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Whether a variable is undefined [duplicate]
...d' for an empty selection. It always returns an empty string (i.e. ""). .html() will return null if the element doesn't exist though.You need to do:
if(page_name != '')
For other variables that don't come from something like jQuery.val() you would do this though:
if(typeof page_name != 'undefi...
CodeIgniter activerecord, retrieve last insert id?
... dead, updated link: ellislab.com/codeigniter/user-guide/database/helpers.html
– womd
Feb 11 '14 at 11:16
I need to u...
How to Append in javascript? [duplicate]
...pt = document.createElement("script");
// Add script content
script.innerHTML = "...";
// Append
document.head.appendChild(script);
Or
document.body.appendChild(script);
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Do browsers send “\r\n” or “\n” or does it depend on the browser?
...o with the contents of a TEXTAREA. (See, for instance, this thread from an HTML working group about the issue.)
Here's a quote from the HTTP/1.1 spec about message headers:
The line terminator for message-header fields is the sequence CRLF. However, we recommend that applications, when parsing ...
How to run JUnit tests with Gradle?
...
For some reason the test runner doesn't tell you this, but it produces an HTML report in build/reports/tests/test/index.html.
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Redirect to external URI from ASP.NET MVC controller
...
Any thoughts on making this work with a local HTML file? Doesn't work: > return Redirect("C:/Users/Me/Documents/test.html");
– Steve Eggering
May 14 '18 at 19:19
...
What is the difference between PS1 and PROMPT_COMMAND
...om the GNU Bash doc page: http://www.gnu.org/software/bash/manual/bashref.html
PROMPT_COMMAND
If set, the value is interpreted as a command to execute before
the printing of each primary prompt ($PS1).
I never used it, but I could have used this back when I only had sh.
...
Effect of a Bitwise Operator on a Boolean in Java
... link to the section mentioned above: docs.oracle.com/javase/specs/jls/se7/html/…
– Andy Thomas
Jul 19 '12 at 20:36
...
android webview geolocation
...emember);
callback.invoke(origin, true, false);
}
}
In some cases, HTML5 require to use storage, you must enable some properties so that webview has full access to run normal.
// HTML5 API flags
webView.getSettings().setAppCacheEnabled(true);
webView.getSettings().setDatabaseEna...
SQL query to get all values a enum can have
...tions you can view this link postgresql.org/docs/8.3/static/functions-enum.html postgresql.org/docs/9.2/static/functions-array.html
– Bikal Basnet
Aug 25 '16 at 7:13
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