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Get all related Django model objects
...m surprised this workaround remained compatible with Django as long as it did.
– robbles
Mar 15 '17 at 17:53
4
...
Difference between break and continue statement
...n the loop.
This Code Explains Everything :
public static void main(String[] args) {
for(int i=0;i<10;i++)
{
if (i==4)
{
break;
}
System.out.print(i+"\t");
}
System.out.println();
for(int i=0;i<10;i++)
{
if (i...
Can Android do peer-to-peer ad-hoc networking?
Is it possible to set up Android in ad-hoc peer-to-peer wifi mode? For example, I would like to have one phone broadcast a message, and have all peers in the network receive the broadcast, without having a server. I would like to use wifi since bluetooth range is more limited.
...
Using module 'subprocess' with timeout
...put = check_output(cmd, stderr=STDOUT, timeout=seconds)
output is a byte string that contains command's merged stdout, stderr data.
check_output raises CalledProcessError on non-zero exit status as specified in the question's text unlike proc.communicate() method.
I've removed shell=True becaus...
Definitive way to trigger keypress events with jQuery
...
This did not work for me with a jQuery UI slider. I had to set e.keyCode like OreiA's answer below.
– crizCraig
Feb 5 '11 at 20:35
...
Select values from XML field in SQL Server 2008
...ome of these suggestions confusing. Whenever I used value with [1] in the string, it would only retrieved the first value. And some suggestions recommended using cross apply which (in my tests) just brought back far too much data.
So, here's my simple example of how you'd create an xml object, th...
How to check iOS version?
...if UIPopoverController is available on the current device using NSClassFromString:
if (NSClassFromString(@"UIPopoverController")) {
// Do something
}
For weakly linked classes, it is safe to message the class, directly. Notably, this works for frameworks that aren't explicitly linked as "Requ...
Is it safe to push_back an element from the same vector?
... a copy of t. Requires: T shall be CopyInsertable into X. Container basic_string, deque, list, vector
So even though it's not exactly trivial, the implementation must guarantee it will not invalidate the reference when doing the push_back.
...
How to ignore HTML element from tabindex?
...chnically tabIndex only supports 0 -32767 according to linkW3. So when I did this; I used 500. Hackish; but worked.
– Flea
Mar 23 '12 at 20:34
38
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Virtual member call in a constructor
...tual void DoSomething()
{
}
}
class Child : Parent
{
private string foo;
public Child()
{
foo = "HELLO";
}
protected override void DoSomething()
{
Console.WriteLine(foo.ToLower()); //NullReferenceException!?!
}
}
The answer is that in fact...