with thanks to stuart brown of nyu for some great examples and teaching ideas
Introduce to perl programming slide
... Comparison operators • Perl supports the standard comparison operators: > greater than < less than >= greater than or equal to
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Fundamental Types - Strings, Arrays, and Enums
... “array_name is a handle to a managed array of some type and number of dimensions (rank).” Here are some examples of declarations of managed arrays: Hogenson_705-2C05.fm Page 93 Friday, October 13, 2006 ... methods for input and output to files in a variety of formats These classes allow you to specify the encoding of the output file, so you can write easily to ASCII or Unicode UTF-8, UTF-16, and other ... Console class for input and output to the console or command-line window, including a discussion of the In, Out, and Error representations of stdin, stdout, and stderr I covered the Write and WriteLine...
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Tài liệu Module 7: Strings, Arrays, and Collections pdf
... on performance Discuss techniques for handling boxing and unboxing to optimize performance v Module 7: Strings, Arrays, and Collections Overview Topic Objective To provide an overview of the ... Arrays, and Collections Changing Case Topic Objective To explain how to use the String.ToUpper and String.ToLower methods to change the case of a string Lead-in You can easily change the case of a ... Using the ToString Method The ToString method is useful if you want to convert one of the standard NET Framework data types to a string that represents that type in some other format For example,...
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Báo cáo hóa học: " Two novel hierarchical homogeneous nanoarchitectures of TiO2 nanorods branched and P25-coated TiO2 nanotube arrays and their photocurrent performances" potx
... basis of the results and discussion, we conclude that the dramatically improved photocurrent densities of the BTs and PCTs used as photoanodes are mainly due to their better incident photons and ... from the FESEM images of the top view and cross-section of the TNTAs shown in Figure 1a and the TEM, SAED, and HRTEM images in Figure 1b The second step is the synthesis of BTs and PCTs using hydrothermal ... length of the tubes is the same as that of TNTAs (about 3.5 μm) and the P25 nanoparticles are densely grown on the whole surface (including inside and outside) of the TiO2 tubes And the top view of...
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Báo cáo hóa học: " Hydrothermally Grown ZnO Micro/Nanotube Arrays and Their Properties" pptx
... out of the autoclave and washed with water for several times and then dried in air X-ray diffraction (XRD) pattern of the products was carried out on a D/max-rB of Kaisha X-ray diffractometer with ... transferred into a PTFE-lined autoclave with volume of 50 ml A zinc foil after ultrasonic treatment was then put into the autoclave After sealed, the autoclave was put in an oven and heated at 130°C for ... which corresponds to the near-band-edge peak that is responsible for the recombination of free excitons through an exciton-exciton collision process [44, 45] Besides the near-band-edge emission,...
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Báo cáo hóa học: " Analysis of a Combined Antenna Arrays and Reverse-Link Synchronous DS-CDMA System over Multipath Rician Fading Channels" doc
... = j for l = 0, and (ζl(k,m) )2 = ζ when j k = m and l = j for l > in the appendix The average BER performance of reverse-link synchronous DS-CDMA system with AA for the case of a uniform and ... Advisor for the Ministry of Information and Communication’s technology fund and a Director of Accreditation Board for Engineering Education of Korea Currently, he serves as a Member of Korea ... ) , for exponential MIP, the pdfs of X and Lr −1 Y are pX (x) = k=1 πk /Ωk exp(−x/Ωk ) and pY (y) = 1/Ω0 exp(− y/Ω0 ), for the case of uniform MIP, X and Y have a chi-squared distribution with...
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Báo cáo hóa học: "A Combined Antenna Arrays and Reverse-Link Synchronous DS-CDMA System over Frequency-Selective Fading Channels with Power Control Error" doc
... Member of Korea Information & Communication Standardization Committee, and is an Advisor for the Ministry of Information and Communication’s technology fund and a Director of Accreditation Board for ... insensitive to the PCE even with fewer numbers of antennas Additionally, RLSTT has superior performance and/ or reduces the complexity of the system since AA with RLSTT with fewer numbers of antennas ... gain is assumed to be 128, and the number of paths and taps in RAKE is assumed to be the same for all users and denoted by two The decaying factor is considered as 1.0 or 0.2 for the exponential...
