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How to thoroughly purge and reinstall postgresql on ubuntu? [closed]
...tc/group in favour of safer userdel and groupdel. Also, rather than using dselect for hand-selection of packages, use an apt wildcard to match them reliably.
– Craig Ringer
Aug 9 '12 at 1:15
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Is there a NumPy function to return the first index of something in an array?
...st element. Note also that where and nonzero return arrays, so you need to select the first element to get the index.
In [71]: np.argmax(a==2)
Out[71]: 2
In [72]: np.where(a==2)
Out[72]: (array([2], dtype=int64),)
In [73]: np.nonzero(a==2)
Out[73]: (array([2], dtype=int64),)
Time comparison
Ju...
How to get the size of a JavaScript object?
...t, run the task you suspect is leaking, take a new quick Heap Snapshot and select the comparison view at the bottom. It makes obvious what objects were created between the two snapshots.
– Johnride
Mar 28 '14 at 15:13
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How to restart a rails server on Heroku?
...ple web processes or worker processes, each labeled with a number, you can selectively restart one of them:
heroku ps:restart web.2 --app app_name
heroku ps:restart worker.3 --app app_name
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What is the 'page lifecycle' of an ASP.NET MVC page, compared to ASP.NET WebForms?
... issues of webform controls.
You can use jquery to hook into the dropdown selection on the client side and submit standard or ajax style requests. Those request can return new pages, redirects, html fragments or even JSON data that can be used to update the existing page.
The asp.net Session can b...
How do I specify unique constraint for multiple columns in MySQL?
... For those people using MySQL workbench: go to the Indexes tab and select UNIQUE as your type. Give your index a name and check the appropriate columns under the section "Index Columns"
– Pakman
Jun 3 '13 at 20:42
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How do you specify a different port number in SQL Management Studio?
... SQL Server Configuration Manager. Go to Sql Native Client Configuration, Select Client Protocols, Right Click on TCP/IP and set your default port there.
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Which MIME type to use for a binary file that's specific to my program?
...simply want to make you project a more 'professional looking' go ahead and select a unique mimetype for you to use,
it would make no difference since the operation-system would have no handle to open it with (some browsers has few bundled-plugins, for example new Google Chrome versions has a built-i...
How to decide font color in white or black depending on background color?
... @mwieczorek people who rely on user-generated content or randomly selected colors do.
– Marc Plano-Lesay
Sep 15 '18 at 12:54
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How to go to an error using only the keyboard in Eclipse?
...+Q then press X. It will open the "Problems" window. Now use ↑ or ↓ to select the error/warning and press Enter to go to it.
I know it isn't simple as Crtl+. but it works for a whole project.
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