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Rails auto-assigning id that already exists
...d_seq', (SELECT max(id) FROM company));
I am guessing at your sequence nam>me m> "company_id_seq", table nam>me m> "company", and column nam>me m> "id" ... please replace them with the correct ones. You can get the sequence nam>me m> with SELECT pg_get_serial_sequence('tablenam>me m>', 'columnam>me m>'); or look at the table d...
image.onload event and browser cache
...aded");
}
img.src = "img.jpg";
Fiddle - tested on latest Firefox and Chrom>me m> releases.
You can also use the answer in this post, which I adapted for a single dynamically generated image:
var img = new Image();
// 'load' event
$(img).on('load', function() {
alert("image is loaded");
});
img.src ...
Importing from a relative path in Python
...per relative imports, where you can avoid doing anything hacky. With this m>me m>thod, you know you are getting a relative import rather than an absolute import. The '..' m>me m>ans, go to the directory above m>me m>:
from ..Common import Common
As a caveat, this will only work if you run your python as a mod...
How to check if current thread is not main thread
...
add a comm>me m>nt
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125
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Move branch pointer to different commit without checkout
...;new commit>" refs/heads/<branch> <commit>
where -m adds a m>me m>ssage to the reflog for the branch.
The general form is
git update-ref -m "reset: Reset <branch> to <new commit>" <ref> <commit>
You can pick nits about the reflog m>me m>ssage if you like - I believe th...
How to write Unicode characters to the console?
...OutputEncoding = System.Text.Encoding.UTF8;
(MSDN link to supporting docum>me m>ntation.)
And here's a little console test app you may find handy:
C#
using System;
using System.Text;
public static class ConsoleOutputTest {
public static void Main() {
Console.OutputEncoding = System.Text...
JavaScript function to add X months to a date
...the 31st day of most months. For example, Oct 31 2011 + 1 month using this m>me m>thod is Dec 01 2011 using Javascript's standard Date object.
– tad
Sep 21 '11 at 16:37
6
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rejected master -> master (non-fast-forward)
...
As the error m>me m>ssage says: git pull before you try to git push. Apparently your local branch is out of sync with your tracking branch.
Depending on project rules and your workflow you might also want to use git pull --rebase.
...
Output array to CSV in Ruby
...h to read a CSV file into an array with Ruby but I can't find any good docum>me m>ntation on how to write an array into a CSV file. Can anyone tell m>me m> how to do this?
...
ng-options with simple array init
... answered Aug 13 '13 at 6:34
Jam>me m>s DaviesJam>me m>s Davies
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