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pandas GroupBy columns with NaN (missing) values
... running an SQL server and querying the tables from there (looks a bit too complicated), or looking another library in spite of Pandas, or use my own (that I want to get rid of). Thx
– Gyula Sámuel Karli
Aug 26 '13 at 20:52
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Confused about __str__ on list in Python [duplicate]
Coming from a Java background, I understand that __str__ is something like a Python version of toString (while I do realize that Python is the older language).
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Processing $http response in service
...hen(function(d) {
$scope.data = d;
});
});
Here is a slightly more complicated version that caches the request so you only make it first time (http://plnkr.co/edit/2yH1F4IMZlMS8QsV9rHv?p=preview):
app.factory('myService', function($http) {
var promise;
var myService = {
async: funct...
How to list the files inside a JAR file?
...und Files.walk() or java.util.Stream in Java 7, but in Java 8: docs.oracle.com/javase/8/docs/api/java/nio/file/Files.html
– Bruce Sun
Jan 22 '16 at 6:17
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Completion handler for UINavigationController “pushViewController:animated”?
...uld make sense to encapsulate the code within CATransaction and thus set a completion block.
Swift:
For swift I suggest creating an extension as such
extension UINavigationController {
public func pushViewController(viewController: UIViewController,
animated: ...
“ImportError: No module named” when trying to run Python script
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This issue arises due to the ways in which the command line IPython interpreter uses your current path vs. the way a separate process does (be it an IPython notebook, external process, etc). IPython will look for modules to import that are not only found in your sys.path,...
How to assign the output of a command to a Makefile variable
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shell is not a standard Make builtin command. This is a GNU Make builtin.
– Dereckson
Feb 18 '14 at 20:17
14
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advantage of tap method in ruby
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I don't find this use very compelling - arguably no more readable, that's why were on this page. Without a strong readability argument, I compared speed. My tests indicate a 45% additional runtime for simple implementations of the above, diminishing ...
Using socket.io in Express 4 and express-generator's /bin/www
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How can I determine if a .NET assembly was built for x86 or x64?
...MSIL
Flags : PublicKey
HashAlgorithm : SHA1
VersionCompatibility : SameMachine
KeyPair :
FullName : Microsoft.GLEE, Version=1.0.0.0, Culture=neut...
Here, ProcessorArchitecture identifies target platform.
Amd64: A 64-bit processor based on the...