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ERROR: permission denied for sequence cities_id_seq using Postgres
I'm new at postgres (and at database info systems all in all). I ran following sql script on my database:
4 Answers
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Moving from CVS to Git: $Id$ equivalent?
...through a bunch of questions asking about simple source code control tools and Git seemed like a reasonable choice. I have it up and running, and it works well so far. One aspect that I like about CVS is the automatic incrementation of a version number.
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How to start nginx via different port(other than 80)
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You have to go to the /etc/nginx/sites-enabled/ and if this is the default configuration, then there should be a file by name: default.
Edit that file by defining your desired port; in the snippet below, we are serving the Nginx instance on port 81.
server {
listen 8...
Undo git reset --hard with uncommitted files in the staging area
...tupidly did git reset --hard , but before that I've done only get add . and didn't do git commit . Please help! Here is my log:
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Clone contents of a GitHub repository (without the folder itself)
...en I git clone (git@github:me/name.git...) I get a folder called name/ and inside name I have my contents... How do I get JUST the contents?
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SVG fill color transparency / alpha?
...attribute; fill-opacity: This attribute takes a decimal number between 0.0 and 1.0, inclusive; where 0.0 is completely transparent.
For example:
<rect ... fill="#044B94" fill-opacity="0.4"/>
Additionally you have the following:
stroke-opacity attribute for the stroke
opacity for the enti...
How to free memory in Java?
...n Java, similar to C's free() function? Or is setting the object to null and relying on GC the only option?
13 Answers
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How to correctly save instance state of Fragments in back stack?
.... In the fragment, save instance state by overriding onSaveInstanceState() and restore in onActivityCreated():
class MyFragment extends Fragment {
@Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
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Spring Test & Security: How to mock authentication?
...ntrollers are properly secured. Just in case someone changes things around and accidentally removes security settings.
7 A...
Add column with number of days between dates in DataFrame pandas
I want to subtract dates in 'A' from dates in 'B' and add a new column with the difference.
4 Answers
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