大约有 40,000 项符合查询结果(耗时:0.0544秒) [XML]

https://stackoverflow.com/ques... 

How to wait for the 'end' of 'resize' event and only then perform an action?

... Lodash is also useful here, which has _.throttle and _.debounce methods as well. I think debounce is a superior approach compared to the above accepted example. – Kevin Leary Oct 17 '16 at 13:11 ...
https://stackoverflow.com/ques... 

How to raise a ValueError?

...trates how to raise a ValueError the way you want. By-the-way, I think find_last(), find_last_index(), or something simlar would be a more descriptive name for this function. Adding to the possible confusion is the fact that Python already has a container object method named __contains__() that does...
https://stackoverflow.com/ques... 

Where does Oracle SQL Developer store connections?

...my connection info with what is set up in the SQL Explorer's file. I found all the *.ora files and renamed them to see if I could find what file (through the process of elimination) the connections were stored in, but I wasn't successful. Any help would be appreciated. ...
https://stackoverflow.com/ques... 

How does a public key verify a signature?

... add a digital signature to a document using his/her private key to essentially obtain a hash of the document, but what I do not understand is how the public key can be used to verify that signature. ...
https://stackoverflow.com/ques... 

Extracting numbers from vectors of strings

...ion is an indirect way of getting to the solution. If you want to retrieve all the numbers, I recommend gregexpr: matches <- regmatches(years, gregexpr("[[:digit:]]+", years)) as.numeric(unlist(matches)) If you have multiple matches in a string, this will get all of them. If you're only intere...
https://stackoverflow.com/ques... 

How to call Android contacts list?

I'm making an Android app, and need to call the phone's contact list. I need to call the contacts list function, pick a contact, then return to my app with the contact's name. Here's the code I got on the internet, but it doesnt work. ...
https://stackoverflow.com/ques... 

URL-parameters and logic in Django class-based views (TemplateView)

...re using a TemplateView which means that you would do the logic in your get_context_data override. – Ngenator Apr 2 '13 at 12:58 4 ...
https://stackoverflow.com/ques... 

What is the $? (dollar question mark) variable in shell scripting? [duplicate]

...al Parameters" http://pubs.opengroup.org/onlinepubs/9699919799/utilities/V3_chap02.html#tag_18_05_02 : ? Expands to the decimal exit status of the most recent pipeline (see Pipelines). man bash "Special Parameters": The shell treats several parameters specially. These parameters may only be refe...
https://stackoverflow.com/ques... 

Ruby: Easiest Way to Filter Hash Keys?

...with just the choices in it. choices = params.select { |key, value| key.to_s.match(/^choice\d+/) } or you can use delete_if and modify the existing Hash e.g. params.delete_if { |key, value| !key.to_s.match(/choice\d+/) } or if it is just the keys and not the values you want then you can do: p...
https://stackoverflow.com/ques... 

HTML5: Slider with two inputs possible?

...m to be many out there. I ended up modifying @Wildhoney's code a bit and really like it. function getVals(){ // Get slider values var parent = this.parentNode; var slides = parent.getElementsByTagName("input"); var slide1 = parseFloat( slides[0].value ); var slide2 = parseFlo...