大约有 32,000 项符合查询结果（耗时：0.0379秒） [XML]
Calculating arithmetic mean (one type of average) in Python
...
then mean([2,3]) would give 2. be careful with floats. Better use float(sum(l))/len(l). Better still, be careful to check if the list is empty.
– jesusiniesta
Oct 25 '13 at 22:33
...
How to vertically center a inside a div? [duplicate]
...">Yes mom, I did my homework lol</span>
</div>
You should then add the CSS rules
.parent { height: 20px; }
.child { line-height: 20px; vertical-align: middle; }
Or you can target it with a child selector
.parent { height: 20px; }
.parent > span { line-height: 20px; verti...
Navigation bar appear over the views with new iOS7 SDK
...icon in stortyboard (besides the productOwner beneath the view itself) and then selecting the attributes inspector (Like the images shows).
This will also set the alignment lines like iOS 6.
Another great tool in xCode 5 is "Preview": click on the butler Button (assistant editor) and select Previe...
How can I explode and trim whitespace?
... i love this piece of code and come back to this site now and then!
– patrickzzz
Aug 24 '18 at 9:25
...
How do I get a file name from a full path with PHP?
...l
xml
test
The use of this function has been available since PHP 5.2.0!
Then you can manipulate all the parts as you need. For example, to use the full path, you can do this:
$fullPath = $xmlFile['dirname'] . '/' . $xmlFile['basename'];
...
How to check “hasRole” in Java Code with Spring Security?
... you can do:
Collection<? extends GrantedAuthority> authorities = authentication.getAuthorities();
boolean authorized = authorities.contains(new SimpleGrantedAuthority("ROLE_ADMIN"));
share
|
...
fs: how do I locate a parent folder?
...
I am assuming then that __dirname was somthing like '/foo/bar' rather than '/foo/bar/'.
– Andrew Hare
Aug 16 '11 at 18:31
...
Adding an onclick function to go to url in JavaScript?
... rows. I can able to perform step 1 and if I am on already loaded website then in console I am able to extract table rows (in javascript code). But, when I am trying to write code sequentially for above steps, failing at step 2.
– FayazMd
Jan 22 at 20:19
...
iPhone Simulator suddenly started running very slow
...at this answer hit cmd+T thinking they were in a different application and then started getting slow animations. Apple should remap the cmd+T keystroke to something way more arcane and less commonly used.
– cs01
Apr 3 '19 at 20:54
...
Keyboard shortcut to comment lines in Sublime Text 3
...
On OSX Yosemite, I fixed this by going System Preferences, Keyboard, then Shortcuts. Under App Shortcuts, disable Show Help menu which was bound to CMD+SHIFT+7.
My keyboard layout is Norwegian, with English as the OS language.
...