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Is it necessary to explicitly remove event handlers in C#
...he object which publishes the events which keeps the targets of the event handlers live. So if I have:
publisher.SomeEvent += target.DoSomething;
then publisher has a reference to target but not the other way round.
In your case, the publisher is going to be eligible for garbage collection (assu...
Using variables inside a bash heredoc
... here-document
delimiter
No parameter expansion, command substitution, arithmetic expansion, or
pathname expansion is performed on word. If any characters in word are
quoted, the delimiter is the result of quote removal on word, and the
lines in the here-document are n...
How to get the first element of the List or Set? [duplicate]
... for most implementations of Set. This may have meaning for LinkedHashSet and TreeSet, but not for HashSet.)
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Modify/view static variables while debugging in Eclipse
... frame. It shows all the values of member variables of the current object, and all of the local variables, but it doesn't show any static variables of the object's class.
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Google Maps V3 - How to calculate the zoom level for a given bounds
...e willing to change the size of the map div, you have to choose which size and corresponding zoom level you change to (roughly speaking, do you make it larger or smaller than it currently is?).
If you really need to calculate the zoom, rather than store it, this should do the trick:
The Mercator p...
Passing command line arguments to R CMD BATCH
.... I am now at the point where I would like to pass an argument to the command, but am having some issues getting it working. If I do R CMD BATCH my_script.R blabla then blabla becomes the output file, rather than being interpreted as an argument available to the R script being executed.
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How to Remove ReadOnly Attribute on File Using PowerShell?
...t-Property is the only built-in way you can cleanly do it on the pipeline, and using wildcards: { sp *.txt IsReadOnly $false } OR { ls . -recurse -include *.cs | sp -name IsReadOnly -value $false }
– Jaykul
May 27 '09 at 14:45
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How can I convert an image into Base64 string using JavaScript?
...the HTML5 <canvas> for it:
Create a canvas, load your image into it and then use toDataURL() to get the Base64 representation (actually, it's a data: URL, but it contains the Base64-encoded image).
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Scala: Abstract types vs generics
...s Type System
A Conversation with Martin Odersky, Part III
by Bill Venners and Frank Sommers (May 18, 2009)
Update (October2009): what follows below has actually been illustrated in this new article by Bill Venners:
Abstract Type Members versus Generic Type Parameters in Scala (see summary at the ...
TargetedPatchingOptOut: “Performance critical to inline across NGen image boundaries”?
Been going through some framework classes using reflector and noticed a number of the methods and properties have the following attribute
...