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Pointers, Arrays and Memory Management
... (trong stack) từ khai báo To n tử sizeof() với mảng cho biết kích thước thực mảng (tổng phần tử), dùng với trỏ cho biết kích thước thân (chứa địa chỉ) float arr[5]; sizeof(arr) trả 20 (5*4) ... chỉ) float arr[5]; sizeof(arr) trả 20 (5*4) float* p = arr; sizeof(p) trả với hệ thống 32 bit sizeof(arr)/sizeof(arr[0]) số phần tử mảng Với chất trỏ, dùng số âm với mảng: int arr[] ... gán thông thường int *pInt2; pInt2 = pInt; To n tử địa &: tạo trỏ việc lấy địa pA a biến int a; int* pA = &a; 10 /* pA trỏ tới a */ & to n tử ngược với *, với biến a *&a tương đương...
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HTML Session2 module3 4 using lists tables and working forms and frames
... Working with Frames and Forms – Slide 33 / 51 Introduction to HTML Forms (2) Using Lists and Tables & Working with Frames and Forms – Slide 34 / 51 Introduction to HTML Forms (3) Uses of HTML Forms ... Lists and Tables & Working with Frames and Forms – Slide 32 / 51 Introduction to HTML Forms (1) HTML Forms are used to select different kinds of user input and then pass data to a server A form ... Lists and Tables & Working with Frames and Forms – Slide 47 / 51 Other Form Elements Other HTML Form tags: Using Lists and Tables & Working with Frames and Forms – Slide 48 / 51 Guideline for...
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Pointers and Dynamic Arrays
... value to a pointer variable? Use the new operator to create a new variable in the freestore? Write a definition for a type called NumberPtr to be a type for pointers to dynamic variables of ... 9- The address of Operator The & operator can be used to determine the address of a variable which can be assigned to a pointer variable Example: p1 = &v1; p1 is now a pointer to v1 v1 can ... Management An area of memory called the freestore is reserved for dynamic variables New dynamic variables use memory in the freestore If all of the freestore is used, calls to new will fail...
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Friends, Overloaded Operators, and Arrays in Classes
... one argument of an overloaded operator must be of a class type An overloaded operator can be a friend of a class New operators cannot be created The number of arguments for an operator cannot be ... definition of operator + for the Money class is nearly the same as member function add To overload the + operator for the Money class Use the name + in place of the name add Use keyword operator ... requires a parameter for each of the two dates to compare The declaration is bool equal(DayOfYear date1, DayOfYear date2); Notice that equal is not a member of the class DayOfYear Copyright ©...
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Pointers and Linked Lists
... To remove a node from a linked list Position a pointer, before, to point at the node prior to the node to remove Position a pointer, discard, to point at the node to remove Perform: before->link ... Iterators An iterator is a construct that allows you to cycle through the data items in a data structure to perform an action on each item An iterator can be an object of an iterator class, ... pointer variables and head1 points to the head node of a list: head2 = head1; causes head2 and head1 to point to the same list There is only one list! If you want head2 to point to a separate copy,...
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Pointers. Arrays. Strings. Searching and sorting algorithms.
... strtok() with NULL passed for the str argument: char ∗ strtok(NULL, const char ∗ delims); Because strtok() uses a static variable to store the pointer to the beginning of the next token, calls to ... whitespace and punctuation Each piece of the string, without its surrounding delimiters, is a token The process of extracting a token can be split into two parts: finding the beginning of the token ... use our knowledge of strings to duplicate the functionality of the C standard library’s strtok() function, which extracts “tokens” from a string The string is split using a set of delimiters, such...
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Problem Set 4 – Solutions Pointers. Arrays. Strings. Searching and sorting algorithms.
