save

问题 figure; histogram = hist(np,180); name=['histogram-' int2str(k) '.png']; %% k is the iterator so basically I want to save all the images using a loop. imwrite(out,name); The image I got is only a horizontal line. Does someone know how to fix this? 回答1: you can use savefig instead of imwrite here is the doc http://www.mathworks.ch/ch/help/matlab/ref/savefig.html savefig(h,filename) h is the handle of figure. you could skip h to save the current figure. (edit) savefig may not be there depending

问题 Using BackgridJS (backgridjs.com) and want to be able to update one of the cells and save it to the server. This is the code that they provide us with for this task: var MyModel = Backbone.Model.extend({ initialize: function () { Backbone.Model.prototype.initialize.apply(this, arguments); this.on("change", function (model, options) { if (options && options.save === false) return; model.save(); }); } }); I added this to my code, and ran it on my server using MAMP. I looked at the JavaScript

问题 Using BackgridJS (backgridjs.com) and want to be able to update one of the cells and save it to the server. This is the code that they provide us with for this task: var MyModel = Backbone.Model.extend({ initialize: function () { Backbone.Model.prototype.initialize.apply(this, arguments); this.on("change", function (model, options) { if (options && options.save === false) return; model.save(); }); } }); I added this to my code, and ran it on my server using MAMP. I looked at the JavaScript

问题 I use the following approach to display a PDF within a JSP: <object id="pdfObj" data='myController.do?#toolbar=0&navpanes=0&scrollbar=1&amp' type='application/pdf' width='100%' height='460px' onkeypress="javascript:alert('key press event not triggered!');"></object> The toolbar and the navigation panes are hidden when the screen loads. The floating toolbar also is not visible. However, an F8 or a F4 opens up the toolbar or the navigation pane respectively. An attempt on trapping the keypress

问题 I use the following approach to display a PDF within a JSP: <object id="pdfObj" data='myController.do?#toolbar=0&navpanes=0&scrollbar=1&amp' type='application/pdf' width='100%' height='460px' onkeypress="javascript:alert('key press event not triggered!');"></object> The toolbar and the navigation panes are hidden when the screen loads. The floating toolbar also is not visible. However, an F8 or a F4 opens up the toolbar or the navigation pane respectively. An attempt on trapping the keypress

问题 I have an application that read the stream from a camera (MJPEG) and show it on the form in real time (in a picture box). This is working. This stream reading start when the user click on the button "Start". What I want to do is that when the user click on a button "Stop", the stream between the button "Start" and "Stop" would be save on disk as a .mpg. Right now, it write something on the disk, but I can't open it in Windows Media Player. Here is the code to write the stream private void

问题 I'm trying to save the image after manipulating it with move, pinch and rotate gestoures. All I get is the real image no matter what I tried, I tried with UIGraphicsBeginImageContextWithOptions on the UIView container and on the UIIMageView without success. Hope someone can help on this one. Thanks, Itay 回答1: You could try with this: UIGraphicsBeginImageContextWithOptions(imageSize, NO, 0.0); CGContextConcatCTM(UIGraphicsGetCurrentContext(), imageView.transform); [imageView.layer

问题 How do I save an integer that can be overwritten and then read it on android? I am using libgdx. I know how to do it for my desktop, but I want internal storage. 回答1: You should use libgdx Preferences . That way it will work cross-plattform! (including Android) Since you just want to store some Integer that should be just what you need. See example: //get a preferences instance Preferences prefs = Gdx.app.getPreferences("My Preferences"); //put some Integer prefs.putInteger("score", 99); /

问题 I have a file with x,y,z values. I wish to find an elegant way to open and add a new value id to each line and save again the same file. def get_point_grid_id(x,y,x_min,y_max,x_dist,y_dist): col = int((x - x_min)/x_dist) row = int((y_max - y)/y_dist) return (row, col) ex 1 1 10 2 2 10 3 3 10 the id will be get_point_grid_id(1,1,0,10,1,1) (9, 1) get_point_grid_id(2,2,0,10,1,1) (8, 2) get_point_grid_id(3,3,0,10,1,1) (7, 3) the new file will be 1 1 10 (9, 1) 2 2 10 (8, 2) 3 3 10 (7, 3) i am

问题 I'm developing functions to read PDF and Save it locally on iPhone and iPad. I'm building this to iOS 6.1 and more, so I don't have any constraint for the SDK. So, I wanna know what's the best and simple solution to write contents locally (whatever file). Perhaps somebody knows a lib to do this functionality ? 回答1: I found the answer here : Save your app data with NSCoding and NSFileManager NSData *dataPdf = [NSData dataWithContentsOfURL:pdfOnline.url]; //Get path directory NSArray *paths =