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Adding 'serial' to existing column in Postgres
I have a small table (~30 rows) in my Postgres 9.0 database with an integer ID field (the primary key) which currently contains unique sequential integers starting at 1, but which was not created using the 'serial' keyword.
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How to install Android SDK Build Tools on the command line?
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edited Aug 24 '16 at 0:54
trygub
8788 bronze badges
answered Oct 17 '13 at 0:24
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Count occurrences of a char in plain text file
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edited Oct 21 '09 at 21:45
answered Oct 21 '09 at 21:37
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Set cURL to use local virtual hosts
...icitly for this: --resolve
Instead of curl -H 'Host: yada.com' http://127.0.0.1/something
use curl --resolve 'yada.com:80:127.0.0.1' http://yada.com/something
What's the difference, you ask?
Among others, this works with HTTPS. Assuming your local server has a certificate for yada.com, the firs...
Advances social tools app with cool UI - Koded Apps - Kodular Community
... (prefers-color-scheme: light) {
:root {
--primary: #000000;
--secondary: #ffffff;
--tertiary: #4527a0;
--quaternary: #4527a0;
--highlight: #a18ddf;
--success: #1ca551;
}
}
/* then deal with ...
Making heatmap from pandas DataFrame
...5, 4)), index=index, columns=columns)
plt.pcolor(df)
plt.yticks(np.arange(0.5, len(df.index), 1), df.index)
plt.xticks(np.arange(0.5, len(df.columns), 1), df.columns)
plt.show()
This gives:
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Is there a JavaScript strcmp()?
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answered Jul 24 '09 at 18:38
newacctnewacct
106k2626 gold badges143143 silver badges214214 bronze badges
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Is there a difference between x++ and ++x in java?
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answered Jul 7 '09 at 21:09
Emil HEmil H
37.1k1010 gold badges7171 silver badges9494 bronze badges
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Sort array of objects by single key with date value
... use Array.sort.
Here's an example:
var arr = [{
"updated_at": "2012-01-01T06:25:24Z",
"foo": "bar"
},
{
"updated_at": "2012-01-09T11:25:13Z",
"foo": "bar"
},
{
"updated_at": "2012-01-05T04:13:24Z",
"foo": "bar"
}
]
arr.sort(function(a, b) {
v...