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select and update database record with a single queryset
...TE. If
the object’s primary key attribute is not set or if the UPDATE didn’t
update anything, Django executes an INSERT.
Ref.: https://docs.djangoproject.com/en/1.9/ref/models/instances/
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Can scrapy be used to scrape dynamic content from websites that are using AJAX?
...he HTTP method is "Post"):
And the content of response, which is a JSON file:
Which presents all the information I'm looking for.
From now, I must implement all this knowledge in scrapy. Let's define the spider for this purpose:
class spider(BaseSpider):
name = 'RubiGuesst'
start_url...
How do I clone a single branch in Git?
...:
test_expect_success 'single branch clone' '
git clone --single-branch "file://$(pwd)/." singlebranch
'
Tobu comments that:
This is implicit when doing a shallow clone.
This makes git clone --depth 1 the easiest way to save bandwidth.
And since Git 1.9.0 (February 2014), shallow clones support...
Trigger change() event when setting 's value with val() function
...n(){
if($('#selectField').val() == 'N'){
$('#secondaryInput').hide();
} else {
$('#secondaryInput').show();
}
});
Then I take the value from the database (this is used on a form for both new input and editing existing records), set it as the selected value, and add the piec...
Cross Browser Flash Detection in Javascript
...ought to to get you started:
Make sure you have included the swfobject.js file (get it here):
<script type="text/javascript" src="swfobject.js"></script>
Then use it like so:
if(swfobject.hasFlashPlayerVersion("9.0.115"))
{
alert("You have the minimum required flash version (or ...
Python: How to get stdout after running os.system? [duplicate]
... Windows solution. Using IDLE with Python 2.7.5, When I run this code from file Expts.py:
import subprocess
r = subprocess.check_output('cmd.exe dir',shell=False)
print r
...in the Python Shell, I ONLY get the output corresponding to "cmd.exe"; the "dir" part is ignored. HOWEVER, when I add a sw...
HTML button calling an MVC Controller and Action method
... I still got an "unterminated string constant" error in the IDE which still didn't render properly. I had to use solution from here: stackoverflow.com/a/16420877/410937
– atconway
Jan 31 '14 at 14:47
...
Using jquery to get all checked checkboxes with a certain class name
...a single form or div or table, but you can always select all checkboxes inside a specific element. For example:
<ul id="selective">
<li><input type="checkbox" value="..." /></li>
<li><input type="checkbox" value="..." /></li>
<li><input type="ch...
DBMS_OUTPUT.PUT_LINE not printing
...
even its not working .. Please provide any other alternative
– Lova Chittumuri
Aug 10 '19 at 18:12
...
How to read a single character from the user?
...ef __call__(self):
import sys, tty, termios
fd = sys.stdin.fileno()
old_settings = termios.tcgetattr(fd)
try:
tty.setraw(sys.stdin.fileno())
ch = sys.stdin.read(1)
finally:
termios.tcsetattr(fd, termios.TCSADRAIN, old_settin...