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How do you plot bar charts in gnuplot?

...ting a text file of GNUplot commands. Lets call it commands.txt: set term png set output "graph.png" set boxwidth 0.5 set style fill solid plot "data.dat" using 1:3:xtic(2) with boxes set term png will set GNUplot to output a .png file and set output "graph.png" is the name of the file it will ou...
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Capture screenshot of active window?

... /// <param name="format">Optional file save mode. Default is PNG</param> public static void CaptureAndSave(string filename, CaptureMode mode = CaptureMode.Window, ImageFormat format = null) { ImageSave(filename, format, Capture(mode)); } ...
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How do I create a basic UIButton programmatically?

...ormal ]; UIImage *buttonImageNormal = [UIImage imageNamed:@"blueButton.png"]; UIImage *strechableButtonImageNormal = [buttonImageNormal stretchableImageWithLeftCapWidth:12 topCapHeight:0]; [playButton setBackgroundImage:strechableButtonImageNormal forState:UIControlStateNormal]; UIIm...
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Image Greyscale with CSS & re-color on mouse-over?

...gle between the two: #yourimage { background: url(../grayscale-image.png); } #yourImage:hover { background: url(../color-image.png}; } #google { background: url('http://www.google.com/logos/keystroke10-hp.png'); height: 95px; width: 275px; display: block; /* Optional ...
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How do I test a file upload in rails?

... upload a user's avatar image" do image = fixture_path + "/test_avatar.png" file = ActionController::TestUploadedFile.new image, "image/png" post :create, :user => { :avatar => file } User.last.avatar.original_filename.should == "test_avatar.png" end end This spec would req...
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Android: Share plain text using intent (to all messaging apps)

... ShareCompat.IntentBuilder.from(activity) * .setType("image/png") * .setStream(uriToImage) * .getIntent(); */ .setEmailTo(arrayOfStringEmailAddresses) .setEmailTo(singleStringEmailAddress) /* * [OPTIONAL] Designat...
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How to convert a Base64 string into a Bitmap image to show it in a ImageView?

... To remove the data:image... for both png and jpeg try this: String cleanImage = base64Image.replace("data:image/png;base64,", "").replace("data:image/jpeg;base64,",""); – Luis Cabrera Benito Jun 28 '18 at 18:06 ...
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How to check file input size with jQuery?

...('#formid').validate({ rules: { inputimage: { required: true, accept: "png|jpe?g|gif", filesize: 1048576 }}, messages: { inputimage: "File must be JPG, GIF or PNG, less than 1MB" } }); share | ...
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Is this a “good enough” random algorithm; why isn't it used if it's faster?

...= 600; CreateMatrix(w, h, rand.NextDouble).Save("System.Random.png", ImageFormat.Png); CreateMatrix(w, h, qrand.Random).Save("QuickRandom.png", ImageFormat.Png); } private static Image CreateMatrix(int width, int height, Func<double> f) { ...
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App Inventor 2 怎么修改app图标? · App Inventor 2 中文网

...面: 镂空效果 可以使用透明背景的png图片作为图标,以实现镂空的效果。 经过测试,使用透明背景的 .png 图片作为App的图标,可以实现镂空效果: 比如:app.png 使用看图软件打开的效果,表明背景是透...