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iOS - forward all touches through a view
...ents to be forwarded to:
SomeViewSubclass *view = [[[SomeViewSubclass alloc] initWithFrame:someRect] autorelease];
view.forwardableTouchee = someOtherView;
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How do I solve the INSTALL_FAILED_DEXOPT error?
...k space" error - and looking at the emulator properties, the default space allocated for internal storage is 800MB which seems low.
Solution, therefore was to increase this (I went to 4GB). Oddly the emulator still boots with the same disk space warning but factory resetting it (Settings --> Bac...
Getting the current Fragment instance in the viewpager
...since it handle it by itself. The ViewPager decide when fragment should be allocated or not, what to pause and when, keeping a reference on every fragment will add some useless overhead and is not optimized for the memory.
– Livio
Nov 6 '15 at 15:17
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How do I clone a generic list in C#?
... I think List.ConvertAll might do this in faster time, since it can pre-allocate the entire array for the list, versus having to resize all the time.
– MichaelGG
Oct 21 '08 at 17:43
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腾讯Tencent开源框架介绍（持续更新） - 开源 & Github - 清泛网 - 专注C/C++及内核技术
..._t*)args;
int id = 0;
while (true)
{
stTask_t* task = (stTask_t*)calloc(1, sizeof(stTask_t));
task->id = id++;
env->task_queue.push(task);
printf("%s:%d produce task %d\n", __func__, __LINE__, task->id);
co_cond_signal(env->cond);
poll(NULL, 0, 1000);
}
return NULL;
}
v...
What is the difference between static_cast and C style casting?
... in a 4-byte pointer ( a pointer to 4-byte datatype) pointing to 1 byte of allocated memory, writing to this pointer will either cause a run-time error or will overwrite some adjacent memory.
*p = 5; // run-time error: stack corruption
In contrast to the C-style cast, the static cast will allow t...
Identify duplicates in a List
...timal solution (instead of sorting the input) then you'll also want to pre-allocate the size of the HashSet() objects. Without the preallocation, you don't get O(1) insert time when inserting into the HashSet(). This is because the internal hash array gets repeatedly resized. The inserts then averag...
How do I put the image on the right side of the text in a UIButton?
...bclass. If you want to create an instance of a specific subclass, you must alloc/init the button directly and backgroundRectForBounds Subclasses that provide custom background adornments can override this method and return a modified bounds rectangle to prevent the button from drawing over any custo...
Using Java 8 to convert a list of objects into a string obtained from the toString() method
...d guess that iterative string concatenation (reduction) requires array (re)allocation at each iteration, which makes it O(n^2). join on the other side would preallocate a single array large enough to store the final string before populating it, making it O(n).
– Eli Korvigo
...
What characters are forbidden in Windows and Linux directory names?
...es. He used that directory for all manner of tests of pattern-matching and tokenization. (The test directory was of course created by a program.) For years afterwards, that directory was the bane of file-tree-walking programs; it tested them to destruction.
Note that the directory must have contai...