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# udev | |
wget https://gist.githubusercontent.com/dex4er/1354710/raw/0f9738c7439cdfb9e4446663d137f91ee153b4d8/etc_udev_rules.d_90-hid-eToken.rules | |
sudo cp etc_udev_rules.d_90-hid-eToken.rules /etc/udev/rules.d | |
sudo service udev reload | |
# required packages | |
sudo apt-get -yy install pcscd opensc | |
# legacy library | |
wget http://mirrors.kernel.org/ubuntu/pool/universe/h/hal/libhal1_0.5.14-8_amd64.deb |
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// ヘッダのインクルード | |
// 既定のヘッダ | |
#include <iostream> // C++標準入出力 | |
#include <vector> // 動的配列 | |
#include <iterator> // イテレータ | |
#include <functional> // 標準関数オブジェクト | |
// 関数のプロトタイプ宣言 | |
void for_each_plus(std::vector<int> &vec1, std::vector<int> &vec2, std::vector<int> &vec3, std::plus<int> &obj); // vec1の各要素とvec2の各要素に関数オブジェクトobjの処理をさせて結果をvec3に格納していく関数. |
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import javax.crypto.Cipher; | |
import java.io.InputStream; | |
import java.security.*; | |
import java.util.Base64; | |
import static java.nio.charset.StandardCharsets.UTF_8; | |
public class RsaExample { | |
public static KeyPair generateKeyPair() throws Exception { | |
KeyPairGenerator generator = KeyPairGenerator.getInstance("RSA"); |
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https://www.codewars.com/kata/plus-minus-plus-plus-dot-dot-dot-count/train/ruby | |
def catch_sign_change(arr) | |
count = 0 | |
if arr == [] | |
return count | |
end | |
if arr[0] >= 0 | |
previous_sign = "positive" |