大约有 48,000 项符合查询结果(耗时:0.0506秒) [XML]

https://stackoverflow.com/ques... 

Undoing a 'git push'

... Then you need to 'force' push the old reference. git push -f origin last_known_good_commit:branch_name or in your case git push -f origin cc4b63bebb6:alpha-0.3.0 You may have receive.denyNonFastForwards set on the remote repository. If this is the case, then you will get an error which inclu...
https://stackoverflow.com/ques... 

Use of undeclared identifier 'kUTTypeMovie'

... MobileCoreServices Open Video Camera @IBAction func openVideoCamera(_ sender: Any) { if UIImagePickerController.isSourceTypeAvailable(.camera) { let imagePicker = UIImagePickerController() imagePicker.delegate = self imagePicker.sourceType = .camera imageP...
https://stackoverflow.com/ques... 

How do I handle too long index names in a Ruby on Rails ActiveRecord migration?

... Provide the :name option to add_index, e.g.: add_index :studies, ["user_id", "university_id", "subject_name_id", "subject_type_id"], :unique => true, :name => 'my_index' If using the :index option on references in a create_table block, it t...
https://stackoverflow.com/ques... 

How can I give eclipse more memory than 512M?

...ipsezone.com/eclipse/forums/t104307.html https://bugs.eclipse.org/bugs/show_bug.cgi?id=188968 https://bugs.eclipse.org/bugs/show_bug.cgi?id=238378 More or less, keep trying smaller amounts til it works, that's your max. sh...
https://stackoverflow.com/ques... 

What's the difference between comma separated joins and join on syntax in MySQL? [duplicate]

... in the joins and some in the where clause. – wobbily_col Sep 14 '15 at 11:05 8 ...
https://stackoverflow.com/ques... 

Python Create unix timestamp five minutes in the future

...imestamp() method to get the timestamp as a float. import datetime current_time = datetime.datetime.now(datetime.timezone.utc) unix_timestamp = current_time.timestamp() # works if Python >= 3.3 unix_timestamp_plus_5_min = unix_timestamp + (5 * 60) # 5 min * 60 seconds ...
https://stackoverflow.com/ques... 

How to write LaTeX in IPython Notebook?

...from IPython.display import display, Math, Latex display(Math(r'F(k) = \int_{-\infty}^{\infty} f(x) e^{2\pi i k} dx')) share | improve this answer | follow ...
https://stackoverflow.com/ques... 

Spring RestTemplate timeout

...(); //Connect timeout clientHttpRequestFactory.setConnectTimeout(10_000); //Read timeout clientHttpRequestFactory.setReadTimeout(10_000); return clientHttpRequestFactory; } RestTemplate timeout with HttpComponentsClientHttpRequestFactory SimpleClientHttpRequestFactory helps i...
https://stackoverflow.com/ques... 

How do I create a basic UIButton programmatically?

...height: 500) myButton.addTarget(self, action: #selector(pressedAction(_:)), for: .touchUpInside) self.view.addSubview( myButton) func pressedAction(_ sender: UIButton) { // do your stuff here print("you clicked on button \(sender.tag)") } SwiftUI for example you get the step by ...
https://stackoverflow.com/ques... 

Fastest way to check if a string matches a regexp in ruby?

...y require 'benchmark' str = "aacaabc" re = Regexp.new('a+b').freeze N = 4_000_000 Benchmark.bm do |b| b.report("str.match re\t") { N.times { str.match re } } b.report("str =~ re\t") { N.times { str =~ re } } b.report("str[re] \t") { N.times { str[re] } } b.report("re =~ str...