大约有 40,000 项符合查询结果(耗时:0.0848秒) [XML]

https://stackoverflow.com/ques... 

How to disable anchor “jump” when loading a page?

...hat tab you're on; perhaps setting a cookie, or a value in a hidden field, etc etc. I would say that if you don't want the page jumping on load, you would be better off using one of these other options rather than the hash, because the main reason for using the hash in preference to them is to allo...
https://stackoverflow.com/ques... 

How can I listen for a click-and-hold in jQuery?

...tartTrigger(e) { var $elem = $(this); $elem.data('mouseheld_timeout', setTimeout(function() { $elem.trigger('mouseheld'); }, e.data)); } function stopTrigger() { var $elem = $(this); clearTimeout($elem.data('mouseheld_timeout')); } ...
https://stackoverflow.com/ques... 

Is it pythonic to import inside functions?

...at it needs to import. If I'm adding new code to an existing file I'll usually do the import where it's needed and then if the code stays I'll make things more permanent by moving the import line to the top of the file. One other point, I prefer to get an ImportError exception before any code is r...
https://stackoverflow.com/ques... 

what is the difference between 'transform' and 'fit_transform' in sklearn

...is meant for when you have already computed PCA, i.e. if you have already called its .fit method. In [12]: pc2 = RandomizedPCA(n_components=3) In [13]: pc2.transform(X) # can't transform because it does not know how to do it. -------------------------------------------------------------------------...
https://stackoverflow.com/ques... 

Deploying just HTML, CSS webpage to Tomcat

...oy) to /usr/share/tomcat6-myapp/myapp. It must be named index.html. Go to /etc/tomcat6/Catalina/localhost. Create an xml file "myapp.xml" (i guess it must have the same name as the name of the folder in step 2) inside /etc/tomcat6/Catalina/localhost with the following contents. < Context path="...
https://stackoverflow.com/ques... 

Encrypt and decrypt a string in C#?

...amWriter(csEncrypt)) { //Write all data to the stream. swEncrypt.Write(plainText); } } outStr = Convert.ToBase64String(msEncrypt.ToArray()); } } finally...
https://stackoverflow.com/ques... 

What are the differences between utf8_general_ci and utf8_unicode_ci? [duplicate]

...tf8_unicode_ci uses the standard Unicode Collation Algorithm, supports so called expansions and ligatures, for example: German letter ß (U+00DF LETTER SHARP S) is sorted near "ss" Letter Œ (U+0152 LATIN CAPITAL LIGATURE OE) is sorted near "OE". utf8_general_ci does not support expansions/liga...
https://stackoverflow.com/ques... 

Why switch is faster than if

...tiguous (or mostly contiguous with no large gaps) (case 0: case 1: case 2, etc.), then TableSwitch is used. If the offsets are spread out with large gaps (case 0: case 400: case 93748:, etc.), then LookupSwitch is used. The difference, in short, is that TableSwitch is done in constant time because...
https://stackoverflow.com/ques... 

Pushing read-only GUI properties back into ViewModel

...ameworkElement) { // WPF 4.0 onwards frameworkElement.SetCurrentValue(ObservedWidthProperty, frameworkElement.ActualWidth); frameworkElement.SetCurrentValue(ObservedHeightProperty, frameworkElement.ActualHeight); // WPF 3.5 and prior ////SetObservedWidth(...
https://stackoverflow.com/ques... 

Check if a Windows service exists and delete in PowerShell

...ee Remove-Service doc) For example: $service = Get-WmiObject -Class Win32_Service -Filter "Name='servicename'" $service.delete() Or with the sc.exe tool: sc.exe delete ServiceName Finally, if you do have access to PowerShell 6.0: Remove-Service -Name ServiceName ...