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Which comment style should I use in batch files?
...files, and I ran into this user guide , which has been quite informative. One thing it showed me was that lines can be commented not just with REM , but also with :: . It says:
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How does push notification technology work on Android?
...implemented their push notification feature? Does it work through polling done by a service running in the background or in a different way?
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How to change ProgressBar's progress indicator color in Android
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I copied this from one of my apps, so there's prob a few extra attributes, but should give you the idea. This is from the layout that has the progress bar:
<ProgressBar
android:id="@+id/ProgressBar"
style="?android:attr/progressBar...
What are all the user accounts for IIS/ASP.NET and how do they differ?
...ere is a whole slew of related user accounts, and I can't understand which one is which, how to they differ, and which one is REALLY the one that my app runs under. Here's a list:
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How to access command line arguments of the caller inside a function?
...function argv {
for a in ${BASH_ARGV[*]} ; do
echo -n "$a "
done
echo
}
function f {
echo f $1 $2 $3
echo -n f ; argv
}
function g {
echo g $1 $2 $3
echo -n g; argv
f
}
f boo bar baz
g goo gar gaz
Save in f.sh
$ ./f.sh arg0 arg1 arg2
f boo bar baz
farg2 ar...
Why use #ifndef CLASS_H and #define CLASS_H in .h file but not in .cpp?
... your .cpp file, open any files #included by it, concatenate them all into one massive text file, and then perform syntax analysis and finally it will convert it to some intermediate code, optimize/perform other tasks, and finally generate the assembly output for the target architecture. Because of...
What is the point of a private pure virtual function?
... You can read more about it in his article "Virtuality".
There is however one more interesting thing in the code you presented, that deserves some more attention, in my opinion. The public interface consists of a set of overloaded non-virtual functions and those functions call non-public, non-overl...
Is short-circuiting logical operators mandated? And evaluation order?
... this paragraph are the built-in operators, as described in clause 5. When one of these operators is overloaded (clause 13) in a valid context, thus designating a user-defined operator function, the expression designates a function invocation, and the operands form an argument list, without an impli...
jQuery Validate - require at least one field in a group to be filled
...'m using the excellent jQuery Validate Plugin to validate some forms. On one form, I need to ensure that the user fills in at least one of a group of fields. I think I've got a pretty good solution, and wanted to share it. Please suggest any improvements you can think of.
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How to implement a ConfigurationSection with a ConfigurationElementCollection
...ep running up against exceptions that I do not understand. I am hoping someone can fill in the blanks here.
5 Answers
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