... strtok() with NULL passed for the str argument: char ∗ strtok(NULL, const char ∗ delims); Because strtok() uses a static variable to store the pointer to the beginning of the next token, calls to ... whitespace and punctuation Each piece of the string, without its surrounding delimiters, is a token The process of extracting a token can be split into two parts: finding the beginning of the token ... use our knowledge of strings to duplicate the functionality of the C standard library’s strtok() function, which extracts “tokens” from a string The string is split using a set of delimiters, such...
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Problem Set 5 – Solutions Pointers. Arrays. Strings. Searching and sorting algorithms
... function int deltree (struct tnode∗ root) to delete all the elements of the tree The function must return the number of nodes deleted Make sure not to use any pointer after it has been freed ... been freed (Hint: use post-order traversal) (f) Write test code to illustrate the working of each of the above functions All the code and sample outputs should be submitted Answer: Here’s one possible ... }; Use the template in Lec06 (slides 41) to add elements to the list (a) Write the function struct tnode∗ talloc(int data) that allocates a new node with the given data (b) Complete the function...
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Problem Set 6 Part 1: Pointers to pointers. Multidimensional arrays. Stacks and queues.
... consists of nodes, each of which contains a string for storing translations for the word specified at that node and an array of pointers to child nodes Each node, by virtue of its position in the ... word and returns its translation(s) Once your code is working, run a few test cases Hand in a copy of your code, and a printout of your program running in gdb, with a few example translations to ... structure for storing lots of strings is the “trie.” This tree structure has the special property that a node’s key is a prefix of the keys of its children For instance, if we associate a node with...
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Problem Set 6 – Solutions Part 1: Pointers to pointers. Multidimensional arrays. Stacks and queues.
... consists of nodes, each of which contains a string for storing translations for the word specified at that node and an array of pointers to child nodes Each node, by virtue of its position in the ... word and returns its translation(s) Once your code is working, run a few test cases Hand in a copy of your code, and a printout of your program running in gdb, with a few example translations to ... structure for storing lots of strings is the “trie.” This tree structure has the special property that a node’s key is a prefix of the keys of its children For instance, if we associate a node with...
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Pointers and arrays
... *dp and atof(s) have values of double, and that the argument of atof is a pointer to char You should also note the implication that a pointer is constrained to point to a particular kind of object: ... that the rows of the array may be of different lengths That is, each element of b need not point to a twenty-element vector; some may point to two elements, some to fifty, and some to none at all ... structure and the input and output The input routine has to collect and save the characters of each line, and build an array of pointers to the lines It will also have to count the number of input...
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Tìm thêm: khảo sát các chuẩn giảng dạy tiếng nhật từ góc độ lí thuyết và thực tiễn khảo sát chương trình đào tạo gắn với các giáo trình cụ thể xác định thời lượng học về mặt lí thuyết và thực tế điều tra đối với đối tượng giảng viên và đối tượng quản lí khảo sát các chương trình đào tạo theo những bộ giáo trình tiêu biểu nội dung cụ thể cho từng kĩ năng ở từng cấp độ phát huy những thành tựu công nghệ mới nhất được áp dụng vào công tác dạy và học ngoại ngữ mở máy động cơ lồng sóc mở máy động cơ rôto dây quấn các đặc tính của động cơ điện không đồng bộ đặc tuyến hiệu suất h fi p2 đặc tuyến mômen quay m fi p2 đặc tuyến tốc độ rôto n fi p2 đặc tuyến dòng điện stato i1 fi p2 động cơ điện không đồng bộ một pha sự cần thiết phải đầu tư xây dựng nhà máy phần 3 giới thiệu nguyên liệu từ bảng 3 1 ta thấy ngoài hai thành phần chủ yếu và chiếm tỷ lệ cao nhất là tinh bột và cacbonhydrat trong hạt gạo tẻ còn chứa đường cellulose hemicellulose chỉ tiêu chất lượng theo chất lượng phẩm chất sản phẩm khô từ gạo của bộ y tế năm 2008 chỉ tiêu chất lượng 9 tr 25