大约有 40,000 项符合查询结果(耗时:0.0683秒) [XML]

https://stackoverflow.com/ques... 

How to use a custom comparison function in Python 3?

... Use the key argument (and follow the recipe on how to convert your old cmp function to a key function). functools has a function cmp_to_key mentioned at docs.python.org/3.6/library/functools.html#functools.cmp_to_key ...
https://stackoverflow.com/ques... 

What is PEP8's E128: continuation line under-indented for visual indent?

...ing on the first line, so it should either be indenting to the opening bracket: urlpatterns = patterns('', url(r'^$', listing, name='investment-listing')) or not putting any arguments on the starting line, then indenting to a uniform level: urlpatterns = patterns( '', ...
https://stackoverflow.com/ques... 

How to disable an input type=text?

... If you know this when the page is rendered, which it sounds like you do because the database has a value, it's better to disable it when rendered instead of JavaScript. To do that, just add the readonly attribute (or disabled, if y...
https://stackoverflow.com/ques... 

How to set an environment variable only for the duration of the script?

...variable for the duration of the script? For example, in a shell script, making an app that saves to HOME portable by temporarily setting HOME to a folder in the present working directory, and then launching the app. ...
https://stackoverflow.com/ques... 

How to define two fields “unique” as couple

...in your case: class Volume(models.Model): id = models.AutoField(primary_key=True) journal_id = models.ForeignKey(Journals, db_column='jid', null=True, verbose_name = "Journal") volume_number = models.CharField('Volume Number', max_length=100) comments = models.TextField('Comments', max_leng...
https://stackoverflow.com/ques... 

Convert Enum to String

...operator: nameof(MyEnum.EnumValue); // Ouputs > "EnumValue" This works at compile time, with the enum being replaced by the string in the compiled result, which in turn means this is the fastest way possible. Any use of enum names does interfere with code obfuscation, if you consider obfusca...
https://stackoverflow.com/ques... 

What's the difference between URI.escape and CGI.escape?

...ong discussion on ruby-core for those interested which also mentions WEBrick::HTTPUtils.escape and WEBrick::HTTPUtils.escape_form. share | improve this answer | follow ...
https://stackoverflow.com/ques... 

How do you specify a byte literal in Java?

...st explicitly downcast it to a byte to pass it as a parameter. As far as I know there is no shortcut. share | improve this answer | follow | ...
https://stackoverflow.com/ques... 

possibly undefined macro: AC_MSG_ERROR

... I had this same issue and found that pkg-config package was missing. After installing the package, everything generated correctly. share | improve this answer ...
https://stackoverflow.com/ques... 

CSS to line break before/after a particular `inline-block` item

... I've been able to make it work on inline LI elements. Unfortunately, it does not work if the LI elements are inline-block: Live demo: http://jsfiddle.net/dWkdp/ Or the cliff notes version: li { display: inline; } li:nth-child(3):after ...