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How to upload a file to directory in S3 bucket using boto
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Also, I'd not recommend placing credentials inside your own source code. If you are running this inside AWS use IAM Credentials with Instance Profiles (http://docs.aws.amazon.com/IAM/latest/UserGuide/id_roles_use_switch-role-ec2_instance-profiles.html), and to keep the same behaviour in your Dev/T...
How to use regex with find command?
...egextype sed -regex ".*/[a-f0-9\-]\{36\}\.jpg"
Note that you need to specify .*/ in the beginning because find matches the whole path.
Example:
susam@nifty:~/so$ find . -name "*.jpg"
./foo-111.jpg
./test/81397018-b84a-11e0-9d2a-001b77dc0bed.jpg
./81397018-b84a-11e0-9d2a-001b77dc0bed.jpg
susam@ni...
Formula px to dp, dp to px android
.... Use this where you want a unit that should render the same real size on different devices.
Convert dp to pixel:
public int dpToPx(int dp) {
DisplayMetrics displayMetrics = getContext().getResources().getDisplayMetrics();
return Math.round(dp * (displayMetrics.xdpi / DisplayMetrics.DENSI...
Convert InputStream to BufferedReader
...provides bytes, converting these to text means the encoding must be known. If you don't specify it, the system default is assumed.
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PyCharm shows unresolved references error for valid code
... This is the only way working on PyCharm 4.0.x in my case. The fact is if something got screwed up and it does not refresh (sometimes it even shows same interpreter repeated several times in the list) you'll have to delete the files manually... I've even had to remove .idea folders once.
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What exactly is Arel in Rails 3.0?
...d, but it can also be used as an underpinning for DataMapper, for example.
If it is a replacement for anything, it's a replacement for Ambition. Or, you can think of it as a Ruby version of the LINQ standard query operators or Python's SQLAlchemy. (In fact, the author explicitly cites both LINQ and ...
What is JNDI? What is its basic use? When is it used?
...to know the details about the connection.
This has several advantages:
If you have a deployment sequence where apps move from devl->int->test->prod environments, you can use the same JNDI name in each environment and hide the actual database being used. Applications don't have to change...
Among $_REQUEST, $_GET and $_POST which one is the fastest?
... depends on variables_order ; and not sure you want to work with cookies.
If I had to choose, I would probably not use $_REQUEST, and I would choose $_GET or $_POST -- depending on what my application should do (i.e. one or the other, but not both) : generally speaking :
You should use $_GET when...
Directory does not exist. Parameter name: directoryVirtualPath
...em.Web.Optimization;
// a more fault-tolerant bundle that doesn't blow up if the file isn't there
public class BundleRelaxed : Bundle
{
public BundleRelaxed(string virtualPath)
: base(virtualPath)
{
}
public new BundleRelaxed IncludeDirectory(string directoryVirtualPath, st...
Dynamically updating plot in matplotlib
... Since there is no call to show(), the plot never appears on the screen. If I call show(), it blocks and doesn't perform the updates. Am I missing something? gist.github.com/daviddoria/027b5c158b6f200527a4
– David Doria
Sep 18 '15 at 11:14
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