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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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How do I make a splash screen?
...h is bad UX.
First you need to define the spash screen in your layout.xml file
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical" android:layout_width="fill_parent"
android:...
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...
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...
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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compilation warning: no rule to process file for architecture i386
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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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How do I use variables in Oracle SQL Developer?
...put to the Query Result window? In my job I run queries to export to Excel files.
– tp9
Jun 9 '12 at 1:18
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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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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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