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How can I check the size of a collection within a Django template?
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A list is considered to be False if it has no elements, so you can do something like this:
{% if mylist %}
<p>I have a list!</p>
{% else %}
<p>I don't have a list!</p>
{% endif %}
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How to generate Javadoc HTML files in Eclipse?
... var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
StackExchange.using("externalEditor", function() {
// Have to fire editor after snippets, if snippets enabled...
How can I disable editing cells in a WPF Datagrid?
I'm constructing a datagrid in Windows Presentation Foundation, and I have a problem. When a user double-clicks on a cell in my datagrid, the cell goes into edit mode. I want to prevent that. Instead I want users to be able to select the full row - not edit values in it.
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AngularJS $http, CORS and http authentication
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No you don't have to put credentials, You have to put headers on client side eg:
$http({
url: 'url of service',
method: "POST",
data: {test : name },
withCredentials: true,
headers: {
'Content-Type': 'application/json; charset=utf-8'
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How to add 10 days to current time in Rails
...wered May 26 '11 at 5:12
dj kaoridj kaori
10111 silver badge22 bronze badges
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Friend declaration in C++ - difference between public and private
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so I guess whoever told me that just didn't know what they were talking about. Thanks :)
– BIU
Jun 20 '11 at 6:54
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Where is Vagrant saving changes to the VM?
...t imports the base box which is located at ~/.vagrant.d/boxes/, like you said.
This is where the base boxes are kept. It uses it to start a VM from the clean state. When importing a VM, the responsibility of where to store data files and VM state is up to VirtualBox itself. This is a configurable lo...
R - Markdown avoiding package loading messages
... @Head results can be FALSE (which is an alias of results="hide") since knitr 1.16: github.com/yihui/knitr/issues/1360
– Yihui Xie
Aug 7 '18 at 4:46
add a comme...
AngularJS: disabling all form controls between submit and server response
...vil!!!) and query all elements as array (by class or attribute marker)
The ideas I had so far are:
2 Answers
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Escaping regex string
...acharacters in it.
A simplistic example, search any occurence of the provided string optionally followed by 's', and return the match object.
def simplistic_plural(word, text):
word_or_plural = re.escape(word) + 's?'
return re.match(word_or_plural, text)
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