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Spring MVC: How to return image in @ResponseBody?
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InputStream in = servletContext.getResourceAsStream("/images/no_image.jpg");
return IOUtils.toByteArray(in);
}
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How to have the cp command create any necessary folders for copying a file to a destination [duplica
...ts if someone tries to rename the file while coping: cp-improved /foo/file.jpg /bar/file.jpg.bak. I will end up with /bar/file.jpg.bak/file.jpg regardless if bar exists or not
– MestreLion
Aug 5 '11 at 23:49
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File input 'accept' attribute - is it useful?
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I needed to accept JPG, PNG, GIF, PDF, and EPS files, but accept='.jpg,.png,.gif,.pdf,.eps' didn't allow any selection. I tried many variations - space delimited, no dot characters, etc., but no dice in Chrome v20, so I ended up using the mime ...
How to repair a serialized string which has been corrupted by an incorrect byte count length?
...ibe";i:0;s:15:"submit_comments";s:4:"open";s:5:"image";s:19:"C:fakepath100.jpg";}';
Example without recalculation
var_dump(unserialize($data));
Output
Notice: unserialize() [function.unserialize]: Error at offset 337 of 338 bytes
Recalculating
$data = preg_replace('!s:(\d+):"(.*?)";!e', ...
How do you diff a directory for only files of a specific type?
...on/dir/1 /destination/dir/2 -r -X exclude.pats
where exclude.pats is:
*.jpg
*.JPG
*.xml
*.XML
*.png
*.gif
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SVN needs-lock 设置强制只读属性（官方资料） - 环境配置 - 清泛IT论坛，...
...q" %%i in (`findstr /E /I /R "\.bmp.$ \.gif.$ \.ico.$ \.jpeg.$ \.jpg.$ \.png.$ \.tif.$ \.tiff.$ \.doc.$ \.jar.$ \.odt.$ \.pdf.$ \.ppt.$ \.swf.$ \.vsd.$ \.xls.$ \.zip.[ DISCUZ_CODE_0 ]quot; %TEMP%\tempfile%2`) do (
%...
Capturing Groups From a Grep RegEx
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If you're using Bash, you don't even have to use grep:
files="*.jpg"
regex="[0-9]+_([a-z]+)_[0-9a-z]*"
for f in $files # unquoted in order to allow the glob to expand
do
if [[ $f =~ $regex ]]
then
name="${BASH_REMATCH[1]}"
echo "${name}.jpg" # concatenate str...
image processing to improve tesseract OCR accuracy
... no means an OCR expert. But I this week had need to convert text out of a jpg.
I started with a colorized, RGB 445x747 pixel jpg.
I immediately tried tesseract on this, and the program converted almost nothing.
I then went into GIMP and did the following.
image>mode>grayscale
image>sc...
Switching a DIV background image with jQuery
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$('#divID').css("background-image", "url(/myimage.jpg)");
Should do the trick, just hook it up in a click event on the element
$('#divID').click(function()
{
// do my image switching logic here.
});
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Fastest way to extract frames using ffmpeg?
...lly slow. You should try this.
ffmpeg -i file.mpg -s 240x135 -vf fps=1 %d.jpg
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