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Java NIO FileChannel versus FileOutputstream performance / usefulness
...if there is any difference in performance (or advantages) when we use nio FileChannel versus normal FileInputStream/FileOuputStream to read and write files to filesystem. I observed that on my machine both perform at the same level, also many times the FileChannel way is slower. Can I please k...
Get file name and extension in Ruby
...o from YouTube, convert it to MP3 and create a directory structure for the files.
1 Answer
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Determine version of Entity Framework I am using?
... which specifies it is a .NET 4 component. Alternatively, you can open the file location as listed in the Path property and right-click the component in question, choose properties, then choose the details tab and view the product version.
...
compilation warning: no rule to process file for architecture i386
...
Click on your project, and check that this file is not present in the tab Build Phases. Normally no header files should stay here. Clean and build it again, it should work!
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Convert SVG to PNG in Python
...RGB32, 640,480)
ctx = cairo.Context(img)
## handle = rsvg.Handle(<svg filename>)
# or, for in memory SVG data:
handle= rsvg.Handle(None, str(<svg data>))
handle.render_cairo(ctx)
img.write_to_png("svg.png")
Update: as of 2014 the needed package for Fedora Linux distribution is: gno...
test a file upload using rspec - rails
I want to test a file upload in rails, but am not sure how to do this.
6 Answers
6
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how to access iFrame parent page using jquery?
...l)
{
$('#parentPrice').html(val);
}
</script>
and in iframe src file put :
<script>window.parent.ifDoneChildFrame('Your value here');</script>
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Write to .txt file?
How can I write a little piece of text into a .txt file?
I've been Googling for over 3-4 hours, but can't find out how to do it.
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How to capture Curl output to a file?
...l -K myconfig.txt -o output.txt
Writes the first output received in the file you specify (overwrites if an old one exists).
curl -K myconfig.txt >> output.txt
Appends all output you receive to the specified file.
Note: The -K is optional.
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How to map a composite key with JPA and Hibernate?
...lt;composite-id ...>...</composite-id> tag in the hbm.xml mapping file. So the PurchasedTest.hbm.xml will look like:
<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping PUBLIC
"-//Hibernate/Hibernate Mapping DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dt...