大约有 40,000 项符合查询结果（耗时：0.0587秒） [XML]
How does Facebook Sharer select Images and other metadata when sharing my URL?
...elect an image?
Yes, you just need to add multiple image meta tags in the order you want them to appear in. The user will then be presented with an image selector dialog:
I specified the appropriate image meta tags. Why isn't Facebook accepting the changes?
Once a url has been shared, Facebook's...
Optional query string parameters in ASP.NET Web API
...blic int Skip { get; set; }
public int Take { get; set; }
}
Update:
In order to ensure the values are optional make sure to use reference types or nullables (ex. int?) for the models properties.
share
|
...
Set every cell in matrix to 0 if that row or column contains a 0
...e pass since a single bit has an effect on bits before and after it in any ordering. IOW Whatever order you traverse the array in, you may later come accross a 0 which means you have to go back and change a previous 1 to a 0.
Update
People seem to think that by restricting N to some fixed value (s...
What's the difference between an inverted index and a plain old index?
...at everyone needs to agree which one is "left" and which one is "right" in order for the words to have meaning. If, as a culture, we decided to flip left and right, then you'd have the same issue figuring out what a "right turn" vs a "left turn" is since the agreed upon meaning had changed. However,...
How many socket connections can a web server handle?
...
In short:
You should be able to achieve in the order of millions of simultaneous active TCP connections and by extension HTTP request(s). This tells you the maximum performance you can expect with the right platform with the right configuration.
Today, I was worried wheth...
Shell script to delete directories older than n days
...
@OrGal you are absolutely correct. In order to prevent this, just use: find /path/to/base/dir/*.
– zloynemec
Jul 5 '15 at 8:28
11
...
How to swap keys and values in a hash
...>[:c, :b]}
h.inverse.inverse
=> {:a=>1, :c=>2, :b=>2} # order might not be preserved
h.inverse.inverse == h
=> true # true-ish because order might change
whereas the built-in invert method is just broken:
h.invert
=> {1=>:a, 2=>:c} # FAIL
...
Can a Windows batch file determine its own file name?
... gives "c:\tmp\foo.bat". Note the pieces are always assembled in canonical order, so if you get cute and try %~xnpd0, you still get "c:\tmp\foo.bat"
share
|
improve this answer
|
...
What is a monad?
...ses them pervasively) but can be used in any language which support higher-order functions (that is, functions which can take other functions as arguments).
Arrays in JavaScript support the pattern, so let’s use that as the first example.
The gist of the pattern is we have a type (Array in this ca...
Why should I use the keyword “final” on a method parameter in Java?
...lass and the method seeing changes the other one makes to the variable. In order to maintain the illusion that there is only one variable rather than two copies, it has to be final.
share
|
improve ...