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Using Auto Layout in UITableView for dynamic cell layouts & variable row heights
...oject - Requires iOS 8
iOS 7 Sample Project - Works on iOS 7+
Conceptual Description
The first 2 steps below are applicable regardless of which iOS versions you are developing for.
1. Set Up & Add Constraints
In your UITableViewCell subclass, add constraints so that the subviews of the cell...
Regex Pattern to Match, Excluding when… / Except between
...er-Known Variation
There is a variation using syntax specific to Perl and PHP that accomplishes the same. You'll see it on SO in the hands of regex masters such as CasimiretHippolyte and HamZa. I'll tell you more about this below, but my focus here is on the general solution that works with all reg...
What is a monad?
...hematician. An alternative term is computation builder which is a bit more descriptive of what they are actually useful for.
They are a pattern for chaining operations. It looks a bit like method chaining in object-oriented languages, but the mechanism is slightly different.
The pattern is mostly us...
How to choose an AES encryption mode (CBC ECB CTR OCB CFB)?
...how cryptography breaks the first paragraph is much more on-topic than the description of the modes.
– Perseids
Aug 6 '14 at 9:17
38
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What are the main disadvantages of Java Server Faces 2.0?
...t run-time. This might be fine for dynamically typed language like Ruby or PHP, but if I have to withstand the sheer bloat of the Java ecosystem, I demand typing for my templates.
To sum up: The time you will save with JSF, from avoiding to write the JSP/servlet/bean boilerplate code, you'll spent...
Map Tiling Algorithm
...le:Object, degrees:uint):void
{
// http://www.flash-db.com/Board/index.php?topic=18625.0
var midPoint:int = tileDimension/2;
var point:Point=new Point(tile.x+midPoint, tile.y+midPoint);
var m:Matrix=tile.transform.matrix;
m.tx -= point.x;
m.ty -= point.y;
m.rotate (degree...
Callback functions in C++
... in C++(11)?
See C++ concepts: Callable on cppreference for a more formal description.
Callback functionality can be realized in several ways in C++(11) since several different things turn out to be callable*:
Function pointers (including pointers to member functions)
std::function objects
Lambd...
OceanBase使用libeasy原理源码分析：服务器端 - 数据库(内核) - 清泛网 - ...
...表中
easy_list_t conn_list_node;
// file description
// default_message_len 默认是16， 大小是8KB, first_message_len默认是2， 大小是1KB
// libeasy对于每个连接收数据的时候，如果上次对于这个连接已经收到了1个或者n...
REDHAT 6.4 X64下ORACLE 11GR2静默安装 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
... variable is considered only if 'EEOptionsSelection' is set to true.
#
# Description: List of Enterprise Edition Options you would like to enable. 选择你想用的组件列表
#
# The following choices are available. You may specify any
# combination of these choice...
When to use volatile with multi threading?
...ogram stuck in optimized mode but runs normally in -O0 is an example (with description of GCC's asm output) of how exactly this happens with GCC on x86-64. Also MCU programming - C++ O2 optimization breaks while loop on electronics.SE shows another example.
We normally want aggressive optimization...