大约有 40,000 项符合查询结果(耗时:0.1233秒) [XML]

https://stackoverflow.com/ques... 

UITableView - change section header color

...lor:[UIColor clearColor]]; return headerView; } Swift: func tableView(_ tableView: UITableView!, viewForHeaderInSection section: Int) -> UIView! { let headerView = UIView(frame: CGRect(x: 0, y: 0, width: tableView.bounds.size.width, height: 30)) if (section == integerRepresentingYourSect...
https://stackoverflow.com/ques... 

Continuously read from STDOUT of external process in Ruby

...hether at the time ehsanul answered the question, there was Open3::pipeline_rw() available yet, but it really makes things simpler. I don't understand ehsanul's job with Blender, so I made another example with tar and xz. tar will add input file(s) to stdout stream, then xz take that stdout and co...
https://stackoverflow.com/ques... 

How to create a custom-shaped bitmap marker with Android map API v2 [duplicate]

...aw more complex and fancier stuff: Bitmap.Config conf = Bitmap.Config.ARGB_8888; Bitmap bmp = Bitmap.createBitmap(80, 80, conf); Canvas canvas1 = new Canvas(bmp); // paint defines the text color, stroke width and size Paint color = new Paint(); color.setTextSize(35); color.setColor(Color.BLACK); ...
https://stackoverflow.com/ques... 

How to check if object (variable) is defined in R?

...:(which(search() == "tools:rstudio") - 1L), function(pp) exists(_object_name_, where = pp, inherits = FALSE))) Compare replacing _object_name_ with "data.table" (TRUE) vs. "var" (FALSE) (of course, if you're not on RStudio, I think the first automatically attached environment is "packa...
https://stackoverflow.com/ques... 

How to unzip a file using the command line? [closed]

...mmand "Expand-Archive '.\file.zip' '.\unziped\'" – AK_ Mar 17 '18 at 21:11 @AK_ what about Windows 8 or 8.1? ...
https://stackoverflow.com/ques... 

Have a reloadData for a UITableView animate when changing

... Actually, it's very simple: [_tableView reloadSections:[NSIndexSet indexSetWithIndex:0] withRowAnimation:UITableViewRowAnimationFade]; From the documentation: Calling this method causes the table view to ask its data source for new cells for the ...
https://stackoverflow.com/ques... 

Selenium wait until document is ready

...it" function (use a WebDriverWait if you like, I find them ugly): def wait_for(condition_function): start_time = time.time() while time.time() < start_time + 3: if condition_function(): return True else: time.sleep(0.1) raise Exception('Timeout...
https://stackoverflow.com/ques... 

Does Go have “if x in” construct similar to Python?

...it, like this: func stringInSlice(a string, list []string) bool { for _, b := range list { if b == a { return true } } return false } If you want to be able to check for membership without iterating over the whole list, you need to use a map instead of an a...
https://stackoverflow.com/ques... 

Downloading a picture via urllib and python

...I have found this answer and I edit that in more reliable way def download_photo(self, img_url, filename): try: image_on_web = urllib.urlopen(img_url) if image_on_web.headers.maintype == 'image': buf = image_on_web.read() path = os.getcwd() + DOWNLOADED_I...
https://stackoverflow.com/ques... 

Load multiple packages at once

...plish this: So the user could do: ## install.packages("pacman") pacman::p_load(dplyr, psych, tm) and if the package is missing p_load will download it from CRAN or Bioconductor. share | improve...