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How to get the source directory of a Bash script from within the script itself?
...ame "$SOURCE" )" >/dev/null 2>&1 && pwd )"
SOURCE="$(readlink "$SOURCE")"
[[ $SOURCE != /* ]] && SOURCE="$DIR/$SOURCE" # if $SOURCE was a relative symlink, we need to resolve it relative to the path where the symlink file was located
done
DIR="$( cd -P "$( dirname "$SOU...
How much size “Null” value takes in SQL Server
... have a query that does null value takes any size or no size in bytes. I read few articles some of them are saying :
4 Answ...
How do I convert between big-endian and little-endian values in C++?
...as well.
16 bit swap it's just a bit-rotate.
Calling the intrinsics instead of rolling your own gives you the best performance and code density btw..
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Android Spanned, SpannedString, Spannable, SpannableString and CharSequence
...f the text, where those spans cannot be modified.
Spannable is a Spanned, adding in the ability to modify the spans (to add or remove formatting), but not to modify the text itself.
SpannedString is a concrete implementation of the Spanned interface.
SpannableString is a concrete implementation o...
How to create a custom string representation for a class object?
...lass C(object):
__metaclass__ = MC
print C
Use __str__ if you mean a readable stringification, use __repr__ for unambiguous representations.
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Is it possible to for SQL Output clause to return a column not being inserted?
I've made some modifications to my database and I need to migrate the old data to the new tables. For that, I need to fill a table (ReportOptions) taking the data from the original table (Practice), and fill a second intermediate table (PracticeReportOption).
...
Why use make over a shell script?
...ly accomplish the same thing in a minute or two...
I should probably also add that there are quite a few alternatives to make that have at least broadly similar capabilities. Especially in cases where only a few files in a large project are being rebuilt, some of them (e.g., Ninja) are often consid...
How to call any method asynchronously in c#
...and gives a clean way to fire-and-forget for async jobs:
using System.Threading.Tasks;
...
void Foo(){}
...
new Task(Foo).Start();
If you have methods to call that take parameters, you can use a lambda to simplify the call without having to create delegates:
void Foo2(int x, string y)
{
retu...
Safari 3rd party cookie iframe trick no longer working?
...to a hidden iframe. It (used to) trick Safari into thinking that the user had interacted with the 3rd party content and so then allow cookies to be set.
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Are there benefits of passing by pointer over passing by reference in C++?
... a chance that you could want to pass "no object", then use a pointer instead of a reference.
Also, passing by pointer allows you to explicitly see at the call site whether the object is passed by value or by reference:
// Is mySprite passed by value or by reference? You can't tell
// without lo...