大约有 40,000 项符合查询结果（耗时：0.0551秒） [XML]
Can ordered list produce result that looks like 1.1, 1.2, 1.3 (instead of just 1, 2, 3, …) with css?
...n "li:after" with "display: block". See jsFiddle for a full example. As an extra bonus I added "text-align: right" to "li:before" to make the numbers right aligned.
– mmlr
Dec 14 '17 at 12:28
...
How do I write good/correct package __init__.py files
...
__all__ is very good - it helps guide import statements without automatically importing modules
http://docs.python.org/tutorial/modules.html#importing-from-a-package
using __all__ and import * is redundant, only __all__ is nee...
How to get an MD5 checksum in PowerShell
...
If the content is a string:
$someString = "Hello, World!"
$md5 = New-Object -TypeName System.Security.Cryptography.MD5CryptoServiceProvider
$utf8 = New-Object -TypeName System.Text.UTF8Encoding
$hash = [System.BitConverter]::ToString($md5.Compu...
Aren't promises just callbacks?
...step, and return new promises themselves, they can just be chained without extra wrapping. That is, they compose.
– Dtipson
Dec 22 '15 at 19:11
...
Why does C++ compilation take so long?
... in extremely complex types, with ridiculously long names, adding a lot of extra work to the linker.
(It has to compare a lot of symbol names, and if these names can grow into many thousand characters, that can become fairly expensive).
And of course, they exacerbate the problems with header files,...
When is del useful in python?
...
One place I've found del useful is cleaning up extraneous variables in for loops:
for x in some_list:
do(x)
del x
Now you can be sure that x will be undefined if you use it outside the for loop.
...
How do I replace NA values with zeros in an R dataframe?
...want to apply the replacement to specific nurmeric vectors (leaving say... strings with NA): df[19:28][is.na(df[19:28])] <- 0
– jtdoud
Feb 9 '17 at 18:03
...
The model backing the context has changed since the database was created
...you or anyone get the Invalid object name 'dbo.Table check your connection string attachDbFilename and initial catalog
– benscabbia
Jan 12 '17 at 7:28
...
JSON Stringify changes time of date because of UTC
...
JSON uses the Date.prototype.toISOString function which does not represent local time -- it represents time in unmodified UTC -- if you look at your date output you can see you're at UTC+2 hours, which is why the JSON string changes by two hours, but if this ...
C++: How to round a double to an int? [duplicate]
...te & possibly slow. See clang-tidy for an explanation : clang.llvm.org/extra/clang-tidy/checks/…
– ACyclic
Nov 2 '16 at 13:36
...