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Animate change of view controllers without using navigation controller stack, subviews or modal cont
...ngWithOptions:(NSDictionary *)launchOptions
{
self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
MyViewController *vc = [[MyViewContoller alloc] init...];
self.transitionController = [[TransitionController alloc] initWithViewController:vc];
self.window.roo...
Why start an ArrayList with an initial capacity?
...ity. If you don't do this, the internal array will have to be repeatedly reallocated as the list grows.
The larger the final list, the more time you save by avoiding the reallocations.
That said, even without pre-allocation, inserting n elements at the back of an ArrayList is guaranteed to take to...
How to use enums in C++
...++ developer might call a 'dot operator' the C++ compiler can only call a 'token'. When it gets that hard to understand the error messages there is something wrong with the language I think.
– Travis
Jul 6 '16 at 19:27
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JSON: why are forward slashes escaped?
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PHP escapes forward slashes by default which is probably why this appears so commonly. I'm not sure why, but possibly because embedding the string "</script>" inside a <script> tag is considered unsafe.
This func...
MySQL 'create schema' and 'create database' - Is there any difference
...ng to a default schema called dbo. When you query a table that hasn't been allocated to any particular schema, you can do something like:
SELECT *
FROM your_table
which is equivalent to:
SELECT *
FROM dbo.your_table
Now, SQL server allows the creation of different schema, which gives you the p...
Can I use Objective-C blocks as properties?
... @CharlieMonroe - Yes you are probably right, but dont you need a dealloc implementation to nil or release the block property without ARC? (its been a while since I used non-ARC)
– Robert
Mar 31 '13 at 21:58
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How does Facebook Sharer select Images and other metadata when sharing my URL?
...t of facebookexternalhit/1.1 (+https://www.facebook.com/externalhit_uatext.php), will access your page and cache the meta information. To force Facebook servers to clear the cache, use the Facebook Url Debugger / Linter Tool that they launched in June 2010 to refresh the cache and troubleshoot any ...
Increase heap size in Java
...
It is possible to increase heap size allocated by the JVM by using command line options
Here we have 3 options
-Xms<size> set initial Java heap size
-Xmx<size> set maximum Java heap size
-Xss<size> set java thread stack si...
Detecting request type in PHP (GET, POST, PUT or DELETE)
How can I detect which request type was used (GET, POST, PUT or DELETE) in PHP?
13 Answers
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ios app maximum memory budget
...void the instant memory splashes (e.g. you're using 40 Mb of RAM, and then allocating 80 Mb's more for some short computation). In this case iOS would kill your application immediately.
You should also consider lazy loading of assets (load them only when you really need and not beforehand).
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