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Postgres and Indexes on Foreign Keys and Primary Keys
...ndexes on primary keys and unique constraints, but not on the referencing side of foreign key relationships.
When Pg creates an implicit index it will emit a NOTICE-level message that you can see in psql and/or the system logs, so you can see when it happens. Automatically created indexes are visi...
Delete ActionLink with confirm dialog
... this overload:
<%= Html.ActionLink(
"Delete",
"Delete",
new { id = item.storyId },
new { onclick = "return confirm('Are you sure you wish to delete this article?');" })
%>
share
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JavaScript OR (||) variable assignment explanation
...eature, and I believe it makes code harder to read.
var messages = 0;
var newMessagesText = "You have " + messages + " messages.";
var noNewMessagesText = "Sorry, you have no new messages.";
alert((messages && newMessagesText) || noNewMessagesText);
Inside the alert, we check if messages ...
How to enter command with password for git pull?
...really recommended as it would show your user/pass in a lot of places...
a new option is to use the credential helper. Note that credentials would be stored in clear text in your local config using standard credential helper. credential-helper with wincred can be also used on windows.
Usage exampl...
Why can't I use Docker CMD multiple times to run multiple services?
...lready mentioned it being runtime information and being overwritten by any new CMD.
– qkrijger
May 20 '14 at 8:36
add a comment
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Pass ruby script file to rails console
... you can use a similar pattern to run files inside the console: f=File.new('path/to/file') to run use: f.rewind; eval f.readlines.join("\n");
– semiomant
Jun 28 '13 at 14:08
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Is it bad practice to return from within a try catch finally block?
...l = function(e) {
var $elem = $('.new-login-left'),
docViewTop = $window.scrollTop(),
docViewBottom = docViewTop + $window.height(),
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How to convert a string to an integer in JavaScript?
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It might not be for newer browsers but radix is still required for backwards compatibility.
– Professor of programming
Jan 20 '17 at 14:21
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Set Page title using UI-Router
... page title changes before the URL hash changes, so the browser thinks the new title is for the old page. The back button history is then 1 page off. Wrapping the element.text(title) call in a $timeout worked for me. Editing the original post.
– jkjustjoshing
S...
Read the package name of an Android APK
I need to get the package name of an Android APK. I have tried to unzip the APK and read contents of AndroidManifest.xml , but seems it's not a text file.
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