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What is global::?
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It's a sometime-necessary prefix indicating the root namespace.
It's often added to generated code to avoid name clashes with user code.
For example, imagine you had a class called System, but then you wanted to use System.String. You could use global::System.String to d...
海量数据相似度计算之simhash短文本查找 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...快的返回一个value，这个号称查找速度最快的数据结构是如何实现的呢？看下hashmap的内部结构：
如果我们需要得到key对应的value，需要经过这些计算，传入key，计算key的hashcode，得到7的位置；发现7位置对应的value还有好几个，...
Excel RTD(Excel Real-Time Data)实时刷新数据技术 - C/C++ - 清泛网 - 专注C/C++及内核技术
...时行情
上面简单讲解了RTD函数的基本原理，接下来演示如何通过Excel RTD来实现从Google Fiancial API中获取实时行情并刷新数据，Google Financal API，提供了世界各大交易所的实时行情数据，其支持的市场及时效性在其官网上有说明，...
How to reset a single table in rails?
...ipes all data and resets the autoincrement counters in the table. Works in MySQL and Postgres, does not work in Sqlite.
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Select2 doesn't work when embedded in a bootstrap modal
... @DrewInTheMountains I also had issues setting the dropdownParent to the root of the modal, it's indeed better to choose the body, otherwise you get really bad positioning bugs when scrolling. I set mine to the div with class modal-content and it works like a charm!
– Shahin ...
Copying files into the application folder at compile time
...n\debug\ folder on compilation, then it seems I have to put them into the root of the project. Putting them into a subfolder seems to copy them into the .\bin\debug\ folder in the same structure they're stored in.
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Proper way to implement IXmlSerializable?
...ore returning. Is this true? And what about WriteXml - should it write a root element for the object or is it assumed that the root is already written? How should child objects be treated and written?
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CSS: 100% font size - 100% of what?
...e "rem" instead of "em" to always scale a specific element relative to the root (html element, or browser default). Can be useful with a complex hierarchy of relatively-sized elements.
– Beejor
Aug 5 '16 at 1:16
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Is there a performance difference between i++ and ++i in C++?
...it, even if you are not right now.
Knuth.
Premature optimization is the root of all evil. As is premature pessimization.
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Custom UITableViewCell from nib in Swift
...rface file and name it MyCustomCell.xib.
Add a UITableViewCell as the root of your xib file and any other visual components you want.
Create a cocoa touch class file with class name MyCustomCell as a subclass of UITableViewCell.
Set the custom class and reuse identifier for your cus...