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Should ol/ul be inside or outside?
...e not legally allowed inside p elements.
To see why, let's go to the spec! If you can get comfortable with the HTML spec, it will answer many of your questions and curiosities. You want to know if an ol can live inside a p. So…
4.5.1 The p element:
Categories: Flow content, Palpable content.
Con...
How does Python's super() work with multiple inheritance?
...y are listed left to right. In this case, we are looking for __init__. So, if you define
class Third(First, Second):
...
Python will start by looking at First, and, if First doesn't have the attribute, then it will look at Second.
This situation becomes more complex when inheritance starts c...
Disable/enable an input with jQuery?
...tual DOM object and is probably a little faster than the other two options if you are only dealing with one element:
// assuming an event handler thus 'this'
this.disabled = true;
The advantage to using the .prop() or .attr() methods is that you can set the property for a bunch of selected items....
Hour from DateTime? in 24 hours format
... do is to obtain the hour but show it in 24 hours format.
For example:
If the hour is 2:20:23 p.m. i want to convert it to 14:20 and that's it.
...
How can I find out the total physical memory (RAM) of my linux box suitable to be parsed by a shell
...
If you're interested in the physical RAM, use the command dmidecode. It gives you a lot more information than just that, but depending on your use case, you might also want to know if the 8G in the system come from 2x4GB stic...
Disable migrations when running unit tests in Django 1.7
...ound, posted by Bernie Sumption to the Django developers mailing list:
If makemigrations has not yet been run, the "migrate" command treats
an app as unmigrated, and creates tables directly from the models just
like syncdb did in 1.6. I defined a new settings module just for unit
tests cal...
Do I have to guard against SQL injection if I used a dropdown?
...ou expect.
$possibleOptions = array('All', 'Large', 'Medium', 'Small');
if(in_array($_POST['size'], $possibleOptions)) {
// Expected
} else {
// Not Expected
}
Then use mysqli_* if you are using a version of php >= 5.3.0 which you should be, to save your result. If used correctly thi...
Git remote branch deleted, but still it appears in 'branch -a'
...ll such stale branches. That's probably what you'd want in most cases, but if you want to just remove that particular remote-tracking branch, you should do:
git branch -d -r origin/coolbranch
(The -r is easy to forget...)
-r in this case will "List or delete (if used with -d) the remote-tracking...
Canvas is stretched when using CSS but normal with “width” / “height” properties
...size of the element's bitmap: width and height. These attributes, when specified, must have values that are valid non-negative integers. The rules for parsing non-negative integers must be used to obtain their numeric values. If an attribute is missing, or if parsing its value returns an error, then...
Creating a zero-filled pandas data frame
...
Note that you may run into int/float issue if you will be doing something like d.set_value(params) after initializing d to contain 0's. An easy fix is: d = pd.DataFrame(0.0, index=np.arange(len(data)), columns=feature_list).
– ximiki
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