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How to check if a specified key exists in a given S3 bucket using Java
I would like to check if a key exists in a given bucket using Java. I looked at the API but there aren't any methods that are useful. I tried to use getObject but it threw an exception.
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Hide scroll bar, but while still being able to scroll
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Just a test which is working fine.
#parent{
width: 100%;
height: 100%;
overflow: hidden;
}
#child{
width: 100%;
height: 100%;
overflow-y: scroll;
padding-right: 17px; /* Increase/decrease this value for cross-brows...
How do I run a simple bit of code in a new thread?
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Good place to start reading is Joe Albahari.
If you want to create your own thread, this is as simple as it gets:
using System.Threading;
new Thread(() =>
{
Thread.CurrentThread.IsBackground = true;
/* run your code here */
Console.W...
Convert list of dictionaries to a pandas DataFrame
I have a list of dictionaries like this:
7 Answers
7
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Java Synchronized Block for .class
What does this java code mean? Will it gain lock on all objects of MyClass ?
4 Answers
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How to specify an element after which to wrap in css flexbox? [duplicate]
I don't think this is part of the flexbox standard yet, but is there maybe a trick to suggest or force wrapping after a certain element? I'd like to respond to different page sizes and wrap a list differently without extra markup, so that rather than having (for example) orphaned menu items on the n...
Why doesn't Git ignore my specified file?
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Make sure that your .gitignore is in the root of the working directory, and in that directory run git status and copy the path to the file from the status output and paste it into the .gitignore.
If that doesn’t work, then it’s likely that your file i...
How do you do relative time in Rails?
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Sounds like you're looking for the time_ago_in_words method (or distance_of_time_in_words), from ActiveSupport. Call it like this:
<%= time_ago_in_words(timestamp) %>
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How to select rows that have current day's timestamp?
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edited Feb 8 '13 at 9:39
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What are the most useful Intellij IDEA keyboard shortcuts? [closed]
...oogling hoping to find a post on IDEA shortcuts similar to Jeff's post on Visual Studio shortcuts ( Visual Studio .NET 2003 and 2005 Keyboard Shortcuts ), but didn't really spot anything that helped. Hopefully the answers to this question will fill the void.
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