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WordNet

1. a symbol in a logical or mathematical expression that can be replaced by the name of any member of specified set

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出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2016/11/28 22:48:11」(JST)

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Placeholder may refer to:

Language

• Placeholder name, a term or terms referring to something or somebody whose name is not known or, in that particular context, is not significant or relevant.
• Filler text, text generated to fill space or provide unremarkable and/or standardised text.
• Lorem ipsum, a standard Latin text most commonly used to demonstrate a font, typography or layout.

Mathematics and computer science

• Free variable, a symbol subsequently replaced by a value or string.
• Interpoled variable of a string interpolation process.
• Metasyntactic variable, a placeholder name (see above) as used in computer science.
• Format placeholder, used in computing to format strings within print functions (printf).

Other uses

• Placeholder (politics), a person temporarily appointed to an office that would otherwise remain vacant.

English Journal

• Viability: a cultural calculus of personhood at the beginnings of life.

• Christoffersen-Deb A.SourceDepartment of Obstetrics and Gynecology, University of Toronto, Canada.
• Medical anthropology quarterly.Med Anthropol Q.2012 Dec;26(4):575-94. doi: 10.1111/maq.12008.
• This article addresses birth and the recognition of personhood. It is about the calculated acts of recognition that take place at the beginnings of life when the obligation to protect and extend physical care is uncertain. It examines these dilemmas from the perspective of clinicians and scientists
• PMID 23361886

• Protein folding drives disulfide formation.

• Kosuri P, Alegre-Cebollada J, Feng J, Kaplan A, Inglés-Prieto A, Badilla CL, Stockwell BR, Sanchez-Ruiz JM, Holmgren A, Fernández JM.SourceGraduate Program in Biochemistry & Molecular Biophysics, Columbia University, New York, NY 10027, USA. pallav@caa.columbia.edu
• Cell.Cell.2012 Nov 9;151(4):794-806. doi: 10.1016/j.cell.2012.09.036.
• PDI catalyzes the oxidative folding of disulfide-containing proteins. However, the sequence of reactions leading to a natively folded and oxidized protein remains unknown. Here we demonstrate a technique that enables independent measurements of disulfide formation and protein folding. We find that n
• PMID 23141538

• [Transphenoidal-upslope approach by lateral rhinotomy to chordoma invading the sphenoid bone and clivus].

• Guo X, Chen Q, Hua Q.AbstractThis paper reported one patient who was treated through transphenoidal-upslope approach by lateral rhinotomy and the tumor was sucessfully removed. The patient was male of 38 years old. He suffered intermittent headache with blurred vision and left eye outreach disorder for more than a year. The visual inspection showed there was dark area of the left eye lateral. CT showed slopes density placeholder and bone window showed the slope of bone quality had been severely damaged. MRI showed T1 image slopes parts and other low signal placeholder forward to invade the sphenoid sinus. In addition, there was undermine the slope bone and brain stem boundaries clearly and T2 images showed high-signal, inhomogeneous enhancement. We found during the operation that the slope was partially destroyed and part of the tumor was prominent to the pharynx tumor. The pathologic examination confirmed that it is chordoma.
• Lin chuang er bi yan hou tou jing wai ke za zhi = Journal of clinical otorhinolaryngology, head, and neck surgery.Lin Chung Er Bi Yan Hou Tou Jing Wai Ke Za Zhi.2012 Sep;26(17):807-8.
• This paper reported one patient who was treated through transphenoidal-upslope approach by lateral rhinotomy and the tumor was sucessfully removed. The patient was male of 38 years old. He suffered intermittent headache with blurred vision and left eye outreach disorder for more than a year. The vis
• PMID 23214324

Japanese Journal

• プレースホルダ付きSQL送信文を持つJavaプログラムを対象としたSQLインジェクション脆弱性検査法の提案と評価

• 電子情報通信学会技術研究報告. KBSE, 知能ソフトウェア工学 111(169), 69-73, 2011-07-22
• NAID 110008800969

• プレースホルダ付きSQL送信文を持つJavaプログラムを対象としたSQLインジェクション脆弱性検査法の提案と評価

• 電子情報通信学会技術研究報告. SS, ソフトウェアサイエンス 111(168), 69-73, 2011-07-22
• NAID 110008800896

• B161 Millenial extensions of Representative Concentration Pathway placeholder scenarios : long term implications of 21st century choices

• 大会講演予講集 96, 120, 2009-10-31
• NAID 110007626430

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