[Solved] Filter Name with Starting Letter

[ad_1] it’s not C#, it’s SQL. in SQL you can use like clause. ex: select * from tblcustomer where CustomerName like ‘A%’ it will display customer name start with letter A EDIT DECLARE @CustomerName varchar(200) = NULL SELECT TOP 100 * FROM tblCustomer WHERE CustomerName like CASE WHEN @CustomerName IS NULL THEN ‘%’ ELSE @CustomerName … Read more

[Solved] Make calculations in csv with php

[ad_1] I would maybe do it more simple. If you didn’t know how many columns you could do the extra loops to get column names, but it does not look necessary. $output = “datetime, value1, value2\n”; // Column names while ($row = mysql_fetch_array($sql)) { $output .='”‘ . $row[0] . ‘” ,’; $output .='”‘ . $row[1] … Read more

[Solved] Understanding some code from my homework

[ad_1] Basically, that code does this: 1) Initializes temp array with 100 positions (all set to 0); 2) Iterates over data array and increments the value relative to the index of the data array value it’s processing. Take this example: int[] data = {23,11,10,23,5}; temp[data[0]] += 1 temp[23] += 1 temp[23] = temp[23] + 1 … Read more

[Solved] AES encryption on file over 1GB

[ad_1] You are reading the entire file at the start of the method: byte[] bytesToBeEncrypted = File.ReadAllBytes(file); This is causing the OutOfMemoryException. Here’s an idea of how you’d do this: static void EncryptFile(string file, string password) { byte[] passwordBytes = Encoding.UTF8.GetBytes(password); byte[] salt = new byte[] { 1, 2, 3, 4, 5, 6, 7, 8 … Read more

[Solved] Creating simple view engine using JavaScript [duplicate]

[ad_1] I found the below to be proper way: var templater = function(html){ return function(data){ for(var x in data){ var re = “{{\\s?” + x + “\\s?}}”; html = html.replace(new RegExp(re, “ig”), data[x]); } return html; }; }; var template = new templater(“<p>hey there {{ codeName }}</p>”); var div = document.createElement(“div”); div.innerHTML = template({ codeName: … Read more

[Solved] Could someone please go through this code line by line and explain it in Pseudocode or English

[ad_1] Some info on enumerate by typing help(enumerate) enumerate(iterable[, start]) -> iterator for index, value of iterable Return an enumerate object. iterable must be another object that supports iteration. The enumerate object yields pairs containing a count (from start, which defaults to zero) and a value yielded by the iterable argument. enumerate is useful for … Read more

[Solved] Print Location of a string [closed]

[ad_1] def printLocations(s, target): ”’ s is a string to search through, and target is the substring to look for. Print each index where the target starts. For example: >>> printLocations(‘Here, there, everywherel’, ‘ere’) 1 8 20 ”’ repetitions = s.count(target) index = -1 for i in range(repetitions): index = s.find(target, index+1) print(index) def main(): … Read more

[Solved] NoSQL && mongodb database

[ad_1] Aggregation Pipeline: A pipeline of predefined operators Some operators ($match, $project) can be executed in parallel when sharding is used very fast you can iterate over the output or use the $out operator to store it into a collection easy to develop and debug: Start with just one operator, look at the output, continue … Read more