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[Solved] Can I store an iterator in a file which I can read from later? Will this reduce space consumption? [closed]

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Building on larsmans answer, a custom iterator can be built to do this: class my_large_num(object): def __init__(self): self.num_iterations = 0 def __iter__(self): return self def next(self): if self.num_iterations < 1: self.num_iterations += 1 return 10**200 else: raise StopIteration() You can then: import pickle pickled_repr = pickle.dumps(my_large_num()) restored_object = pickle.loads(pickled_repr) sum(restored_object) This works because underneath, iterable … Read more

[Solved] How to Upload Image files Using Codeigniter? [closed]

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Here is an example. Hope this would help you 🙂 in your controller. lets say upload.php public function upload() { if($this->input->post(‘upload’)) { $config[‘upload_path’] = APPPATH . ‘your upload folder name here/’; $config[‘file_name’] = filename_here; $config[‘overwrite’] = TRUE; $config[“allowed_types”] = ‘jpg|jpeg|png|gif’; $config[“max_size”] = 1024; $config[“max_width”] = 400; $config[“max_height”] = 400; $this->load->library(‘upload’, $config); if(!$this->upload->do_upload()) { $this->data[‘error’] = … Read more

[Solved] Why doesn’t this code work? (VB.Net)

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To get the home directory of the current user use: Dim homeDir As String = System.Environment.GetEnvironmentVariable(“USERPROFILE”) Then copy the file: My.Computer.FileSystem.CopyFile(“D:\FrewGame\Game\FrewShort.lnk”, homeDir & “\Desktop\” & “Name.lnk”) 3 solved Why doesn’t this code work? (VB.Net)

[Solved] File copy only x file extension

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Solved it! In the last methode: Copyall: foreach (FileInfo fi in source.GetFiles(“*.MP4”)) { fi.CopyTo(Path.Combine(target.ToString(), fi.Name), true); total += (int)fi.Length; copied += (int)fi.Length; copied /= 1024; progressBar1.Step = copied; progressBar1.PerformStep(); label1.Text = (total / 1048576).ToString() + “MB van de ” + (maxbytes / 1024).ToString() + “MB gekopieërd”; label1.Refresh(); } solved File copy only x file extension

[Solved] Decrypt aes encrypted file in java sha1 openssl

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The below code is doing a complete file encryption and decryption and is compatible to the OpenSSL commands encrypt: openssl enc -aes-256-cbc -pass pass:testpass -d -p -in plaintext.txt -out plaintext.txt.crypt -md md5 decrypt: openssl aes-256-cbc -d -in plaintext.txt.crypt -out plaintext1.txt -k testpass -md md5 I left out some variables as they are not used in … Read more

[Solved] How to Delete files from the directory by specifying it in the output application

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it has to search the directory which conrtains subfolders also it has to search along the sub folders Your method to search a directory needs to be recursive. Here is an example of a recursive method that lists the files in all the sub directories: import java.awt.*; import java.awt.event.*; import java.io.*; import java.util.*; import javax.swing.*; … Read more

[Solved] Python: Reading marks from a file then using marks to get class

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import csv # function to process data def process_data(data): for item in data: marks = int(item[2]) mclass=”incorrect data entry try again” if marks == 0: mclass = “10.9” elif marks >= 0 and marks <= 100: mclass = “10.{}”.format(10 – int(item[2][0])) yield ‘”{}”,”{}”,{},{}’.format(item[0],item[1],item[2],mclass) # read data to memory data = [] with open(“Maths_Mark.txt”, “r”) as … Read more

[Solved] java code to split text file into chunks based on chunk size

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That’s because BufferedReader.readLine() reads only a line not the whole file. I assume that the line break characters \r and \n are not part of the normal content you interested in. Maybe that helps. // … StringBuilder sb = new StringBuilder(); String line; while ((line = inputStream.readLine()) != null) { sb.append(line); // if enough content … Read more

[Solved] Project runs in eclipse but not in command line: File not found exception [duplicate]

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I assume you are starting the program from the Builds directory – not the project root. Therefore the path src\data\pokemon.csv can’t be resolved. You have to either copy the jar to the project root or start the program from the project root dir with java -jar Builds\v1.0.jar 2 solved Project runs in eclipse but not … Read more