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Arrow operator (->) usage in C
...g a book called "Teach Yourself C in 21 Days" (I have already learned Java and C# so I am moving at a much faster pace). I was reading the chapter on pointers and the -> (arrow) operator came up without explanation. I think that it is used to call members and functions (like the equivalent of...
What is the meaning of the planned “private protected” C# access modifier?
...uage feature implementation status , with planned language features for C# and VB.
6 Answers
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How to find unused/dead code in java projects [closed]
...n large java projects? Our product has been in development for some years, and it is getting very hard to manually detect code that is no longer in use. We do however try to delete as much unused code as possible.
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Checking for the correct number of arguments
...s to invoke the script without passing in the correct number of arguments, and checking to make sure the command line argument actually exists and is a directory.
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How to flatten an ExpandoObject returned via JsonResult in asp.net mvc?
I really like the ExpandoObject while compiling a server-side dynamic object at runtime, but I am having trouble flattening this thing out during JSON serialization. First, I instantiate the object:
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How to convert an int to a hex string?
...e chr function.
You seem to be mixing decimal representations of integers and hex representations of integers, so it's not entirely clear what you need. Based on the description you gave, I think one of these snippets shows what you want.
>>> chr(0x65) == '\x65'
True
>>> hex(65...
What is the proper way to check if a string is empty in Perl?
... comparisons in Perl, use eq or ne:
if ($str eq "")
{
// ...
}
The == and != operators are numeric comparison operators. They will attempt to convert both operands to integers before comparing them.
See the perlop man page for more information.
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How do I delete an exported environment variable?
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unset is the command you're looking for.
unset GNUPLOT_DRIVER_DIR
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How to create PDF files in Python [closed]
I'm working on a project which takes some images from user and then creates a PDF file which contains all of these images.
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How to disable action bar permanently
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If you are using Theme.Holo.Light and want to use the Theme.Holo.Light.NoActionBar variant on pre 3.2 devices you can add this to your styles.xml:
<style name="NoActionBar" parent="@android:style/Theme.Holo.Light">
<item name="android:windowActi...