John F. Dooley, Vera A. Kazakova · Apress eBooks · 2024
We are finally getting to the real heart of software development: writing the code. The purpose of this chapter is to provide some tips for writing better code, because we can all write better code. Our assumption throughout this discussion is that you already do know how to write code in at least one programming language. This chapter presents examples in a couple of languages, each chosen to best illustrate the points being made.
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Luo, Mengchen · Zenodo (CERN European Organization for Nuclear Research) · 2025
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International trade statistics yearbook · 2022
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2014
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Yongsong Wang, Yinsheng Liu, Rong Li · 2022
The construction of Polar code algorithm using reliability can be proved to be optimal under successive cancellation (SC) decoding algorithm, but for successive cancellation list (SCL) decoding algorithm, the construction method using reliability alone is not optimal. Based on the existing reliability construction method, this paper proposes a Polar code construction scheme which takes reliability and code spectrum into consideration, designs a new coding rule, and reduces the bit error rate (BER) without significantly increasing the coding complexity. Simulation results show that the proposed algorithm outperforms the original Polar code construction algorithm in SCL decoding.
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Dennis A. ANDREJKO · Berkshire Publishing Group eBooks · 2023
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Illinois., Illinois. Dept. of Public Health. · The Journal of the Abraham Lincoln Association
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Lecturer Venkatesan Guruswami, Scribe Paul Pham · 2006
In the last lecture, we introduced the first binary code with asymptotically positive rate and distance as well as an explicit polynomial-time construction. We give that construction in this lecture. In the process, we introduce an efficient decoder for Reed-Solomon codes. But first, we recall the Zyablov, Gilbert-Varshamov, and MRRW (record) bounds below: RZyablov(δ − 1 2 − ε) = Ω(ε3) (1)
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Lexer Parser · 2011
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George Stukhart, Stephen L. Pearce · Proceedings of the ... ISARC · 1988
Construction Bar Code Standards George Stukhart, Stephen L. Pearce Pages 361-370 (1988 Proceedings of the 5th ISARC, Tokyo, Japan, ISSN 2413-5844) Abstract: Automatic identification systems, particularly bar codes, are an essential link in achieving automated construction materials management system. There is a significant future in bar coding, as is evident in other industries. The opportunity to promote data transfer between organizations and companies has not been adequately explored. By following the research and procedures of other industries, it is possible to achieve such standardization. Texas A&M University has completed the first phase of research to determine strategies for achieving standardization. This research, and the background to bar code use, is discussed in the paper. Keywords: No keywords DOI: https://doi.org/10.22260/ISARC1988/0044 Download fulltext Download BibTex Download Endnote (RIS) TeX Import to Mendeley
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Greg Winkler · 2014
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New York (State). State Building Code Commission., New York (State). State Building Code Commission. State Building Construction Code. · The Journal of the Abraham Lincoln Association
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Ralf Giering, T. Kaminski · ACM Transactions on Mathematical Software · 1998
Adjoint models are increasingly being developed for use in meteorology and oceanography. Typical applications are data assimilation, model tuning, sensitivity analysis, and determination of singular vectors. The adjoint model computes the gradient of a cost function with respect to control variables. Generation of adjoint code may be seen as the special case of differentiation of algorithms in reverse mode, where the dependent function is a scalar. The described method for adjoint code generation is based on a few basic principles, which permits the establishment of simple construction rules for adjoint statements and complete adjoint subprograms. These rules are presented and illustrated with some examples. Conflicts that occur due to loops and redefinition of variables are also discussed. Direct coding of the adjoint of a more sophisticated model is extremely time consuming and subject to errors. Hence, automatic generation of adjoint code represents a distinct advantage. An implementation of the method, described in this article, is the tangent linear and adjoint model compiler (TAMC).
