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Regular cast vs. static_cast vs. dynamic_cast [duplicate]
I've been writing C and C++ code for almost twenty years, but there's one aspect of these languages that I've never really understood. I've obviously used regular casts i.e.
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Authoritative position of duplicate HTTP GET query keys
I am having trouble on finding authoritative information about the behavior with HTTP GET query string duplicate fields, like
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Sort a text file by line length including spaces
...ion.)
Why the question's attempted solution fails (awk line-rebuilding):
It is interesting to note the difference between:
echo "hello awk world" | awk '{print}'
echo "hello awk world" | awk '{$1="hello"; print}'
They yield respectively
hello awk world
hello awk world
The relevan...
Remove Project from Android Studio
...ow how to remove a project from Android Studio in an attempt to re- export it from Eclipse?
14 Answers
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Convert a list to a string in C#
...indedString = string.Join( ",", myList.ToArray() );
You can replace "," with what you want to split the elements in the list by.
Edit: As mention in the comments you could also do
string combindedString = string.Join( ",", myList);
Reference:
Join<T>(String, IEnumerable<T>)
Conca...
SQL - find records from one table which don't exist in another
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There's several different ways of doing this, with varying efficiency, depending on how good your query optimiser is, and the relative size of your two tables:
This is the shortest statement, and may be quickest if your phone book is very short:
SELECT *
FROM Call
W...
Using different Web.config in development and production environment
...tion string and SMTP server address in my ASP.NET application depending on it is run in development or production environment.
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Get fragment (value after hash '#') from a URL in php [closed]
...the hash mark or anchor as shown in a user's browser: This isn't possible with "standard" HTTP as this value is never sent to the server (hence it won't be available in $_SERVER["REQUEST_URI"] or similar predefined variables). You would need some sort of JavaScript magic on the client side, e.g. to ...
What APIs are used to draw over other apps (like Facebook's Chat Heads)?
...his permission; these windows are intended
for system-level interaction with the user.
Constant Value: "android.permission.SYSTEM_ALERT_WINDOW"
//EDIT:
The full code here:
public class ChatHeadService extends Service {
private WindowManager windowManager;
private ImageView chatHead;
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Queue.Queue vs. collections.deque
...tended as a datastructure. That's why Queue.Queue has methods like put_nowait(), get_nowait(), and join(), whereas collections.deque doesn't. Queue.Queue isn't intended to be used as a collection, which is why it lacks the likes of the in operator.
It boils down to this: if you have multiple thread...