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INSERT INTO…SELECT for all MySQL columns

... manual. Try this: INSERT INTO this_table_archive (col1, col2, ..., coln) SELECT col1, col2, ..., coln FROM this_table WHERE entry_date < '2011-01-01 00:00:00'; If the id columns is an auto-increment column and you already have some data in both tables then in some cases you may want to omit t...
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Ignoring new fields on JSON objects using Jackson [duplicate]

I'm using Jackson JSON library to convert some JSON objects to POJO classes on an android application. The problem is, the JSON objects might change and have new fields added while the application is published, but currently it will break even when a simple String field is added, which can safely be...
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How do I set the selected item in a comboBox to match my string using C#?

..." and my comboBox contains test1 , test2 , and test3 . How do I set the selected item to "test1"? That is, how do I match my string to one of the comboBox items? ...
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Sorting arraylist in alphabetical order (case insensitive)

...ArrayList, then it sorts it (ignoring the case). After that, the stream is converted to an array which is converted to an ArrayList. If you print the result using: System.out.println(sorted); you get the following output: [ananya, Athira, bala, jeena, Karthika, Neethu, Nithin, seetha, sudhin, S...
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jQuery UI: Datepicker set year range dropdown to 100 years

...wn: either relative to today's year ("-nn:+nn"), relative to the currently selected year ("c-nn:c+nn"), absolute ("nnnn:nnnn"), or combinations of these formats ("nnnn:-nn"). Note that this option only affects what appears in the drop-down, to restrict which dates may be selected use the minDate and...
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Keystore type: which one to use?

... from a browser or coming from OpenSSL-based tools (keytool wasn't able to convert a keystore and import its private keys before Java 6, so you had to use other tools). If you already have a PKCS#12 file, it's often easier to use the PKCS12 type directly. It's possible to convert formats, but it's ...
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A fast method to round a double to a 32-bit int explained

... For those who'd like to convert to int64_t you can do that by shifting the mantissa left and then right by 13 bits. This will clear the exponent and the two bits from the 'magic' number, but will keep and propagate the sign to the entire 64-bit sign...
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Adding 'serial' to existing column in Postgres

...int, b text); CREATE TABLE bar (a serial, b text); INSERT INTO foo (a, b) SELECT i, 'foo ' || i::text FROM generate_series(1, 5) i; INSERT INTO bar (b) SELECT 'bar ' || i::text FROM generate_series(1, 5) i; -- blocks of commands to turn foo into bar CREATE SEQUENCE foo_a_seq; ALTER TABLE foo ALTER...
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Trigger change event of dropdown

...wns, the best way to do it is to have a script that returns the a prebuilt select box and an AJAX call that requests it. Here is the documentation for jQuery's Ajax method if you need it. $(document).ready(function(){ $('#countrylist').change(function(e){ $this = $(e.target); ...
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MySQL Select all columns from one table and some from another table

How do you select all the columns from one table and just some columns from another table using JOIN? In MySQL. 4 Answers ...