a class name, FooBar , into a symbol, :foo_bar ? e.g. something like this, but that handles camel case properly?
...
Ruby Regexp group matching, assign variables on 1 line
...
You don't want scan for this, as it makes little sense. You can use String#match which will return a MatchData object, you can then call #captures to return an Array of captures. Something like this:
#!/usr/bin/env ruby
string = "RyanOnRai...
Store query result in a variable using in PL/pgSQL
...sult of a SQL command yielding a single row (possibly of multiple columns) can be assigned to a record variable, row-type variable, or list of scalar variables."
– mu is too short
Mar 5 '15 at 20:35
...
Gradle, “sourceCompatibility” vs “targetCompatibility”?
...bility maps to -target release and -source release in javac. Source is basically the source language level and target is the level of the bytecode that is generated.
More details can be found in the javac the cross compilation section.
...