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How to quickly check if folder is empty (.NET)?

...EnumerateFileSystemEntries method overloads public bool IsDirectoryEmpty(string path) { IEnumerable<string> items = Directory.EnumerateFileSystemEntries(path); using (IEnumerator<string> en = items.GetEnumerator()) { return !en.MoveNext(); } } EDIT: seeing t...
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Making a property deserialize but not serialize with json.net

...{ get; set; } } enum Fizz { Alpha, Beta, Gamma } class Bang { public string Value { get; set; } } And you want to do this: string json = @"{ ""ObsoleteSetting"" : ""Gamma"" }"; // deserialize Config config = JsonConvert.DeserializeObject<Config>(json); // migrate config.ReplacementS...
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How do I add a newline to a TextView in Android?

...resulting in the following solution for rendering line feed escape chars: string = string.replace("\\\n", System.getProperty("line.separator")); Using the replace method you need to filter escaped linefeeds (e.g. '\\\n') Only then each instance of line feed '\n' escape chars gets rendered into t...
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Encrypt & Decrypt using PyCrypto AES 256

...output of a encryption when input is same, so the IV is chosen as a random string, and use it as part of the encryption output, and then use it to decrypt the message. And here's my implementation, hope it will be useful for you: import base64 from Crypto.Cipher import AES from Crypto import Rando...
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How to insert a value that contains an apostrophe (single quote)?

...ote, is a special character in SQL that specifies the beginning and end of string data. This means that to use it as part of your literal string data you need to escape the special character. With a single quote this is typically accomplished by doubling your quote. (Two single quote characters, not...
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How to run a program without an operating system?

...M calls theirs semihosting for example. On real hardware, it requires some extra hardware and software support, but on emulators it can be a free convenient option. Example. Here we will do a BIOS example as it is simpler on x86. But note that it is not the most robust method. main.S .code16 m...
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How to extract img src, title and alt from html using php? [duplicate]

...eb page source code : /* preg_match_all match the regexp in all the $html string and output everything as an array in $result. "i" option is used to make it case insensitive */ preg_match_all('/<img[^>]+>/i',$html, $result); print_r($result); Array ( [0] => Array ( ...
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How can I generate an MD5 hash?

Is there any method to generate MD5 hash of a string in Java? 34 Answers 34 ...
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How do you append an int to a string in C++? [duplicate]

... With C++11, you can write: #include <string> // to use std::string, std::to_string() and "+" operator acting on strings int i = 4; std::string text = "Player "; text += std::to_string(i); ...
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How is a non-breaking space represented in a JavaScript string?

...e manually it in its Javascript escaped form: var x = td.text(); if (x == String.fromCharCode(160)) { // Non-breakable space is char 160 x = ''; } More information about String.fromCharCode is available here: fromCharCode - MDC Doc Center More information about character codes for differe...