大约有 40,000 项符合查询结果(耗时:0.0425秒) [XML]
What is the pythonic way to detect the last element in a 'for' loop?
...t depends on what you are trying to do. For example, if you are building a string from a list, it's naturally better to use str.join() than using a for loop “with special case”.
Using the same principle but more compact:
for i, line in enumerate(data_list):
if i > 0:
between_i...
How to make URL/Phone-clickable UILabel?
..., you do something like the following:
NSRange range = [label.text rangeOfString:@"me"];
[label addLinkToURL:[NSURL URLWithString:@"http://github.com/mattt/"] withRange:range]; // Embedding a custom link in a substring
sha...
Can (domain name) subdomains have an underscore “_” in it?
...ntax" in Section 3.5 of RFC 1034 as modified by RFC 1123. Briefly, it is a string consisting of ASCII letters, digits, and the hyphen with the further restriction that the hyphen cannot appear at the beginning or end of the string. Like all DNS labels, its total length must not exceed 63 octets.
...
Resize HTML5 canvas to fit window
...y: block (it seemed to be defaulting to display: inline which was creating extra space!).
– Elisabeth
Apr 5 '12 at 22:00
15
...
JavaScript window resize event
... removing event listeners, but in the case that you don't, adding all that extra code like in the example above is unnecessary and can both to bloat and less readability. In my opinion, if you don't envision a reason to need to remove the listener, this approach is the best solution. You can always ...
Add only non-whitespace changes
...l - its only special characters are ", \, \n, and ; (outside of a "-quoted string). This is why a " must always be escaped, even if it looks like it's inside a single-quoted string (which git is completely agnostic about).
This is important, eg. if you have a handy alias to execute a bash command i...
Hibernate SessionFactory vs. JPA EntityManagerFactory
...lback method annotations like @PrePersist, @PostPersist,@PreUpdate with no extra configuration.
Using similar callbacks while using SessionFactory will require extra efforts.
Related Hibernate docs can be found here and here.
Related SOF Question and Spring Forum discussion
...
How do I open an old MVC project in Visual Studio 2012 or Visual Studio 2013?
...
.csproj : error : The operation could not be completed. Invalid class string
I can't find any citations for the real cause of that, but I was able to get VS2012RTM to load the project successfully by changing the <ProjectGuid>. (No idea how this happened - its part of a large solution ...
Why declare unicode by string in python?
...code characters into your file no matter what the encoding is; you can use string unicode escapes, which work in either encoding.
When you declare a string with a u in front, like u'This is a string', it tells the Python compiler that the string is Unicode, not bytes. This is handled mostly tran...
Really Cheap Command-Line Option Parsing in Ruby
...eractive, "Be interactive"
opt :filename, "File to process", :type => String
end
And that's it. opts is now a hash with keys :quiet, :interactive, and :filename. You can do whatever you want with it. And you get a beautiful help page, formatted to fit your screen width, automatic short argume...
