大约有 40,700 项符合查询结果(耗时:0.0502秒) [XML]
Placing Unicode character in CSS content value [duplicate]
...t: "\2193";
}
The general format for a Unicode character inside a string is \000000 to \FFFFFF – a backslash followed by six hexadecimal digits. You can leave out leading 0 digits when the Unicode character is the last character in the string or when you add a space after the Unicode character. ...
How to correctly use “section” tag in HTML5?
...
The answer is in the current spec:
The section element represents a generic section of a document or
application. A section, in this context, is a thematic grouping of
content, typically with a heading.
Examples of sections...
Exploring Docker container's file system
...t I need to understand what's happening inside a container or what files exist in there. One example is downloading images from the docker index - you don't have a clue what the image contains so it's impossible to start the application.
...
Why dict.get(key) instead of dict[key]?
...
It allows you to provide a default value if the key is missing:
dictionary.get("bogus", default_value)
returns default_value (whatever you choose it to be), whereas
dictionary["bogus"]
would raise a KeyError.
If omitted, default_value is None, such that
dictionary.ge...
What is the difference between display: inline and display: inline-block?
What exactly is the difference between the inline and inline-block values of CSS display ?
5 Answers
...
In what areas might the use of F# be more appropriate than C#? [closed]
...written in F#.
The use of F# to address the complexity at the heart of this application clearly demonstrates a sweet spot for the language within enterprise software, namely algorithmically complex analysis of large data sets. My experience has been a very positive one. In particular:
Units of me...
C/C++ include header file order
...think there's a recommended order, as long as it compiles! What's annoying is when some headers require other headers to be included first... That's a problem with the headers themselves, not with the order of includes.
My personal preference is to go from local to global, each subsection in alphab...
Why doesn't JUnit provide assertNotEquals methods?
...cted and what you got if the assertion fails:
assertThat(objectUnderTest, is(not(someOtherObject)));
assertThat(objectUnderTest, not(someOtherObject));
assertThat(objectUnderTest, not(equalTo(someOtherObject)));
All three options are equivalent, choose the one you find most readable.
To use the ...
Dynamically creating keys in a JavaScript associative array
All the documentation I've found so far is to update keys that are already created:
9 Answers
...
What does %~dp0 mean, and how does it work?
...
Calling
for /?
in the command-line gives help about this syntax (which can be used outside FOR, too, this is just the place where help can be found).
In addition, substitution of FOR
variable references has been enhanced.
You can now use the following optional
syntax:
...