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Orhun Kara · Bilkent University Institutional Repository (Bilkent University) · 2003
CODE CONSTRUCTION ON MODULAR CURVES Orhun Kara Ph.D. in Mathematics Supervisor: Prof. Dr. Alexander Klyachko August, 2003 In this thesis, we have introduced two approaches on code construction on modular curves and stated the problems step by step. Moreover, we have given solutions of some problems in road map of code construction. One of the approaches uses mostly geometric and algebraic tools. This approach studies local invariants of the plane model Z0(`) of the modular curve Y0(`) given by the modular equation Φ` in affine coordinates. The approach is based on describing the hyperplane of regular differentials of Z0(`) vanishing at a given Fp2 rational point. As constructing a basis for the regular differentials of Z0(`), we need to investigate its singularities. We have described the singularities of Z0(`) for prime ` in both characteristic 0 and positive characteristic. We have shown that all singularities of of the affine part, Z0(`), are self intersections. These self intersections are all simple nodes in characteristic 0 whereas the order of contact of any two smooth branches passing though a singular point may be arbitrarily large in characteristic p > 3 where p 6= `. Moreover the self intersections in characteristic zero are double. Indeed, structure of singularities of the affine curve Z0(`) essentially depends on two types of elliptic curves: The singularities corresponding to ordinary elliptic curves and the singularities corresponding to supersingular elliptic curves. The singularities corresponding to ordinary elliptic curves are all double points even though they are not necessarily simple nodes as in the case of characteristic 0. The singularities corresponding to supersingular elliptic curves are the most complicated ones and it may happen that there are more then two smooth branches passing though such kind of a singular point. We have computed the order of contact of any two smooth branches passing though a singular point both for ordinary case and for supersingular case. iv
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Kathleen Uehling, Christine Spackman · Iowa Publications Online (State Library of Iowa) · 2008
Construction codes establish minimum standards for structural integrity, life safety, accessibility and energy conservation in construction of buildings and facilities intended for human occupancy. These requirements affect all of the major systems of buildings and facilities.
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KXAS-TV (Television station : Fort Worth, Tex.) · The Portal to Texas History (University of North Texas) · 1983
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C.P.M.J. Baggen, Ludo Tolhuizen · 2002
We introduce a new error correcting code, which we call the diamond code. Diamond codes combine the error correcting capabilities of product codes and the reduced memory requirements from CIRC, the code applied in the CD system.
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rcrbvnev · Zenodo (CERN European Organization for Nuclear Research) · 2024
<pre><code>\n<p><strong>2015 virginia construction code pdf</strong><br></p>\n<p>Rating: 4.7 / 5 (4269 votes)<br></p>\n<p>Downloads: 37864<br><br></p>\n <p>= = = = = \n<strong><a href="https://calendario2023.es/21Nr9y?keyword=2015 virginia construction code pdf" target="_blank">CLICK HERE TO DOWNLOAD</a></strong>\n = = = = = <br><br></p>\n<p><br><br><br><br></p>\n<p><br><br><br><br></p>\n<p><br><br>favorite_border sbco@ ow are links to the Virginia USBC documents, which contain only the specific Virginia amendments to the International Codes. Buildings or portions thereof shall be provided with a means of egress system as required by this chapter. The provisions of this chapter shall control the design and construction of facilities for accessibility for individuals with disabilitiesDesign. ICC Digital Codes is the largest provider of model codes, custom codes and standards used worldwide to construct safe, sustainable, affordable and resilient structuresThis ChapterAdministration. ChapterDefinitions. Table of Contents» Title Housing» AgencyDepartment of Housing And Community Development» Chapter Virginia Uniform Statewide Building Code. ChapterSpecial Detailed Requirements Based on Use and Occupancy. To view the complete