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Pointer arithmetic for void pointer in C
...pe (say int , char , float , ..) is incremented, its value is increased by the size of that data type. If a void pointer which points to data of size x is incremented, how does it get to point x bytes ahead? How does the compiler know to add x to value of the pointer?
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What is the difference between JDK dynamic proxy and CGLib?
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JDK Dynamic proxy can only proxy by interface (so your target class needs to implement an interface, which is then also implemented by the proxy class).
CGLIB (and javassist) can create a proxy by subclassing. In this scenario the proxy becomes a subclass o...
What is the difference between an int and a long in C++?
...ummarize:
OS arch size
Windows IA-32 4 bytes
Windows Intel 64 4 bytes
Windows IA-64 4 bytes
Linux IA-32 4 bytes
Linux Intel 64 8 bytes
Linux IA-64 8 bytes
Mac OS X IA-32 4 bytes
Mac OS X ...
Difference between FetchType LAZY and EAGER in Java Persistence API?
...t still be open when the target entities want to be loaded into the memory by invoking the getter method (e.g. getStudents()), but sometimes this is not possible, because by the time this method is called, the session is already closed and the entity detached. Similarly, sometimes we have a client/s...
When should you NOT use a Rules Engine? [closed]
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Don't know if that's what you'd call it. What changes by using that name? Nothing that I can see...
– duffymo
Nov 12 '13 at 0:21
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Allowed memory size of 33554432 bytes exhausted (tried to allocate 43148176 bytes) in php
...Check for infinite loops.
If that isn't the problem, try and help out PHP by destroying objects that you are finished with by setting them to null. eg. $OldVar = null;
Check the code where the error actually happens as well. Would you expect that line to be allocating a massive amount of memory? I...
Android How to adjust layout in Full Screen Mode when softkeyboard is visible
...y activity) {
FrameLayout content = (FrameLayout) activity.findViewById(android.R.id.content);
mChildOfContent = content.getChildAt(0);
mChildOfContent.getViewTreeObserver().addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() {
public void onGl...
Correct Bash and shell script variable capitalization
...t there is a severe misunderstanding with that. My understanding is that, by convention (and perhaps by necessity long ago), environment variables are in all-caps.
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Difference between Pragma and Cache-Control headers?
...fference, except that Pragma is only defined as applicable to the requests by the client, whereas Cache-Control may be used by both the requests of the clients and the replies of the servers.
So, as far as standards go, they can only be compared from the perspective of the client making a requests ...
What is the proper way to URL encode Unicode characters?
...ut that doesn't seem like a wise choice since the scheme has been rejected by the W3C.
5 Answers
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