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How to create user for a db in postgresql? [closed]
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From CLI:
$ su - postgres
$ psql template1
template1=# CREATE USER tester WITH PASSWORD 'test_password';
template1=# GRANT ALL PRIVILEGES ON DATABASE "test_database" to tester;
template1=# \q
PHP (as tested on localhost, it works as expected):
$connString = 'port=5432 dbname=test_databa...
Testing for empty or nil-value string [duplicate]
I'm trying to set a variable conditionally in Ruby. I need to set it if the variable is nil or empty (0 length string). I've come up with the following:
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While loop to test if a file exists in bash
...at does certain changes on a txt file only if it does exist, however this test loop doesn't work, I wonder why?
Thank you!
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Make a DIV fill an entire table cell
...lowing code works on IE 8, IE 8's IE 7 compatibility mode, and Chrome (not tested elsewhere):
<table style="width:100px"> <!-- Not actually necessary; just makes the example text shorter -->
<tr><td>test</td><td>test</td></tr>
<tr>
&...
What exactly does the “u” do? “git push -u origin master” vs “git push origin master”
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To see the difference, let's use a new empty branch:
$ git checkout -b test
First, we push without -u:
$ git push origin test
$ git pull
You asked me to pull without telling me which branch you
want to merge with, and 'branch.test.merge' in
your configuration file does not tell me, either. Pl...
How can I test an AngularJS service from the console?
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@JustGoscha Here is what I did to test. I went to docs.angularjs.org/api in chrome. Opened the console. Typed the code in section a of my answer and then typed the code in section b.. You should see Hello World.. Can you attempt that ?
–...
In Python, if I return inside a “with” block, will the file still close?
... experiment to show the guarantee you get from the finally keywrod is: def test(): try: return True; finally: return False.
– Ehsan Kia
Jul 11 '14 at 19:57
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App Inventor 2 扩展 · App Inventor 2 中文网
...ample component
3.2 Convert your sample component to an extension
3.2.2 Test your extension
3.3 Details on creating extensions
3.3.1 When you start to build
3.3.2 Requesting permissions for the extensions you define
3.2.3 Using external libraries
3.2.4 Choosing a package name for your extens...
Using reCAPTCHA on localhost
...isappear. Further, and equally important, if you're like me and you setup test domains in your local/development environment by placing entries into the operating system's "hosts" file, you will need to add those "fake" domains to the allowed domains for the reCAPTCHA account in question to resolve...