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Questions every good .NET developer should be able to answer? [closed]
... which hooks onto the custom event handler.
(XML) Load an XML document and select all of the nodes with properties x, y, and z.
(Functional programming) Create a function that accepts another function as a parameter. A Map or Fold function works really good for this.
(Reflection) Write a function wh...
Do sessions really violate RESTfulness?
...H,
is able to create their own transitions at any time (e.g., enter
a URL, select a bookmark, open an editor, etc.)."
Going to the issue of authentication, whether it is accomplished through cookies or headers, as long as the information isn't part of the URI and POST payload, it really has nothi...
Flags to enable thorough and verbose g++ warnings
... when you enable a flag that enables multiple warnings, but you want to be selective about it.
– Tamás Szelei
Mar 25 '12 at 22:26
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Git workflow and rebase vs merge questions
...lligent use of interactive rebase and tools like tortoisegit (which allows selection of which commits to include) will help a lot.
– prusswan
Jun 27 '12 at 11:02
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Best explanation for languages without null
...ilable: isShut==false && isLocked==true. Because the types I have selected as my representation admit this state, I must expend mental effort to ensure that the class never gets into this state (perhaps by explicitly coding an invariant). In contrast, if I were using a language with algebr...
Difference between Covariance & Contra-variance
...vide so-called “multiple dispatch” or multi methods (this is basically selecting function overloads at run time, e.g. with CLOS) or get the desired effect by using dynamic typing.
share
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improv...
How well is Unicode supported in C++11?
...port is quite good, though: it supports detecting endianess from a BOM, or selecting it explicitly in code. It also supports producing output with and without a BOM.
There are some more interesting conversion possibilities absent. There is no way to deserialize from an UTF-16 byte stream or string ...
【BLE技术内幕】BLE技术揭秘 - 创客硬件开发 - 清泛IT论坛，有思想、有深度
...层做得好不好，直接决定整个BLE芯片的功耗，灵敏度以及selectivity等射频指标。Link Layer，简称：LL，链路层。LL层是整个BLE协议栈的核心，也是BLE协议栈的难点和重点。像Nordic的BLE协议栈能同时支持20个link（连接），就是LL层的功...
How do you parse and process HTML/XML in PHP?
...set to convert XML to an object that can be processed with normal property selectors and array iterators.
SimpleXML is an option when you know the HTML is valid XHTML. If you need to parse broken HTML, don't even consider SimpleXml because it will choke.
A basic usage example can be found at A s...
How can I improve my paw detection?
... I'll give it a whack...
To detect individual paws, you should first only select everything with a pressure greater than some small threshold, very close to no pressure at all. Every pixel/point that is above this should be "marked." Then, every pixel adjacent to all "marked" pixels becomes marke...