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How to check Django version
... is as an executable command:
$ python -c "import django; print(django.get_version())"
2.0
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C# 4.0 optional out/ref arguments
...lify:
// new overload
public bool SomeMethod()
{
return SomeMethod(out _); // declare out as an inline discard variable
}
(Thanks @Oskar / @Reiner for pointing this out.)
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How to set the current working directory? [duplicate]
...
Perhaps this is what you are looking for:
import os
os.chdir(default_path)
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How to check if click event is already bound - JQuery
...this bug for details.) It is possible to access the same data with jQuery._data(elem, 'events'), an internal data structure, which is undocumented and therefore not 100% guaranteed to remain stable. This shouldn't, however, be a problem, and the relevant line of the plugin code above can be change...
jQuery: serialize() form and other parameters
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pass value of parameter like this
data : $('#form_id').serialize() + "&parameter1=value1&parameter2=value2"
and so on.
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How do you find the row count for all your tables in Postgres
...t executes. You could automate this to run against every table in the database, but you probably don't need that level of accuracy or want to wait that long.
The second approach notes that the statistics collector tracks roughly how many rows are "live" (not deleted or obsoleted by later updates) ...
What is the difference between “ is None ” and “ ==None ”
...
class Foo:
def __eq__(self,other):
return True
foo=Foo()
print(foo==None)
# True
print(foo is None)
# False
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Find UNC path of a network drive?
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The answer is a simple PowerShell one-liner:
Get-WmiObject Win32_NetworkConnection | ft "RemoteName","LocalName" -A
If you only want to pull the UNC for one particular drive, add a where statement:
Get-WmiObject Win32_NetworkConnection | where -Property 'LocalName' -eq 'Z:' | ft "Remo...
Why are Subjects not recommended in .NET Reactive Extensions?
...c class MessageListener
{
private readonly IObservable<IMessage> _messages;
private readonly IScheduler _scheduler;
public MessageListener()
{
_scheduler = new EventLoopScheduler();
var messages = ListenToMessages()
.Subscri...
SQL selecting rows by most recent date
... you would get an extra row returned. Which is the desired result based on his requirements.
– Carlton Jenke
Oct 9 '08 at 21:18
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