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How to import a jar in Eclipse

...o this folder all the jar files you need. Refresh your project in eclipse. Select all the jar files, then right click on one of them and select Build Path -> Add to Build Path share | improve th...
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tmux set -g mouse-mode on doesn't work

...n. There's now no longer options for: - mouse-resize-pane - mouse-select-pane - mouse-select-window - mode-mouse Instead there is just one option: 'mouse' which turns on mouse support So this is what I'm using now in my .tmux.conf file set -g mouse on ...
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PostgreSQL function for last inserted ID

...e: INSERT INTO persons (lastname,firstname) VALUES ('Smith', 'John'); SELECT currval('persons_id_seq'); The name of the sequence must be known, it's really arbitrary; in this example we assume that the table persons has an id column created with the SERIAL pseudo-type. To avoid relying on thi...
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Clear form fields with jQuery

... A small tip: this selector won't select input elements that are relying on the implicit type=text, you must explicitly include the type=text on your markup. That may be obvious, but it wasn't to me, just now :-) – Elbin ...
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Select the values of one property on all objects of an array in PowerShell

... I think you might be able to use the ExpandProperty parameter of Select-Object. For example, to get the list of the current directory and just have the Name property displayed, one would do the following: ls | select -Property Name This is still returning DirectoryInfo or FileInfo obje...
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How to get the first and last date of the current year?

... SELECT DATEADD(yy, DATEDIFF(yy, 0, GETDATE()), 0) AS StartOfYear, DATEADD(yy, DATEDIFF(yy, 0, GETDATE()) + 1, -1) AS EndOfYear The above query gives a datetime value for midnight at the beginning of December 31. This ...
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How to save MySQL query output to excel or .txt file? [duplicate]

...SV file: MySQL provides an easy mechanism for writing the results of a select statement into a text file on the server. Using extended options of the INTO OUTFILE nomenclature, it is possible to create a comma separated value (CSV) which can be imported into a spreadsheet application suc...
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mysql_fetch_array()/mysql_fetch_assoc()/mysql_fetch_row()/mysql_num_rows etc… expects parameter 1 to

I am trying to select data from a MySQL table, but I get one of the following error messages: 31 Answers ...
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Best way to do multi-row insert in Oracle?

...acle: insert into pager (PAG_ID,PAG_PARENT,PAG_NAME,PAG_ACTIVE) select 8000,0,'Multi 8000',1 from dual union all select 8001,0,'Multi 8001',1 from dual The thing to remember here is to use the from dual statement. (source) ...
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Can I concatenate multiple MySQL rows into one field?

... You can use GROUP_CONCAT: SELECT person_id, GROUP_CONCAT(hobbies SEPARATOR ', ') FROM peoples_hobbies GROUP BY person_id; As Ludwig stated in his comment, you can add the DISTINCT operator to avoid duplicates: SELECT person_id, GROUP_CONCAT(DISTINCT ...