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Most efficient way to determine if a Lua table is empty (contains no entries)?
...e a habit of comparing to nil instead in the future, just as a good habit. And yes, I've been binding common utility functions to local vars for speed. Thanks for the input though.
– Amber
Aug 10 '09 at 1:41
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How to enable mod_rewrite for Apache 2.2
...
In order to use mod_rewrite you can type the following command in the terminal:
sudo a2enmod rewrite
Restart apache2 after
sudo /etc/init.d/apache2 restart
or
sudo service apache2 restart
or as per new unified System Control Way
sudo systemctl restart apache2
Then, if you...
Synthetic Class in Java
... are analyzing a class that you don't know anything about (via reflection) and need to know very specific and low-level things about that class, you may end up using Java reflection methods that have to do with synthetic classes. The only "use" here is get more information about the class in order t...
How to set the focus for a particular field in a Bootstrap modal, once it appears
...his
Here is the old DEMO:
EDIT:
(Here is a working DEMO with Bootstrap 3 and jQuery 1.8.3)
$(document).ready(function() {
$('#modal-content').modal('show');
$('#modal-content').on('shown', function() {
$("#txtname").focus();
})
});
Starting bootstrap 3 need to use shown.bs.m...
Debug code-first Entity Framework migration codes
I'm using Entity Framework code first in my website and I'm just wondering if there is any way to debug the migration codes. You know, like setting breakpoints and stuff like this.
...
How to generate random number in Bash?
How to generate a random number within a range in Bash?
17 Answers
17
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How to print a dictionary's key?
...You have the keys() method, which gives you a python list of all the keys, and you have the iteritems() method, which returns key-value pairs, so
for key, value in mydic.iteritems() :
print key, value
Python 3 version:
for key, value in mydic.items() :
print (key, value)
So you have a ...
How can I strip HTML tags from a string in ASP.NET?
...malize the string afterwards, replacing:
[\s\r\n]+
with a single space, and trimming the result. Optionally replace any HTML character entities back to the actual characters.
Note:
There is a limitation: HTML and XML allow > in attribute values. This solution will return broken markup when...
How to get value of selected radio button?
...d answer you can check which of the radio buttons in the group is selected and get only the value of the selected (checked) one.
– Broco
Sep 4 '14 at 18:21
4
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How to select a single field for all documents in a MongoDB collection?
... MongoDB, I have a student collection with 10 records having fields name and roll . One record of this collection is:
1...