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How do you search an amazon s3 bucket?
...is key/value based there is no native way to access many nodes at once ala more traditional datastores that offer a (SELECT * FROM ... WHERE ...) (in a SQL model).
What you will need to do is perform ListBucket to get a listing of objects in the bucket and then iterate over every item performing a ...
“open/close” SqlConnection or keep open?
...he connection. Especially for beginners and newcomers to a code base. It's more explicit and readable.
– edhedges
Jul 25 '14 at 19:39
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How to sort a list of objects based on an attribute of the objects?
...in function...
newlist = sorted(ut, key=lambda x: x.count, reverse=True)
More on sorting by keys.
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How to get folder path from file path with CMD
...or the folder name and drive, you can use:
echo %~dp0
You can get a lot more information using different modifiers:
%~I - expands %I removing any surrounding quotes (")
%~fI - expands %I to a fully qualified path name
%~dI - expands %I to a drive letter only
%~pI - e...
Why implement interface explicitly?
...ave a function's public implementation of a method return a value which is more specific than specified in an interface.
For example, an object can implement ICloneable, but still have its publicly-visible Clone method return its own type.
Likewise, an IAutomobileFactory might have a Manufactu...
How to draw border on just one side of a linear layout?
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@jbenowitz: The order of the item in layer-list is more important. If u reverse then you will get those result.
– Vivek Khandelwal
May 15 '13 at 7:25
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How can i tell if an object has a key value observer attached
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Proper way to make HTML nested list?
... W3C ul spec: HTML5 ul. Note that a ul element may contain exactly zero or more li elements. The same applies to HTML5 ol.
The description list (HTML5 dl) is similar, but allows both dt and dd elements.
More Notes:
dl = definition list.
ol = ordered list (numbers).
ul = unordered list (bullets)....
Objective-C implicit conversion loses integer precision 'NSUInteger' (aka 'unsigned long') to 'int'
...NSUInteger count;
or (if you are sure that your array will never contain more than 2^31-1 elements!),
add an explicit cast:
int count = (int)[myColors count];
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Does async(launch::async) in C++11 make thread pools obsolete for avoiding expensive thread creation
...for creating a thread to handle a function call is something like 10000 or more times slower than a plain function call. So, if you're issuing a lot of small function calls, a thread pool might be a good idea.
It's quite apparent that the standard C++ library that ships with g++ doesn't have thread...