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How to determine if one array contains all elements of another array
...oing (a1 & a2) instead of (a2 & a1), which is why I was seeing the error. You are right about & retaining the order from the first array.
– CubaLibre
Aug 23 '12 at 13:35
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Regular expression for floating point numbers
...ogramming in:
// will most likely result in an "Illegal escape character" error
String wrongPattern = "\.";
// will result in the string "\."
String correctPattern = "\\.";
All this escaping can get very confusing. If the language you are working with supports raw strings, then you should use tho...
Auto start node.js server on boot
...
I got an error, but it worked with npm install qckwinsvc -g
– Adam Gerthel
Jun 15 '15 at 14:55
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Converting between datetime, Timestamp and datetime64
...e64 object to pandas.Timestamp:
In [16]: Timestamp(numpy.datetime64('2012-05-01T01:00:00.000000'))
Out[16]: <Timestamp: 2012-05-01 01:00:00>
I noticed that this doesn't work right though in NumPy 1.6.1:
numpy.datetime64('2012-05-01T01:00:00.000000+0100')
Also, pandas.to_datetime can be u...
Convert a Map to a POJO
...ctory().constructType(t));
} catch (Exception e) {
log.error("converting failed! aMap: {}, class: {}", getJsonString(aMap), t.getClass().getSimpleName(), e);
}
return null;
}
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Check if PHP session has already started
...Therefore when I have session_start() on this script I sometimes get the error message for "session already started". For that I've put these lines:
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C# switch on type [duplicate]
... performance with switch-case (because of the hashed keys) and not near as error prone, IMO.
– IAbstract
Dec 18 '10 at 15:32
1
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What are dictionary view objects?
...iew, how the iterator should behave is not well defined, which can lead to errors.
One advantage is that looking at, say, the keys uses only a small and fixed amount of memory and requires a small and fixed amount of processor time, as there is no creation of a list of keys (Python 2, on the other...
How do I expire a PHP session after 30 minutes?
...file_exists($path)) {
if(!mkdir($path, 600)) {
trigger_error("Failed to create session save path directory '$path'. Check permissions.", E_USER_ERROR);
}
}
ini_set("session.save_path", $path);
// Set the chance to trigger the garbage collection.
ini_set("...
How to use System.Net.HttpClient to post a complex type?
...sing this method, and passing it that way, but I get a 500 Internal Server Error. It never hits the web api controller method.
– indot_brad
Apr 24 '12 at 20:14
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