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How to check if a specified key exists in a given S3 bucket using Java
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Use the jets3t library. Its a lot more easier and robust than the AWS sdk. Using this library you can call, s3service.getObjectDetails(). This will check and retrieve only the details of the object (not the contents) of the object. It will throw a 404 if the ...
What is the difference between a framework and a library?
... sense of a classical library) and call it a "framework" because it sounds more fancy.
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How can I reset or revert a file to a specific revision?
...567 -- file1/to/restore file2/to/restore
The git checkout man page gives more information.
If you want to revert to the commit before c5f567, append ~1 (where 1 is the number of commits you want to go back, it can be anything):
git checkout c5f567~1 -- file1/to/restore file2/to/restore
As a si...
How to repeat a string a variable number of times in C++?
...return os.str();
}
Depending on the implementation, this may be slightly more efficient than simply concatenating the string n times.
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Multiple returns from a function
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Technically, you can't return more than one value. However, there are multiple ways to work around that limitation. The way that acts most like returning multiple values, is with the list keyword:
function getXYZ()
{
return array(4,5,6);
}
list($x,$...
How can I trim beginning and ending double quotes from a string?
...\"$ for this.
E.g.
string = string.replaceAll("^\"|\"$", "");
To learn more about regular expressions, have al ook at http://regular-expression.info.
That said, this smells a bit like that you're trying to invent a CSV parser. If so, I'd suggest to look around for existing libraries, such as Op...
Azure Blob Storage vs. File Service [closed]
... are stated as "the way to do it." However, they're not absolutes. They're more like suggestions, within that scenario. There are cases where you wouldn't want to use the Azure API directly, even with a new app. Likewise, there are cases where you may want to rework existing apps to use the Azure AP...
How to find a text inside SQL Server procedures / triggers?
...red procedure names that contain text like 'User' inside stored procedure. More info
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Is there any pythonic way to combine two dicts (adding values for keys that appear in both)?
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119
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Reset push notification settings for app
...ut actually waiting a
day by setting the system clock
forward a day or more, turning the
device off completely, then turning
the device back on.
Update: As noted in the comments below, this solution stopped working since iOS 5.1. I would encourage filing a bug with Apple so they can update...