codes (code cycle and newer) with the Virginia amendments incorporated, click here Administrative Code. ChapterSpecial Detailed Requirements Based on Use and Occupancy VIRGINIA EXISTING BUILDING CO HAPTERADMINISTRATION SECTION GENERAL Short title. The Virginia Uniform Statewide Building Code, Part II, VIRGINIA CONSTRUCTION CODE iii PREFACE Introduction The Virginia Uniform Statewide Building Code (USBC) is a state regulation promulgated by the Vir-ginia This document provides an overview and introduction to the Virginia Construction Code (VCC). They must also be used when maintaining or repairing an existing building or Introduction. ChapterUse and Occupancy Classification. ChapterDefinitions. SBCO@ Virginia Uniform Statewide Building Code (USBC) contains the building regulations that must be This is a fully integrated code based on the International Building Code®Virginia Construction Code (VCC) based on the International Building Code (IBC) ChapterAdministration. It discusses how the VCC is based on nationally recognized model building VIRGINIA EXISTING BUILDING CODE iii PREFACE Introduction The Virginia Uniform Statewide Building Code (USBC) is a state regulation promulgated by the Vir General. ChapterUse and Occupancy Classification. ChapterGeneral Building Heights and Areas. ChapterTypes of Construction Section GeneralScope. Chapter ; Create a Report; Print; Search Chapter The Virginia Uniform Statewide Building Code (USBC) is a state regulation promulgated by the Virginia Board of Housing and Community Development, a Governor-appointed board, for the purpose of establishing minimum regulations to govern the construction and maintenance of buildings and structures Exit discharge, Group IGroup I, Light, natural Occupant load Parking garage, open Unlimited area building, This is a fully integrated code based on the International Building Code® Search across Virginia Construction Code Sign In! appsVirginia Construction Code. Buildings and facilities shall be designed and constructed to be accessible in accordance with this code and ICC A VIRGINIA CONSTRUCTION CODE iii PREFACE Introduction The Virginia Uniform Statewide Building Code (USBC) is a state regulation promulgated by the Vir-ginia Board of Housing and Community Development, a Governor-appointed board, for the purpose of establishing minimum regulations to govern the construction and maintenance of buildings and State Building Codes Office. The provisions of this chapter shall control the design and State Building Codes Office. Section GeneralScope. SBCO@ Virginia Uniform Statewide Building Code (USBC) contains the building regulations that must be complied with when constructing a new building, structure, or an addition to an existing building. The provisions of this chapter shall control the ChapterAccessibility: Accessibility, Virginia Building Code UpCodes.</p></code></pre>
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Loc Van Ngo · 1980
Several bases for constructing error-correcting codes such as the matrix alternants, the Mattson Solomon polynomial, and the Lagrange's interpolation, and lately the generalized interpolation introduced by Man'delbaum have been proposed. The relationship between the generalized interpolation and the other approaches in constructing error-correcting codes has been investigated in this thesis. We have shown that most of the important classes of codes can be defined in terms of the generalized interpolation, which, indeed, provides a unified framework for the previous methods. Dual codes of these codes have also been derived in terms of the new interpolation.
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Meng, Wu · ScienceDB · 2024
### 代码说明此代码的目的是使用 XGBoost、随机森林、梯度提升决策树 （GBDT） 及其堆叠模型来预测房价。该代码包括数据加载、预处理、模型优化、训练和评估步骤。### 数据加载和预处理1. **数据加载**：从Excel文件加载数据集。2. **数据清理**：删除缺失值和异常值。### 特征和标签分离- 将数据集拆分为要素 （X） 和标注 （y）。### 数据集拆分- 将数据集拆分为训练集和测试集，拆分为 80-20。### 模型参数优化使用贝叶斯优化来优化随机森林、GBDT 和 XGBoost 模型的超参数。定义目标函数并优化每个模型。### 模型训练- 使用优化的参数训练随机森林、GBDT 和 XGBoost 模型。- 打印每个模型的 R² 分数。### 堆叠模型训练- 使用三个基本模型（随机森林、GBDT、XGBoost）和线性回归作为元学习器训练堆叠模型。- 打印堆叠模型的 R² 分数。### 模型评估- 计算并打印每个模型的均方误差 （MSE）。- 打印每个模型的最佳超参数。### 可视化- 绘制每个模型的预测结果、残差图和误差分布直方图，以直观地比较其性能。### 新数据预测- 从 Excel 文件加载和预处理新的测试数据。- 使用堆叠模型预测新数据的价格，并将预测保存到 Excel 文件中。### 按键输出- 打印预测结果的前几行。- 打印堆叠模型的 R² 分数。### 总结- 该代码利用贝叶斯优化和堆叠集成学习来构建和评估多个回归模型，以提高房价预测的准确性。- 堆叠模型优于单个模型，显示出更高的 R² 分数和更低的 MSE。
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