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  1. [B! postgresql] PostgreSQL 18からNOT NULL制約をNOT V...

    行ごとに異なる値の非NULLなカラムを追加したいというケースもあります。このような場合「一度NULLを許可してカラムを追...アニメとゲーム テクノロジー PostgreSQL 18からNOT NULL制約をNOT VALIDで追加できるようになりました -...
    b.hatena.ne.jp/entry/s/www.m3tech.blog/entry/2026/03/13/110000
    Tue Mar 17 13:12:07 UTC 2026
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  2. Assert (Spring Framework 7.0.2 API)

    object is null . Assert.isNull(value, "The value must be null"); Parameters:...the object is not null isNull @Contract ("!null, _ -> fail") public...
    docs.spring.io/spring-framework/docs/current/javadoc-api/org/springframework/util/Assert.html
    Fri Feb 01 00:00:00 UTC 1980
      111.5K bytes
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  3. playsql-createschema-ddl-1st.zip

    NOT NULL COMMENT '住所: まるごと住所', REGION_ID INTEGER NOT NULL COMMENT...DATETIME NOT NULL, REGISTER_USER VARCHAR(200) NOT NULL, UPDATE_DATETIME...
    dbflute.seasar.org/download/patch/handson/20140601_payment/playsql-createschema-ddl-1st.zip
    Thu Apr 23 08:49:35 UTC 2026
      4.6K bytes
     
  4. AbstractValueAdaptingCache (Spring Framework 7....

    also hold a cached null value. A straight null being returned means...(may be null to bypass a type check; in case of a null value found...
    docs.spring.io/spring-framework/docs/current/javadoc-api/org/springframework/cache/support/Abstra...
    Fri Feb 01 00:00:00 UTC 1980
      34.3K bytes
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  5. ObjectUtils (Spring Framework 7.0.5 API)

    @Contract ("null, null -> true; null, _ -> false; _, null -> false")...true if both are null or false if only one is null . static int nullSafeHash...
    docs.spring.io/spring-framework/docs/current/javadoc-api/org/springframework/util/ObjectUtils.html
    Fri Feb 01 00:00:00 UTC 1980
      123K bytes
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  6. StringUtils (Spring Framework 7.0.5 API)

    quote @Contract ("null -> null; !null -> !null") public static...@Contract ("null -> null; !null -> !null") public static @Nullable...
    docs.spring.io/spring-framework/docs/current/javadoc-api/org/springframework/util/StringUtils.html
    Fri Feb 01 00:00:00 UTC 1980
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  7. fetch_openml — scikit-learn 1.8.0 documentation

    age 48842 non-null int64 1 workclass 46043 non-null category 2 fnlwgt...fnlwgt 48842 non-null int64 3 education 48842 non-null category 4 education-num...
    scikit-learn.org/stable/modules/generated/sklearn.datasets.fetch_openml.html
    Mon Mar 23 20:39:23 UTC 2026
      21.5K bytes
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  8. Lagged features for time series forecasting — s...

    16 null null null null null null null null null null null null...null null 40 16 null null null null null null null null null null...
    scikit-learn.org/stable/auto_examples/applications/plot_time_series_lagged_features.html
    Mon Mar 23 20:39:22 UTC 2026
      25K bytes
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  9. saflute_template-eclipse-plugin.zip

    version 会社名 作成者 null 0 デフォルト 0 200 null false null false まるごと住所...ADDRESS varchar(n) 1 null null false null false 必須項目ではないので、このデータがない会員もいる。...
    dbflute.seasar.org/download/misc/friends/saflute_template-eclipse-plugin.zip
    Thu Apr 23 08:49:35 UTC 2026
      3.2M bytes
     
  10. ClassUtils (Spring Framework 7.0.6 API)

    overrideThreadContex @Contract ("null -> null") public static @Nullable...resolvePrimitiveClas @Contract ("null -> null") public static @Nullable...
    docs.spring.io/spring-framework/docs/current/javadoc-api/org/springframework/util/ClassUtils.html
    Fri Feb 01 00:00:00 UTC 1980
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