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CASCADE DELETE just once
I have a Postgresql database on which I want to do a few cascading deletes. However, the tables aren't set up with the ON DELETE CASCADE rule. Is there any way I can perform a delete and tell Postgresql to cascade it just this once? Something equivalent to
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How do you get centered content using Twitter Bootstrap?
...moves it to the center, but I want to center it in a responsive way. Can I do auto padding somehow?
– ATSiem
Apr 19 '12 at 15:38
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One line ftp server in python
Is it possible to have a one line command in python to do a simple ftp server? I'd like to be able to do this as quick and temporary way to transfer files to a linux box without having to install a ftp server. Preferably a way using built in python libraries so there's nothing extra to install.
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Super-simple example of C# observer/observable with delegates
...rvable
{
public event EventHandler SomethingHappened;
public void DoSomething() =>
SomethingHappened?.Invoke(this, EventArgs.Empty);
}
class Observer
{
public void HandleEvent(object sender, EventArgs args)
{
Console.WriteLine("Something happened to " + sender);
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Converting ISO 8601-compliant String to java.util.Date
...your question:
Some time zones are not full hours off UTC, so the string does not necessarily end with ":00".
ISO8601 allows only the number of hours to be included in the time zone, so "+01" is equivalent to "+01:00"
ISO8601 allows the usage of "Z" to indicate UTC instead of "+00:00".
The easie...
Purpose of memory alignment
Admittedly I don't get it. Say you have a memory with a memory word of length of 1 byte. Why can't you access a 4 byte long variable in a single memory access on an unaligned address(i.e. not divisible by 4), as it's the case with aligned addresses?
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Accessing dict keys like an attribute?
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The best way to do this is:
class AttrDict(dict):
def __init__(self, *args, **kwargs):
super(AttrDict, self).__init__(*args, **kwargs)
self.__dict__ = self
Some pros:
It actually works!
No dictionary class methods are s...
How to detect Adblock on my website?
...g them to turn it off in order to support the project, like this website does.
44 Answers
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How to find if a given key exists in a C++ std::map
I'm trying to check if a given key is in a map and somewhat can't do it:
14 Answers
14...
“Application tried to present modally an active controller”?
...ng a NSInvalidArgumentException with this message on an app which wasn't doing this before.
8 Answers
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