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How to handle Handler messages when activity/fragment is paused
...r are not required to setup any special permissions on your app's manifest file except if you plan to use sendStickyBroadcast(where you need to add BROADCAST_STICKY).
public class MyFragment extends Fragment {
public static final String INTENT_FILTER = "gr.tasos.myfragment.refresh";
pri...
Programmer Puzzle: Encoding a chess board state throughout a game
...We could simply store the the text of the move here (“e4”, “Bxb5”, etc). Including a terminating byte you’re looking at about 6 bytes (48 bits) per move (worst case). That’s not particularly efficient.
The second thing to try is to store the starting location (6 bits) and end location (...
Performance of FOR vs FOREACH in PHP
...is not the only criteria to choose what to adopt. especially in such a farfetched case. Frankly, you're just wasting your time
– Your Common Sense
Aug 7 '10 at 14:31
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When do I use a dot, arrow, or double colon to refer to members of a class in C++?
...ect a. So, primarily, a is an object and b is a member (function/ variable etc) of a.
Arrow operator is used in indirect member selection scenarios.
print(a->b)
Here, we are accessing b which is a member of the object, that is pointed to by a. It is shorthand of (*a).b and so here, a is pr...
What is the performance cost of having a virtual method in a C++ class?
...predicted. This can cause a large pipeline bubble as the processor cannot fetch any instructions until the indirect jump (the call through the function pointer) has retired and a new instruction pointer computed. So, the cost of a virtual function call is much bigger than it might seem from looking ...
What is the meaning of the term arena in relation to memory?
...-writing your own, namely that you don't have to write/test/debug/maintain etc. Even if you're certain with no evidence that you can improve performance by managing your own allocation, you still need good evidence before deciding that this improvement is worth the tradeoff.
– ...
How to color System.out.println output? [duplicate]
... doesn't work for me... i try inside eclipse, and calling jar file from cmd
– Lele
Jul 23 '15 at 15:33
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What are Vertex Array Objects?
...er the actions you did, such as activate this attribute, bind that buffer, etc. When you call glBindVertexArray( yourVAOId ), it simply replays those attribute pointer bindings and buffer bindings.
So your next call to draw uses whatever was bound by the VAO.
VAO's don't store vertex data. No. ...
How to determine if a number is a prime with regex?
...NLY of the previous character or group. So this is not "two or four or six etc. characters", but rather "two or three etc." The +? is like +, but it tries to match as few characters as possible. + normally tries to gobble the whole string if it can, which is bad in this case because it prevents the ...
Graph Algorithm To Find All Connections Between Two Arbitrary Vertices
...all nodes with distance 0 to the root, then those with distance 1, then 2, etc.
– mweerden
Sep 12 '08 at 20:48
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