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What is the overhead of creating a new HttpClient per call in a WebAPI client?
...nt?
Is it better to have one instance of the HttpClient for multiple calls?
7 Answers
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How to dynamically compose an OR query filter in Django?
...o:
list = [1, 2, 3]
# it gets a bit more complicated if we want to dynamically build
# OR queries with dynamic/unknown db field keys, let's say with a list
# of db fields that can change like the following
# list_with_strings = ['dbfield1', 'dbfield2', 'dbfield3']
# init our q objects variable to ...
How to get Bitmap from an Uri?
...}
catch (Exception e)
{
e.printStackTrace();
}
finally {
if (bis != null)
{
try
{
bis.close();
}
catch (IOException e)
{
e.printStackTrace();
}
...
Is there any Rails function to check if a partial exists?
..., I'm using the following in my Rails 3/3.1 projects:
lookup_context.find_all('posts/_form').any?
The advantage over other solutions I've seen is that this will look in all view paths instead of just your rails root. This is important to me as I have a lot of rails engines.
This also works in R...
What Makes a Good Unit Test? [closed]
...ng lots of automated tests and that you also have run into some common pitfalls when unit testing.
18 Answers
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Execute the setInterval function without delay the first time
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It's simplest to just call the function yourself directly the first time:
foo();
setInterval(foo, delay);
However there are good reasons to avoid setInterval - in particular in some circumstances a whole load of setInterval events can arrive imm...
Render HTML to PDF in Django site
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Try the solution from Reportlab.
Download it and install it as usual with python setup.py install
You will also need to install the following modules: xhtml2pdf, html5lib, pypdf with easy_install.
Here is an usage example:
First define this function:
import cStringIO as Str...
What is the difference between SAX and DOM?
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+1 - to clarify: use a DOM parser with smaller files that fit in RAM. Use a SAX parser for large files that wont.
– Richard H
Jul 26 '11 at 10:46
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Convert a PHP object to an associative array
...e Typecasting with (array) and (object) works reliably and the same across all versions since PHP 4.3. See 3v4l.org/X6lhm. If you get a syntax error, you did something wrong.
– Gordon
Nov 30 '15 at 10:26
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jQuery get values of checked checkboxes into array
I am trying to get values of all checkboxes that are currently checked and store them into an array. Here is my code so far:
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