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const mailRegExp = /^[a-zA-Z0-9._-]+@[a-zA-Z0-9.-]+\.?[a-zA-Z]*$/;
mailRegExp.test("a@a")
// true
mailRegExp.test("a!@a")
// false
mailRegExp.test("a!@a/x")
// false
mailRegExp.test("a_-a@a.x")
// true

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const range = (start, end, includeEnd=false) => Array.from({ length: end - start + (includeEnd ? 1 : 0) }, (_, i) => i + start);

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select s.id, t.* 
from service_groups s
join (
    select short_name, service_id, count(*) as qty
    from service_groups
    group by short_name, service_id
    having count(*) > 1
) t on s.short_name = t.short_name and s.service_id = t.service_id;

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<css-doodle click-to-update>
  <style>
    @grid: 80x1 / 80vmin;
    @size: @rn(0, 100%, 5);
    @offset: @plot(r: .5);
    @random(.3) { filter: blur(2px) }
    background-size: 35%;
    background-image: @svg(
      viewBox: 0 0 10 10;
      circle {

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$width: 70px;

.circle {
    display: inline-block;
    position: relative;
    text-align: center;
    width: $width;
    height: $width;
    margin-right: 20px;

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@ExtendWith(SpringExtension.class)
@SpringBootTest(webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT)
public class IntegrationTest {

    @LocalServerPort
    protected int port;

    @Autowired
    protected ObjectMapper objectMapper;

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import lombok.SneakyThrows;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.context.event.ApplicationReadyEvent;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.event.EventListener;
import org.springframework.data.mongodb.core.MongoTemplate;
import org.springframework.data.mongodb.core.convert.MappingMongoConverter;
import org.springframework.data.mongodb.core.index.IndexOperations;
import org.springframework.data.mongodb.core.index.MongoPersistentEntityIndexResolver;
import org.springframework.data.mongodb.core.mapping.Document;

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sudo xattr -r -d com.apple.quarantine /Applications/SomeApp/

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module.exports = {
    presets: [
        [
            '@babel/preset-env',
            {
                debug: true,
                "corejs": 3,
                "useBuiltIns": "entry",
                targets: ['last 2 versions', 'ie >= 11']
            }],

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package myconext.crypto;

import org.bouncycastle.asn1.x500.X500Name;
import org.bouncycastle.cert.CertIOException;
import org.bouncycastle.cert.jcajce.JcaX509CertificateConverter;
import org.bouncycastle.cert.jcajce.JcaX509v3CertificateBuilder;
import org.bouncycastle.jce.provider.BouncyCastleProvider;
import org.bouncycastle.openssl.jcajce.JcaPEMWriter;
import org.bouncycastle.operator.ContentSigner;
import org.bouncycastle.operator.OperatorCreationException;