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    I have an app that functions properly and does not force close or crash. But when I look at LogCat, it ... = dbHelper.getWritableDatabase(); } See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    Bear with me, im really bad at explaining thing and i dont even know an appropriate title for this problem Ok guys ... good way to store a data See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    To ensure exclusive use of a Cloud Firestore document in a shared setting, is it sufficient to read, then ... lockedBy') within a transaction? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I have an app that functions properly and does not force close or crash. But when I look at LogCat, it ... = dbHelper.getWritableDatabase(); } See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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956 views
1 answer
    Bear with me, im really bad at explaining thing and i dont even know an appropriate title for this problem Ok guys ... good way to store a data See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
1.2k views
1 answer
    To ensure exclusive use of a Cloud Firestore document in a shared setting, is it sufficient to read, then ... lockedBy') within a transaction? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
0 votes
1.1k views
1 answer
    I have an app that functions properly and does not force close or crash. But when I look at LogCat, it ... = dbHelper.getWritableDatabase(); } See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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961 views
1 answer
    Bear with me, im really bad at explaining thing and i dont even know an appropriate title for this problem Ok guys ... good way to store a data See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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1 answer
    To ensure exclusive use of a Cloud Firestore document in a shared setting, is it sufficient to read, then ... lockedBy') within a transaction? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    Now that Rails has timestamped migrations, the single version number at the top of /db/schema.rb seems pointless. ... schema definition ... end See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I have a domain that looks something like class Foo { String name static mapping = { table 'foo' } } but ... this is even possible? Thanks! See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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1.3k views
1 answer
    I have an app that functions properly and does not force close or crash. But when I look at LogCat, it ... = dbHelper.getWritableDatabase(); } See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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970 views
1 answer
    Bear with me, im really bad at explaining thing and i dont even know an appropriate title for this problem Ok guys ... good way to store a data See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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1.1k views
1 answer
    To ensure exclusive use of a Cloud Firestore document in a shared setting, is it sufficient to read, then ... lockedBy') within a transaction? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    Sorry for the ignorant question, but what kind of applications wouldn't require an ACID compliant database server? ... or isolation. Thanks! See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    What is a good, simple encryption scheme for protecting passwords in a database? I don't necessarily need ... terribly slow or insecure. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    Is there any way to use ROW_NUMBER() in SQL without using OVER, because I want to use sorting. I have a Grid ... to put order by using ROWNUM. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I am trying to limit the following SQL statement. SELECT expense.*, transaction.* FROM expense INNER JOIN ... and only one transaction. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    What is the difference between findOneAndUpdate and update? Both accept criteria to query and doc to update. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I am referring to following query to find Nth highest salary of a employee. select sal from emp t where &n ... and produces result ? Thank you. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I need to store a tree data structure in my database, for which I plan on using django-treebeard or possibly ... you very much for the answers. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I have a Spinner View that's populated through a SimpleCursorAdapter. Based on the selection I need to save the ... the rowid in the database. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I have a query that goes something like the following: select <field list> from <table list> where <join ... where sec_type_id = 494) ) See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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994 views
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    What is the best storage engine to use for a log table on mysql? The table will have a couple if id ... it and recreate it. Any suggestions? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    Write operations on Couchbase accept a parameter cas (create and set). Also the return result object of any non-data ... me if I am wrong. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I am populating a spinner from the database like this // Populating the City Spinner Cursor cities = db.cityList( ... city id from the database. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I'm running Git 1.6.4.2. Garbage collection is failing saying "error: unable to find <SHA1>". I've ... is causing Git prune to retain it? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I have this table in my Android SQLite DB: CREATE TABLE statistics (subject TEXT, hits INTEGER, fails ... virtual device emulator? Thanks! See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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