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How to explain Katana and OWIN in simple words and uses?
...a specification on how web servers and web applications should be built in order to decouple them and allow movement of ASP.NET applications to environments which were not supported before.
Prior to OWIN, when building ASP.NET application, you were inherently bound to IIS due to the heavy dependenc...
Copy folder structure (without files) from one location to another
...xceed the maximum command length of the system when you start dealing with orders of hundreds or thousands, so use this with caution. (Find the command length limit with getconf ARG_MAX.) With a lot of directories, you may have to write a script to loop through the output instead.
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Best practice for storing and protecting private API keys in applications [closed]
...blic and private, often also referred to as secret, key. Unfortunately, in order to connect to the services, this private key must be used to authenticate and hence, probably be part of the application.
Needless to say, that this faces in immense security problem. Public and private API keys can be...
Rotating x axis labels in R for barplot
...produce a barplot with qsec colum information
mtcars = mtcars[with(mtcars, order(-qsec)), ] #order mtcars data set by column "qsec"
end_point = 0.5 + nrow(mtcars) + nrow(mtcars) - 1 #this is the line which does the trick (together with barplot "space = 1" parameter)
barplot(mtcars$qsec, col = "gre...
C++ map access discards qualifiers (const)
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By the way of explanation: what should map's operator[] do if the key does not exist? If the map is non-const, the key is added with default-constructed value. If the map const, what can be returned by operator[]? There is no...
How to pretty print XML from Java?
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Back in 2008 this was a good answer, but now this can all be done with standard JDK classes rather than Apache classes. See xerces.apache.org/xerces2-j/faq-general.html#faq-6. Yes this is a Xerces FAQ but the answer covers standard JDK classes. The initial 1.5 implementation of ...
IntelliJ gives Fatal Error: Unable to find package java.lang in classpath or bootclasspath
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Somehow the JDK language jars were removed from the classpath. All I had to do was reapply the JSDK home path.
Goto:
File -> Project Structure -> Platform Settings -> SDKs
Re-apply the JSDK home path.
Doing this added about 15 jars to the classpath. Apparently these are impo...
Get selected subcommand with argparse
... dest - name of the attribute under which sub-command name will be stored; by default None and no value is stored
In the example below of a simple task function layout using subparsers, the selected subparser is in parser.parse_args().subparser.
import argparse
def task_a(alpha):
print('tas...
How to count certain elements in array?
...me. And we can argue what is most elegant. E.g. for me, making a function call per element to just to compare it to a value is not elegant.
– Felix Kling
May 25 '11 at 8:33
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Django Passing Custom Form Parameters to Formset
... is the cleanest approach, and doesn't affect ServiceForm in any way (i.e. by making it difficult to subclass).
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