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How to return images in flask response? [duplicate]
...et('type') == '1':
filename = 'ok.gif'
else:
filename = 'error.gif'
return send_file(filename, mimetype='image/gif')
to send back ok.gif or error.gif, depending on the type query parameter. See the documentation for the send_file function and the request object for more infor...
ruby system command check exit code
...=> true
system("echo foo | grep bar") #=> false
Furthermore
An error status is available in $?.
system("VBoxManage createvm --invalid-option")
$? #=> #<Process::Status: pid 9926 exit 2>
$?.exitstatus #=> 2
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Making Maven run all tests, even when some fail
...
additionally you could add -e for the cmd to provide some error information.
– despot
Sep 27 '12 at 8:03
12
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How to manually install an artifact in Maven 2?
I've encountered some errors when I tried to install an artifact manually with Maven 2. I wanted to install a jar from a local directory with the command
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How to serve an image using nodejs
...xt and images
serves index.html as a default directory index
responds with error codes for missing files
no path traversal vulnerabilities
no race conditions while reading files
I tested every version on Node versions 4, 5, 6 and 7.
express.static
This version uses the express.static built-in mi...
Unable to update the EntitySet - because it has a DefiningQuery and no element exis
...ternatively delete the entity and then add it) before you stop getting the error.
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How do I get the directory that a program is running from?
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There is a small error, but unfortunately I can't edit yet.. line 10: cCurrentpath: should be cCurrentPath
– Lipis
Dec 20 '09 at 14:56
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ProcessStartInfo hanging on “WaitForExit”? Why?
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The problem is that if you redirect StandardOutput and/or StandardError the internal buffer can become full. Whatever order you use, there can be a problem:
If you wait for the process to exit before reading StandardOutput the process can block trying to write to it, so the process never ...
How to define different dependencies for different product flavors
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I'm trying this and getting this error, Error:(28, 0) Build script error, unsupported Gradle DSL method found: 'glassCompile()'! (The flavor I'm trying to add a dependency to is "glass".)
– nmr
Jun 10 '14 at 20:20
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bower command not found
...6 Jul 17 2012 git
Here is a node-which attempt:
> which.sync('git')
Error: not found: git
I change the permissions (chomd 755 git).
Now node-which can find it.
> which.sync('git')
'/usr/local/bin/git'
Hope this helps.
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