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How do I delete a fixed number of rows with sorting in PostgreSQL?

...erm row identifier. There's also oid but that only exists if you specifically ask for it when you create the table. share | improve this answer | follow | ...
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How to add an auto-incrementing primary key to an existing table, in PostgreSQL?

...of PostgreSQL In old versions of PostgreSQL (prior to 8.x?) you had to do all the dirty work. The following sequence of commands should do the trick: ALTER TABLE test1 ADD COLUMN id INTEGER; CREATE SEQUENCE test_id_seq OWNED BY test1.id; ALTER TABLE test ALTER COLUMN id SET DEFAULT nextval('...
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MySql: Tinyint (2) vs tinyint(1) - what is the difference?

...several mysql clients (navicat, sequel pro). It does not mean anything AT ALL! I ran a test, all above clients or even the command-line client seems to ignore this. But, display width is most important if you are using ZEROFILL option, for example your table has following 2 columns: A tinyint(2) ...
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“You are on a branch yet to be born” when adding git submodule

... I've verified all of these things. When I check out the desired repo to another directory, it has many files, and a master branch. The repo I am trying to add this one to as a submodule is on the master branch, has no obvious problems (sta...
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Eclipse: Set maximum line length for auto formatting?

... Note: Eclipse (Kepler, at least) very obnoxiously allows you to edit the built-in profile to your heart's content, only to stop you from saving it with an unobtrusive notification that you CAN'T edit built-in profiles, and must create a copy and edit that instead. ...
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Is it possible to read from a InputStream with a timeout?

Specifically, the problem is to write a method like this: 8 Answers 8 ...
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What is the difference between JSF, Servlet and JSP?

...r Pages) JSP is a Java view technology running on the server machine which allows you to write template text in client side languages (like HTML, CSS, JavaScript, ect.). JSP supports taglibs, which are backed by pieces of Java code that let you control the page flow or output dynamically. A well-kno...
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Get GPS location from the web browser

...egrated Google Maps, I need to fill the 'From' field of Google Maps dynamically. 6 Answers ...
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Prevent linebreak after

...y:inline; OR float:left; OR display:inline-block; -- Might not work on all browsers. What is the purpose of using a div here? I'd suggest a span, as it is an inline-level element, whereas a div is a block-level element. Do note that each option above will work differently. display:inline; w...
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Calling pylab.savefig without display in ipython

...tion between IPython and matplotlib.pylab in this regard. But, when I call pylab.savefig("test.png") the current figure get's displayed in addition to being saved in test.png . When automating the creation of a large set of plot files, this is often undesirable. Or in the situation that an in...