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Get type of all variables
...und trip casts/coercions that occur when assigning and reading data to and from disk.
Ideology around R's triad typing system:
R's duck typing system has uncertainty in it. As an analogy, consider a ceramic cup, it can be used to hold a liquid, or used as a projectile like a baseball. The purpos...
Which is faster: while(1) or while(2)?
...? Or is this a clue that I'm reading generated code? Is it a bug resulting from an ill-advised find-and-replace-all, or a bad merge, or a cosmic ray? Maybe this line of code is supposed to do something dramatically different. Maybe it was supposed to read while(w) or while(x2). I'd better find the a...
Is it possible to override the configuration of a plugin already defined for a profile in a parent P
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Overriding configurations from a parent pom can be done by adding the combine.self="override" attribute to the element in your pom.
Try changing your plugin configuration to:
<plugin>
<groupId>org.apache.maven.plugins</group...
Create a menu Bar in WPF?
... it doesn't give you any items to put in the bar. You need something like (from one of my own projects):
<!-- Menu. -->
<Menu Width="Auto" Height="20" Background="#FFA9D1F4" DockPanel.Dock="Top">
<MenuItem Header="_Emulator">
<MenuItem Header="Load..." Click="MenuItem_C...
Best way to convert IList or IEnumerable to Array
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@Shimmy: Yes there is... aside from anything else, it's telling the compiler what kind of array to expect! If you only want an object[] just use Cast<object>. The nongeneric IEnumerable doesn't have a ToArray extension method, so you can't just call ...
Calculate relative time in C#
...working on. My motivation here was to alert others that weeks were omitted from this code sample. As to how to do that, it seemed pretty straight forward to me.
– jray
Nov 9 '10 at 23:38
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super() fails with error: TypeError “argument 1 must be type, not classobj” when parent does not inh
...hat in Python 3.x, all classes are new-style. You can still use the syntax from the old-style classes but you get a new-style class. So, in Python 3.x you won't have this problem.
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improve th...
Disable a Maven plugin defined in a parent POM
...nterested.
The shortest form I found is further improvement on the example from λlex and bmargulies. The execution tag will look like:
<execution>
<id>TheNameOfTheRelevantExecution</id>
<phase/>
</execution>
2 points I want to highlight:
phase is set to no...
When to use actors instead of messaging solutions such as WebSphere MQ or Tibco Rendezvous?
...aCamel you can abstract away the queue and produce/consume messages direct from an actor without any code to deal with the message queue message pushing/pulling.
You can forego akka-zeromq and use Akka directly with remoting.
I think akka-zeromq is being removed from the core library but we built a...
The order of keys in dictionaries
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From http://docs.python.org/tutorial/datastructures.html:
"The keys() method of a dictionary object returns a list of all the keys used in the dictionary, in arbitrary order (if you want it sorted, just apply the sorted() fu...